Latest Jobs from Physics Today

Livermore, California, We are excited to offer an opportunity for a Postdoctoral Researcher to conduct research in cloud microphysics modeling and aerosol-cloud interactions in atmospheric simulations at large-eddy simulation scales. Research will entail model development in a new exascale atmospheric code to represent cloud microphysics in a Lagrangian framework and interactions between aerosol particles and clouds. Simulation results will be compared to observations and experimental data. You will work within a multidisciplinary team of scientists, engineers, programmers, and project managers to develop, implement, and apply these modeling capabilities in a state-of-the art atmospheric model with GPU parallelization, which will then be used to explore aerosol-cloud interactions in simulations of transport and dispersion and also cloud processes for climate science applications. This position is in the Atmospheric, Earth & Energy Division, Atmospheric Science Research and Applications Group. You Will Develop numerical methods and physics parameterizations appropriate for modeling the microphysical processes of clouds in the atmosphere and cloud interactions with aerosols. Implement modules into a state-of-the-art C++ based multiscale environmental solver with adaptive mesh refinement. Conduct research in the physics of aerosol-cloud interactions and cloud processes. Conduct research in multiscale atmospheric simulation and the transport of hazardous materials. Contribute to and actively participate in the conception, design, and execution of code physics development and scientific inquiry. Work with other experts in a large team to facilitate synergistic model development and high-impact science. Organize, analyze, and present data from research in journal publications and at professional conferences. Pursue independent (but complementary) research interests of your choosing. Interact with a broad spectrum of scientists internally and externally to the Laboratory. Perform other duties as assigned. PhD in atmospheric science, meteorology, engineering, nuclear science, or similar field. Experience with one or more of the following areas: numerical simulation methods for atmospheric modeling, cloud or aerosol microphysics, atmospheric transport and dispersion, or advanced scientific programming in C++ Demonstrated ability to develop independent research pathways as demonstrated through publication of peer-reviewed literature. Demonstrated proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information. Demonstrated initiative and interpersonal skills and ability to work in a collaborative, multidisciplinary team environment. Qualifications We Desire Experience with developing cloud or aerosol microphysics models. Experience with Lagrangian models for cloud or aerosol microphysics or transport and dispersion. Experience with multiscale, urban, or large-eddy simulation scale atmospheric modeling. Experience with adaptive mesh refinement. Experience with GPU programming.

Livermore, California, We have an opening for a Division Leader (DL) to provide leadership, oversight, and management of the Atmospheric, Earth and Energy Division (AEED). Staff in the division support the Laboratory's Global Security programs including nonproliferation, energy security, and nuclear counterterrorism, as well as programs funded by the DOE Office of Science and various non-DOE sponsors, including the State of California and industrial sponsors. The research activities of the Division include atmospheric science, climate and carbon cycle research, seismology, hydrology, geoscience, environmental science, center for accelerator mass spectrometry (CAMS), and nuclear energy research. You will oversee an estimated ~$38M of programs and projects, including sponsored research, institutionally supported activities, and Laboratory Directed Research and Development (LDRD) projects. This position is in the Principal Associate Director's Office within the Physical and Life Sciences (PLS) Directorate. You will Provide overall leadership, direction, and scientific and technical oversight to the Atmospheric, Earth and Energy Division to ensure an effective approach to recruiting and hiring high quality scientific staff, and training and developing the existing staff. Articulate the missions and develop the strategic plan for the Division that defines its core capabilities and future scientific directions; actively engage with LLNL discipline directorates and programs to deepen partnerships and ensure the synergy and complementarity of research activities. Manage research and development activities in the Division in multiple research areas and ensure the creation, maintenance, and enhancement of underlying core competencies. Oversee performance management and evaluation of all Division staff. This includes ongoing training and career development activities, yearly performance appraisals, ranking, and salary management. Oversee research commitments, program resources and multiple budgets including DOE, external programs, and internal science funding, ensuring all Laboratory and DOE fiscal policies and practices are followed. Develop business plans for program development and identify Divisional staffing needs for current and future Laboratory programs, collaborating with leaders of other LLNL organizations. Establish and enhance effective partnerships and directorate level interactions with sponsors of AEED programs; foster integration with relevant national and international scientific organizations and their activities, including workshop and conference sponsorship and major interactions and collaborations with universities, national labs and pertinent AEED science program sponsors at other DOE laboratories. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD in a scientific discipline relevant to Atmospheric, Earth, and Energy Sciences (AEED) research or a related field, or the equivalent combination of education and related experience, with technical expertise in one or more areas of AEED. Record of scientific creativity, achievement, and leadership, as documented in publications and professional recognition; experience leading DOE and/or DOD funded projects and understanding of DOE and/or DOD strategic roadmaps. Extensive experience developing, managing, and evaluating programs, projects, and personnel in a technically diverse organization. Ability to lead, motivate, delegate effectively and build large complex interdisciplinary teams to work toward programmatic and institutional goals. Team effectively with other Physical & Life Sciences (PLS) organizations to define and meet PLS strategic goals. Extensive supervisory experience, including experience in development and implementation of performance reviews, ranking, and salary management; demonstrated ability to set clear goals and expectations, and communicate them to customers and performers. Expert experience interacting and negotiating at a high level with internal and external organizations and constituencies, with extensive experience working effectively in a high-impact, high-visibility, multi-task environment and the ability to lead a management team contributing to strategic planning. Expert communication, facilitation, collaboration, and problem-solving skills necessary to direct an organization, lead innovative research and interact with management and customers/sponsors. Extensive experience managing financial activities and ensuring program and overhead accounts are properly maintained and overseen according to LLNL and DOE fiscal policies and practices, coupled with extensive knowledge of managerial practices and experience effectively balancing budgets and complex workforce priorities to achieve desired results. Qualifications We Desire Demonstrated understanding of a diverse laboratory and national research environment, and the ability to work within that environment towards long-range goals. Familiarity with programs and core capabilities relevant to AEED and sponsors.

Livermore, California, Global Security's Nonproliferation and Arms Control (NPAC) program has an opening for a Software Team Administrator for ongoing programmatic projects. The administrator will be primarily responsible for the administrative duties of the Nuclear Suppliers Group (NSG) Information Sharing System (NISS), the document repository and online meeting place for all (48) participating government representatives to the NSG. The Software Team Administrator will also perform similar duties for two other database systems managed by NPAC (e810 and SNAPP). The Software Team Administrator will act as the interface between Lawrence Livermore National Laboratory (LLNL)-operated NISS, the NSG sponsors from Department of Energy (DOE) and Department of State (DOS), and the NSG Point-of-Contact (POC) in Vienna. The candidate will provide NISS technical support to the high-level delegates from the NSG government agencies, as well as maintain a dialogue with the various NSG chairpersons to coordinate improvements. The administrator will also act as a liaison between NPAC's Licensing Analyst Team and the NPAC Software Team for SNAPP- and e810-related matters. This position will require international and domestic travel, up to 3 trips a year. In this role you will Act as the interface between LLNL NISS, the NSG sponsors from DOE and DOS, and the NSG POC, providing technical support in all NISS areas daily and during high-level Plenary and Consultative Group (CG) meetings, which occur three times a year. Update data, post information/documents, and assist the delegates with access to NISS via email or phone daily. Create and maintain accounts for NISS customers. Create and maintain corpus of NISS project and system documentation and training materials for both international system users and for internal processes. Coordinate event setup using registration tool; assist host country and NSG POC with registration by providing reports on a biweekly and/or weekly basis; post information regarding the Plenary on the NISS website. Assist POC with posting documents on the website for immediate access; set up an information table for participating governments (PGs); prepare a NISS activity and progress report; partner with the POC to ensure all final NSG Plenary documents are posted. Coordinate improvements needed on the NSG discussion forum to facilitate the work of the NSG Technical Experts Group. Research and order software, hardware, licenses, and all procurement for NPAC databases. Partner with NPAC developers to coordinate changes, fixes, and software testing for NISS, e810, and SNAPP. Provide administrative support to the e810 and SNAPP applications as needed. Perform other duties as assigned. This position requires an Active DOE Q clearance (or active Top-Secret clearance) with ability to obtain and maintain Sensitive Compartmented Information (SCI) access. Experience interfacing and maintaining good relationships with our NNSA and State Department sponsors along with diplomats around the world. Experience working with multiple customers and organizations simultaneously and within time constraints. Demonstrated effective interpersonal and communication skills necessary to interact with all levels of personnel. Experience using and supporting web and mobile applications. Demonstrated ability to resolve conflicting priorities and use independent judgment. Demonstrated ability to work independently in a multidisciplinary team environment with minimal guidance. Ability to travel internationally and domestically multiple times a year.

Livermore, California, We have an opening for an Academic Graduate Appointee to participate in projects supporting a variety of Laboratory missions. As part of a multi-disciplinary team within the Materials Science Division, you will perform solution-based synthesis and coating of nanoparticles and characterize materials to create reference databases. You will actively support and be expected to participate in the design, synthesis, characterization, processing, and integration of materials with flexible electronics. In this role you will: Synthesize polymer and ceramic electrolytes. Test solid electrolytes in solid state batteries. Perform 3D printing of different materials. Characterize nanoparticles and polymer films using a variety of microscopy techniques. Keep an accurate and detailed laboratory notebook; generate, organize, and analyze experimental data; and participate in research planning. Prepare progress reports and presentations to supervisor/mentor and project teams. Provide technical support to engineers and scientists in research and development projects. Perform other duties as assigned. BS/MS in Chemistry, Chemical Engineering, Materials Science, or in a related field. Experience performing wide-ranging experiments in a chemistry laboratory setting. Knowledge of general laboratory fundamentals and best practices. Proficient verbal and written communication skills necessary to communicate technical information effectively with technicians, peers, and managers. Experience operating PC and/or Macintosh computers to collect, analyze, and document scientific results. Interpersonal skills necessary to work in a collaborative research environment and interact with a diverse set of scientists, engineers, technicians, and other technical and administrative staff. Qualifications we desire: Experience in general chemistry laboratory settings. Experience in materials synthesis and characterization. Experience with Python programming for data analysis.

Livermore, California, We have multiple openings for Design Physicists who are exceptional physical scientists and engineers with backgrounds in fields such as plasma physics, radiation transport, atomic physics, nuclear physics, physical chemistry, condensed matter physics, computational physics, or hydrodynamics. Our national-security mission encompasses aspects of computational, theoretical, and experimental physics associated with the complex processes of nuclear explosives. Under limited direction, you will be responsible for advancing our understanding and developing methodologies for important national-security challenges. This position is in the Design Physics Division within the Strategic Deterrence Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Design and provide analysis of complex experiments exploring the physics of nuclear explosives. Simulate weapons phenomena and perform weapons assessment and certification tasks using physical models in computer codes. Participate in the assessment of foreign nuclear weapon systems. Present and disseminate research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Positively represent the Program and Laboratory demonstrating advanced verbal and written skills. Responsibilities may also include interacting with external stakeholders, both at NNSA and across the broader interagency, via offsite assignments. Develop expertise in interrelated fields of physics important to weapons assessment and certification. Lead independent work conducting applied physics research. Lead and mentor staff as part of a multidisciplinary team. Lead top quality research in relevant areas of physics and engineering. Problem-solve and make decisions necessary to independently address challenging problems. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Perform other duties as assigned. Additional job responsibilities at the SES.4 Level Assess the highly complex physics interactions that take place in a nuclear explosion. Design and provide in depth analysis of experiments exploring the physics of nuclear explosives. Define and implement stockpile stewardship for specific weapons systems. Simulate weapons phenomena and perform highly advanced weapons assessment and certification tasks using physical models in computer codes. Ability to maintain a U.S. DOE Q-level security which requires U.S. citizenship. Master's degree in physics, engineering, or related field or equivalent combination of education and related experience. Significant experience conducting applied physics research. Demonstrated record of completing outstanding research in relevant areas of physics and engineering. Significant experience with advanced computer-based design and analysis of experiments. Demonstrated aptitude for mastering new fields of physics; a record of creativity, physical insight, and breadth of understanding in advanced applications of complex physical processes. Significant experience in using advanced computational facilities for applied physics analysis. Advanced verbal and written communication and presentation skills necessary to author advanced technical and scientific reports, publications, invited papers, and to deliver scientific presentations. Significant experience working effectively independently and in a multidisciplinary, team-research environment. Demonstrated self-motivation and initiative in addressing challenging problems. Demonstrated ability/commitment to promote and value inclusion, diversity, equity and accountability principles in the workplace. Additional qualifications at the SES.4 Level Substantial experience presenting and disseminate highly advanced research results at scientific conferences and peer-reviewed publications, in open and classified environments, internal and external to LLNL. Substantial experience communicating results of work with external sponsors. Substantial experience developing innovative methods to expand knowledge of interrelated fields of highly advanced physics important to weapons assessment and certification. Substantial experience setting specific strategies and/or directing multi-disciplinary teams to achieve program goals. Qualifications We Desire Demonstrated subject matter expert knowledgeable of highly advanced concepts to include experience and ability to lead independent work conducting applied physics research in one or more of the following fields: plasma physics, radiation transport, atomic physics, nuclear physics, and hydrodynamics. Significant experience with highly advanced computer-based design and analysis of highly complex experiments. Extensive experience at the expert level in the development of principles, theories, concepts, and techniques relevant to applied physics research. Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Livermore, California, The Generative Unconstrained Intelligent Drug Engineering (GUIDE) project has an opening for a Senior bioengineer who is responsible for the efficient, smooth, and effective management of a team and simulation- and machine-learning-driven computational pipeline to redesign antibodies. GUIDE is an exciting and fast-paced program combining predictive computational modeling, machine learning, and experimental biology to develop medical countermeasures for the Department of Defense (DoD). The ideal candidate will have a breadth of protein engineering experience to manage a multi-disciplinary team with expertise in machine learning, molecular simulation, optimization, and structural and protein biology. The candidate will apply in-house computational tools in rigorous campaigns to redesign specific antibodies so that they are more potent, broadly neutralizing and/or developable as a prophylactic or therapeutic antibodies. The candidate will elicit highly technical information required to formulate antibody redesign goals; to facilitate the creation and joint understanding of these goals via a network of colleagues with differing technical expertise; to communicate and ensure ongoing consensus on these goals; and to continually guide alignment of effort to them. The candidate will manage all aspects of the computational redesign campaign, and, as such, requires deep technical expertise in protein and structural biology/bioegineering or machine learning and simulation tools, and a willingness to gain complementary expertise. The candidate needs to be comfortable with a flexible technical approach, willing to re-compose existing tools and workflows to execute the job at hand, and to lead others toward the execution of the work. The candidate must be team-oriented and have leadership experience and resilience to drive the work forward while maintaining a balanced view that serves the needs of the GUIDE program and its durable capabilities. You will Research, analyze, develop, document, and execute a technical plan for each antibody redesign campaign, including determination of appropriate data, tools, and team members to support the effort. Manage all aspects of the computational redesign campaign from start-to-finish. Actively lead project scientists and engineers in defining, planning, and formulating experimental, modeling, and simulation efforts for complex antibody redesign campaigns. Propose and implement advanced analysis methodologies, analyze data, and document research through presentations and peer-reviewed journal articles and contribute to identifying future research directions and proposals that will secure future projects in the field. Foster collaboration between computational and biological staff to improve the speed and accuracy of computational antibody redesign campaigns. Direct technical activities, as needed, in support of new capability development and technical problem solving. Establish ,maintain and ensure quality standards for project deliverables and guide project teams through antibody redesign processes. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance, which requires U.S. Citizenship. Advanced degree in Computational Biology, Machine Learning, Statistics, Computer Science, Mathematics or a related field. Demonstrated technical leadership in leading multidisciplinary teams in fields related to machine learning, such as mentorship or team management. Expert verbal and written communication skills as reflected in effective presentations at seminars, meetings and/or teaching lectures. Initiative and interpersonal skills with desire and ability to work in a collaborative, multidisciplinary team environment. Additional Qualifications We Desire A good-to-strong understanding of bioinformatics, protein biology, antibody development, and pathogen science, especially virology Experience with high-performance computing, GPU programming, parallel programming, cloud computing, and/or related methods including running numerical simulations of complex workflow

Livermore, California, NOTE: This is a flexible term position dependent on project funding. Current funding is expected for at least 3 years. The Bioscience and Biotechnology division within Physical and Life Sciences at LLNL is seeking to fill a position for a dedicated and hardworking Biosciences Technician. You will provide technical support in scientific instrument operation, sample preparation, analysis, experimental design & execution and data collection for pharmacology and toxicology applications including studies on the metabolism and disposition of drugs and toxicants using various analytical and biochemical techniques. You will be expected to work independently on defined research projects within a team of scientists. This position is in the Human Health Sciences group in the Biosciences and Biotechnology Division. You will: Follow standard laboratory protocols, perform metabolism and pharmacokinetic studies of drugs and toxicants using in vitro and in vivo techniques. Perform technical laboratory procedures, where attention to detail, effective troubleshooting skills and good judgment are required. Work with radiolabeled material and small laboratory animals Operate a variety of laboratory equipment used in drug/metabolite analysis including high-performance liquid chromatography (HPLC) and liquid chromatography-mass spectrometry (LC/MS). Participate in laboratory group meetings. Maintain an accurate and detailed laboratory notebook and maintain complete records of experiments. Maintain a clean and safe laboratory work area; perform daily maintenance, clean up, and workspace organization within assigned work areas. Additional duties at the SES.2 level: Analyze current process procedures and provide feedback for the optimization and improvement of workflow. Perform quality control and maintenance of laboratory equipment and robotics. Provide occasional training on laboratory procedures to other employees. Offer feedback, identify areas of improvement and efficiency on laboratory protocols. Attend and present technical status reports at meetings. Perform other duties as assigned. BA/BS degree in Toxicology, Biology, Biochemistry or related field, or equivalent combination of education and experience with minimal related experience. Basic knowledge of biology techniques and procedures and/or drug/toxin metabolic pathways Basic knowledge, experience and skills in Ultra/High Performance Liquid Chromatography and Mass spectrometry Ability to use scientific instruments and operate standard equipment in routine assignments. Willingness to work with small laboratory animals Ability to follow directions and standard written laboratory protocols. Sufficient Analytical and problem-solving skills to troubleshoot discrepancies in data results and make routine recommendations. Basic computer skills, including experience with standard software and database programs such Excel, Word, and PowerPoint. Proficient verbal and written communication and interpersonal skills to collaborate effectively in an interdisciplinary team environment and present and explain technical information. Work effectively in a fast-paced, multidisciplinary environment both independently and as a team with a diverse set of scientists, administrative, and other technical staff Effective problem-solving skills to implement solutions of limited complexity. Ability to work weekends. Qualifications at the SES.2 level: MA/MS in degree in Toxicology, Biology, Biochemistry or related field. Laboratory experience in biochemistry procedures including in vitro cellular assays. Familiarity with automatic high-throughput instrumentation (i.e. HPLC, LC/MS). Qualifications we desire: Experience working with acutely hazardous chemicals. Experience working with small experimental animals. Familiarity with automatic high-throughput instrumentation (i.e. HPLC, LC/MS). Ability to learn and develop new skills and techniques to keep pace with technological changes.

Livermore, California, We have openings for Computational Physicists to pursue challenges relevant to national security in the development of multi-physics simulation codes. Under consultative direction you will collaborate as part of an interdisciplinary code development team in advancing the state of the art in large-scale multi-physics simulation. The national security mission involves developing simulation capabilities for Stockpile Stewardship, nuclear counter-terrorism, conventional weapons, and high energy density physics experiments. The code development focus is on models and algorithms for use in high-performance computing on the latest large-scale parallel computing platforms. You will act as a scientific/technical leader as part of large projects/programs, contribute to the development of innovative principles and ideas, will play a role in attracting and retaining projects, programs, and funding due to degree of technical expertise. This position is in the Design Physics Division within the Strategic Deterrence Directorate. In this role, you will Develop algorithms and simulation tools to advance the state of the art in multi-physics simulation for a large variety of physical processes in 2D and 3D, where problems are not well defined. Independently develop and/or provide in-depth analysis of physics capabilities in support of a diverse user community using advanced simulation tools to solve highly complex problems that may not be well defined. Provide advanced technical support, informal training, and guidance to code users in the application of simulation tools developed. Collaborate in the development of simulation tools and direct/influence the strategy and technical direction of research activities as part of a multi-disciplinary team. Present and disseminate advanced research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Promote and support plans to promote diversity, equity, and inclusion within the program. Set broad technical strategies and/or direct multi-disciplinary teams to achieve program goals. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level clearance which requires U.S. citizenship. PhD in one or more of these specialized fields: physics, mathematics, engineering, or related field or the equivalent combination of education and related experience. Subject matter expert knowledge of highly advanced concepts to include experience and ability to lead independent work in one or more science disciplines, such as shock hydrodynamics, fluid mechanics, material behavior, particle transport, radiation transport, plasma physics. Significant experience evaluating algorithms and methods for their fitness for a particular task, as well as developing and implementing new numerical algorithms. Significant experience developing and supporting and/or leading multi-dimensional numerical simulation and demonstrated analytical and conceptual skills and creativity. Advanced programming experience/fluency in Python, FORTRAN, C and/or C++ and significant experience developing and implementing algorithms for massively-parallel computer architectures. Significant experience working independently and in a team-research environment effectively. Commitment to valuing diversity, equity, and inclusion principles in the workplace. Significant experience at the expert level in the development of principles, theories, concepts, and techniques relevant to applied physics research and experience converting theory into models or algorithms appropriate for numerical simulation. Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Livermore, California, We are seeking exceptional Physical Scientists and Engineers with backgrounds in fields such as plasma physics, radiation transport, atomic physics, nuclear physics, physical chemistry, condensed matter physics, computational physics, or hydrodynamics. Our national-security mission encompasses aspects of computational, theoretical, and experimental physics associated with the complex processes of nuclear explosives. Under limited direction, you will be responsible for advancing our understanding and developing methodologies for important national-security challenges. This position is in the Design Physics Division within the Strategic Deterrence Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Assess the complex physics interactions that take place in nuclear explosion. Design and provide analysis of experiments exploring the physics of nuclear explosives. Simulate weapons phenomena and perform weapons assessment and certification tasks using physical models in computer codes. Define and implement stockpile stewardship for specific weapons systems. Present and disseminate research results at scientific conferences and in peer-reviewed publications, in both open and classified environments, internal and external to LLNL. Responsibilities may also include interacting with external stakeholders, both at DOE/NNSA and across the broader interagency, as well as via offsite assignments. Develop expertise in interrelated fields of physics important to weapons assessment and certification. Travel minimally or substantially based on needs of projects. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Perform other duties as assigned. Additional job responsibilities at the SES.3 Level Independently develop, assess and provide in depth analysis of the complex physics interactions that take place in nuclear explosion where problems may not be well defined. Work as technical expert on multidisciplinary team. Guide the analysis and lead the design of experiments exploring the physics of nuclear explosives. Ability to obtain and maintain a U.S. DOE Q-level security clearance which requires U.S. Citizenship. PhD in physics, engineering, or a related field or equivalent level of demonstrated knowledge. Demonstrated record of completing outstanding research in relevant areas of physics and engineering. Experience with computer-based design and analysis of experiments. Demonstrated aptitude for mastering new fields of physics; a record of creativity, physical insight, and breadth of understanding in applications of complex physical processes. Experience in using advanced computational facilities for applied physics analysis and conducting applied physics research. Proficient verbal and written communication and presentation skills necessary to author technical and scientific reports, publications, invited papers, and to deliver scientific presentations. Experience working effectively independently and in a multidisciplinary, team-research environment. Demonstrated self-motivation and initiative in addressing challenging problems. Demonstrated ability/commitment to promote and value inclusion, diversity, equity, and accountability principles in the workplace. Additional qualifications at the SES.3 Level Advanced knowledge of physics, engineering, or a related field. Significant experience and ability to lead independent work conducting applied physics research. Demonstrated record of leading top quality research in relevant areas of physics and engineering. Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Livermore, California, We have multiple openings for Inertial Confinement Fusion Physicists to become part of the team working on the grand challenge of achieving thermonuclear ignition on the National Ignition Facility (NIF). This research requires working closely with individuals from other disciplines, such as laser experimentalists, laser scientists, target fabrication specialists and NIF Project scientists and engineers, as well as other target designers and theorists. These positions are in the Design Physics Division within the Strategic Deterrence (SD) Directorate. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Plan, analyze and interpret NIF laser experiments in support of the effort to achieve ignition on NIF principally with large computer codes, but also with analytic modeling. Perform computational and theoretical analyses that extrapolate our current understanding of ignition related physics to NIF and beyond. Successfully work as part of an interdisciplinary team on ICF project activities. Present research results in scientific meetings, peer reviews, and publications. Responsibilities may also include interacting with external stakeholders, both at NNSA and across the broader interagency, via offsite assignments. Promote and support plans to promote diversity, equity, and inclusion within the program. Perform other duties as assigned. Additional responsibilities at the SES.3 Level Independently develop and/or provide in depth analysis of NIF laser experiments in support of the effort to achieve ignition on NIF principally with large computer codes, but also with analytic modeling where complex problems may not be well defined. Work as technical expert on multidisciplinary team. Ability to maintain a U.S. DOE Q-level security which requires U.S. citizenship. PhD in physics or related field, or the equivalent combination of education and related experience. Comprehensive knowledge of plasma physics, hydrodynamics, or astrophysics. Experience in computational modeling of complex systems. Experience developing creative solutions to complex problems. Demonstrated ability to deliver a high quality, polished product in a timely manner. Proficient written and verbal communication skills as demonstrated by a record of publications, invited papers, or teaching experience. Demonstrated ability/commitment to valuing diversity, equity, and inclusion principles in the workplace. Demonstrated ability to interact effectively in an interdisciplinary team of scientists as well as independently. Additional qualifications at the SES.3 Level Advanced knowledge of physics, plasma physics, hydrodynamics, or astrophysics or a related field. Experience leading and mentoring as part of a multidisciplinary team. Demonstrated record of completing and/or leading top quality research in relevant areas of physics and engineering. Qualifications We Desire Experience with the use of large two and three-dimensional computer codes. Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Livermore, California, We have multiple openings for Computational Physicists aiming to improve national security through the development of simulation codes for world class supercomputing architectures. You will collaborate as part of an interdisciplinary team in advancing state-of-the-art physics simulation capabilities. Applications may include inertial confinement fusion, high-energy density physics, nuclear/conventional weapons, or nuclear counterterrorism. Our projects span the range from smaller, focused research codes/modules to multi-physics, multi-application production codes. This position is in the Design Physics Division within the Strategic Deterrence Directorate. These positions will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. You will Build simulation tools using modern software practices as part of a team. Develop models and algorithms to support physics capabilities for a diverse application space. Support users of your simulation tools. Share results through conferences, reports/publications, and potential interactions with collaborators. Recognize and support plans to promote and foster a culture of inclusion, diversity, equity, and accountability within the workplace. Perform other tasks as assigned. Additional responsibilities at the mid-career (SES. 3) level Develop and critically assess physics capabilities to support applications requiring advanced simulation tools to solve complex problems. Collaborate as a technical expert on multidisciplinary teams. Set specific technical strategies to achieve project goals. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD or equivalent level of proficiency in physics, mathematics, engineering, or related field. Proficiency in developing scientific applications in Python, C/C++, or FORTRAN. Proficiency in converting theory into computational models, implementing computational models, or evaluating computational algorithms and methods for their applicability. Effective verbal and written communication skills and experience authoring high-quality reports/publications and delivering effective technical presentations. Demonstrated ability/commitment to promote and value inclusion, diversity, equity, and accountability principles in the workplace. Additional qualifications at the mid-career (SES.3) level Advanced knowledge of physics, mathematics, engineering, or a related field. Significant professional programming experience. Experience in leading, mentoring, and/or collaborating within teams. Advanced verbal and written communication skills and a demonstrated record of delivering top-quality research in relevant areas of science and engineering. Qualifications We Desire Expertise in one or more science disciplines, such as shock hydrodynamics, solid/fluid mechanics, materials science, particle transport, radiation transport, nuclear physics, plasma physics, or physical chemistry. Proficiency in developing and supporting multi-dimensional numerical simulation. Proficiency in developing scientific simulations for high-performance and/or heterogeneous computing systems (e.g., use of MPI, OpenMP, Cuda/HIP, or other HPC technologies). Proficiency in developing advanced technical solutions (e.g., numerical algorithms). Proficiency in working in a multidisciplinary team-research environment, demonstrating creativity and initiative in addressing challenging problems. Please include a personalized cover letter with your application, highlighting your qualifications and why you're interested in this position.

Livermore, California, We have an opening for a Research Scientist in microbial genomics and bioinformatics. Opportunities exist to develop scientific capabilities to improve bio surveillance and detection of pathogens from complex environments. You will develop new methods, tools, and workflows for analysis of complex samples to identify emerging and unknown pathogens and determine their functional impacts. The selected candidate will also work with multiomics datasets for integrated data analysis and prediction of results. This position is in the Genomics group in the Biosciences and Biotechnology Division. This position will be filled at the SES.3 Level In this role you will: Apply molecular, bioinformatic and statistical methods on a diverse range of environmental and clinical samples to understand background microbial profiles and anomalies. Research, design, and implement analysis techniques and computing approaches for analyzing novel and unknown sequences and predict phenotypic outcomes. Perform quality analysis, quality control, and other independent tests of third-party algorithms, analysis methods, and data collection procedures and verify validity of results. Lead and manage diverse multidisciplinary teams to solve complex problems and deliver results to stakeholders Pursue independent (but complementary) research interests and interact with a broad spectrum of scientists internally and externally to the Laboratory. Publish research results in peer-reviewed scientific or technical journals and present results at external conferences seminars and/or technical meetings. - Organize, analyze, and present data from research at seminars, technical meetings, national and international conferences. Ability to obtain and maintain a US DOE Q-level security clearance which requires U.S. Citizenship.Ph.D. in Molecular Biology, Microbiology, Bioinformatics, Biostatistics, or a related field, or equivalent level of demonstrated knowledge and relevant experience. Significant experience with collection and processing of complex clinical and environment samples. Advanced knowledge in bioinformatic analysis of environmental and clinical metagenomic datasets including sequence pre-processing, alignment, genome assembly, genomic feature identification and functional characterization. Ability to develop and apply novel analytical techniques for multiomic data integration. Significant experience in applying data analysis tools with Python, R, C++. Significant experience with statistical analysis and data visualization. Significant experience leading, managing and mentoring teams for success. Ability to develop independent research projects in microbial genomics, as demonstrated through prior funding awards and publication of peer-reviewed literature. Advanced verbal and written communication and interpersonal skills to collaborate effectively in a multidisciplinary team environment and present and explain technical information. Qualifications We Desire Significant experience with containerization toolkits such as Docker or Singularity and familiarity with high performance computing environments, including experience with workload managers such as Slurm, PBS/Torque, or Kubernetes. Significant experience with systems biology and multi-omics data analysis including proteomics, metabolomics, epigenetics and transcriptomics. Significant experience with wet lab techniques for sample processing such as DNA and RNA extraction, DNA sequencing, PCR and microarray. Significant experience with a variety of DNA sequencing technology platforms. Significant experience with Artificial Intelligence/Machine Learning and applications to biological data.

Livermore, California, We have an opening for an Engineering Technical Associate for installing, testing, repairing, maintaining, or modifying complex electrical/mechanical systems on a range of laboratory (and related) equipment in support of various programs at the Lawrence Livermore National Laboratory. You will have close interactions with various disciplines and crafts in the Environment, Safety and Health, Engineering, Physical Life Science, and Operations and Business Directorates as well as scientists, engineers, and technical staff throughout the Laboratory. Your duties may include the ongoing support and operation of high performance scientific equipment. You may be required to work in areas with hazardous materials including, but not limited to, beryllium, radioactive, toxic, or high explosives materials. This position is in the Materials Characterization Group within the Materials Science Division (MSD). You will Apply innovative technical expertise to the design, fabrication, installation, maintenance, and/or modification of electrical/mechanical systems in the MSD and across the LLNL in general to support cutting-edge scientific research. Lay out and install electrical devices, power distribution equipment, and wiring systems in accordance with national, local, and LLNL safety codes and practices. Collaborate with technical and scientific staff, including subject matter experts, to install, maintain, and upgrade experimental setups, and to provide ongoing support for experiments that use these setups. Select appropriate work methods in collaboration with the Mechanical Technician Team Lead and stakeholders from the scientific staff for use in environments that routinely present chemical hazards including beryllium, radioactive material, lead, asbestos, and nanomaterials, as well as explosive hazards, biomaterial hazards, and electrical hazards. Use hand and powered tools commonly implemented for mechanical assembly/disassembly and electrical work, and the repair and operation of advanced scientific instruments, including diagnostic equipment such as multi-test meters, voltmeters, insulation testers, line analyzers, logic analyzers. Perform lock out/tag out to isolate components and de-energize equipment. Use advanced electrical and mechanical skills to solve complex to highly complex technical problems and make decisions of high consequence associated with the installation, decontamination and decommissioning, and/or ongoing maintenance and use of scientific equipment. Understand and calculate fault current and arc flash. Lead small groups of technical employees to complete projects involving multiple electrical, mechanical workers and/or other crafts. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. Bachelor's degree in Electronics, mechanical, industrial, manufacturing, computer engineering or electro-optic technology. Possess and maintain a valid driver's license. Experience in the function, modification, and operation of a diverse range of laboratory equipment. Ability to evaluate complex electrical (including diagrams, schematics, and panel schedules) and mechanical systems (e.g., high vacuum and pressure systems) and apply best practice scientific and engineering solutions in both facility operations and experimental lab environments. Experience using hand and powered tools that are typically used in the electrical trade including basic diagnostic equipment such as multi-test meters, oscilloscopes, recorders, line analyzers, logic analyzers, as well as diagnostic software on PC and CNC based platforms. Advanced knowledge of applicable electrical codes (e.g., the National Electrical Code NFPA-70, NFPA 70E, NFPA70B and the Electrical Standard for Industrial Machinery NFPA-79) OSHA, and ES&H regulations. Advanced level skills knowledge and abilities in equipment repair and related electrical/mechanical systems; including procedures, standards, and techniques for evaluating, troubleshooting, repairing, and maintaining various laboratory equipment. Experience in the use of technical and scientific knowledge to provide and implement novel mechanical/electrical solutions to enable one-of-a-kind experiments. Experience using respiratory protection. Ability to operate common motor vehicles, and the potential to operate powered industrial trucks. Verbal and written communication skills necessary to effectively collaborate in a team environment, present and explain technical information and provide technical direction with the ability to mentor others with advanced technical skills and working effectively in a dynamic and multidisciplinary environment, including scientists, engineers, technicians, and designers. Qualifications We Desire Familiarity with radioactive waste (LLW, TRU).

Livermore, California, We have an opening for an Associate Program Leader for Test Engineering within Z Program's Space Science and Security Program (SSSP). Test Engineering is a newly formed entity in LLNL's Space Program, which will develop innovative solutions to run experiments and tests to validate new mission concepts. You will provide technical, and strategic leadership to manage execution of a complex set of test engineering projects and will serve as the primary point of contact for the program and the sponsor addressing current and evolving mission objectives for the SSSP. This position will be filled at either level based on knowledge and related experience as assessed by the hiring team. Additional job responsibilities (outlined below) will be assigned if hired at the higher level. In this role you will Lead, manage, and coordinate Principal Investigators (PIs) and projects within the Test Engineering program area in SSSP, including funding oversight. Develop and track project execution plans for the program's assigned research and development projects, including allocation and monitoring of available personnel and budgets. Serve as the point of contact for relevant technical areas associated with the Test Engineering mission area and sponsors as defined by the Program Leader. Represent the Test Engineering program, with space sponsors and other U.S. Government organizations, traveling as necessary. Determine specific test requirements to meet mission goals, and to design tests that can effectively reduce key analytic uncertainties. Responsible for ensuring that testing performed by SSSP adheres to rigorous quality standards, working with the SSSP team to develop test plans and schedules to meet sponsor needs. Responsible for ensuring that test plans and resulting data meet appropriate review standards. Develop new program opportunities, including the definition and development of research proposals in collaboration with potential sponsors, as well as testing partners. Recruit staff in collaboration with counterparts, management, and matrix organizations to support the Test Engineering program mission areas while respecting execution requirements and commitments of other projects and programs in SSSP and Z Program and assist the SSSP Program Leader to balance resources with the other program areas. Maintain and ensure appropriate quality standards of highly complex projects for all the program's research and development activities including reviewing, coordinating, and approving deliverables, publications, and presentations. Develop and track project execution plans for the Test Engineering program's assigned research tasks, including allocation and monitoring of available personnel and budgets. Perform other duties as assigned. Additional job responsibilities, at the SEL.5 level Develop innovative concepts and provide expert leadership, technical vision, and strategic planning for both analytic and scientific research and development environments. Present project accomplishments and meet customer expectations, as well as identify new opportunities, goals, and application areas by leading the development of proposals interacting with senior program management. Brief work to senior management and senior U.S. Government decision makers on overall impact and approach. This position requires an active Department of Energy (DOE) Q-level clearance or active Top-Secret clearance issued by another U.S. government agency at time of hire. Also, you must have the ability to obtain and maintain Sensitive Compartmented Information (SCI) access. Bachelor's degree in Physical Science, Engineering or a related discipline, or the equivalent combination of education and related experience. Substantial experience in designing and conducting experimental tests, documenting results of experimental tests, and writing safety notes. Substantial experience managing, leading, and supervising large multidisciplinary projects and teams for external programmatic sponsors to meet deliverables. Advanced verbal and written communication skills necessary to effectively present, explain, and advise senior management and external sponsors and customers, including preparing and presenting proposals and reporting results. Demonstrated ability to motivate and collaborate with other personnel effectively in achieving project objectives. Significant experience initiating and leading scientific and technical research projects and teams and securing competitive funding for scientific research in the form of research grants or sponsored research projects. Substantial experience working in a classified environment with highly complex, multi-agency security requirements and with both classified and unclassified subject matter. Additional qualifications at the SEL.5 level Master's degree or Ph.D. in Physical Science, Engineering or a related discipline, or the equivalent combination of education and related experience. Extensive expertise in designing and conducting experimental tests, documenting results of experimental tests, and writing safety notes. Demonstrated technical knowledge of advancements that have impact beyond the Laboratory. Qualifications We Desire Experience managing a portfolio of several projects funded by different sponsors, and significant experience simultaneously managing and leading several projects. Ability and willingness to study and learn new advances in specific topics, expand personal expertise, and apply increased understanding to propose new lines of investigations. Experience in software development as shown by open-source projects, scientific collaboration contributions, or an employment background that includes software engineering roles or responsibilities. Significant experience working on a research team with individuals from diverse technical backgrounds, as well as an ability to function as an independent researcher with a high level of attention to detail. Experience working in the U.S. national security community.

Livermore, California, We have an opening for a Postdoctoral Researcher with a strong background in spectroscopic analysis to conduct research on the fundamental properties underpinning the initiation and growth of corrosion at metal surfaces. You will design and perform advanced analytical experiments to understand corrosion mechanisms in environmental conditions. This position will support a multi-disciplinary team developing corrosion models and will report to the Actinide and Lanthanide Sciences Group of the Materials Science Division. You will Perform fundamental and applied experimental work in the field of surface science. Participate in understanding the fundamental surface and interface properties of corrosion using state-of-the-art analytical instrumentation and techniques. Contribute to and actively participate in the conception, design, and execution of research to address complex problems. Pursue independent but complementary research interests and interact with a broad spectrum of scientists internally and externally to the Laboratory. Collaborate with scientists in a multidisciplinary team environment to accomplish research goals. Document and publish research in peer-reviewed journals and participate in domestic and international conferences. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD in Chemistry, Physics, Materials Science, or closely related field. Experience with X-ray diffraction, infrared or Raman spectroscopy, Auger electron spectroscopy, or similar spectroscopic techniques. Experience combining multi-instrument data sets (e.g., XRD, IR, and SEM) to interpret complex research samples. Experience with theory and modeling of surface chemical reaction mechanisms and kinetics. Ability as an innovative experimentalist with a broad range of experience in experimental design, techniques, and execution. Experience performing self-directed research, presenting talks at conferences and a record of publishing results in established scientific journals. Proficient written, verbal, and organizational skills necessary to effectively collaborate within small and large work groups. Interpersonal skills necessary to interact with a diverse set of scientists, engineers, and other technical and administrative staff. Qualifications We Desire Experience applying analytical surface science techniques (e.g., RAIRS, XPS, AES, or ToF-SIMS). Experience with complex analysis of actinide compounds. Experience with responses of materials in extreme environments, which can include irradiation, pressure, corrosion, or non-ambient temperatures.

Livermore, California, We have an opening for a Biogeochemistry Postdoctoral Researcher to investigate soil-based CO2 removal as a negative emissions pathway. You will design and execute field experiments using state-of-the-art flux monitoring equipment to assess the ability of deeply rooted and perennial grasses to enhance soil carbon sequestration. You will investigate the processes driving flux observations, specifically the relationships between plant, soil, and microbial characteristics, using field and laboratory soil biogeochemistry measurements. This position is part of a larger project to assess the capacity of soils in California to sequester carbon and the effect of land management interventions on soil carbon sequestration and will involve participation in team sampling and analysis. You will be a part of the Center for Accelerator Mass Spectrometry group in the Atmospheric, Earth & Energy Division. You will Investigate soil-based CO2 removal under deeply rooted and perennial grasses as a negative emissions pathway. Design and execute a field study using state-of-the-art soil gas flux chambers and eddy covariance data to assess the exchange of carbon between the soil and atmosphere. Conduct quality control checks, flux computation, data partitioning, uncertainty analysis, and statistical analyses of environmental data. Identify relationships between plant types, microbial processes, and soil carbon cycling. Conduct field sampling and laboratory analysis of soil carbon pools and calculate fluxes. Publish your results in peer-reviewed journals and participate in scientific conferences. Collaborate with scientists in a multidisciplinary team environment to evaluate the effects of different plan cultivars and soil treatments on soil-based CO2 removal. Perform other duties as assigned. Ability to perform fieldwork (collect gas flux, soil, biomass, and pore water samples) and experience with the measurement, analysis, and interpretation of CO2 gas flux from soils in the field. Knowledge of terrestrial carbon cycling and methods for quantifying the impact of plant and microbial processes on carbon dynamics. Experience with statistical analysis of environmental data. Ability to perform independent research and use a scientific approach to solve problems. Effective ability to collaborate with a team of scientists of diverse backgrounds. Proficient verbal and written communication skills, as evidenced by published results and presentations. Qualifications We Desire Experience maintaining and troubleshooting equipment in a field setting. Experience manipulating and analyzing large observational datasets. Programming experience in R, MATLAB, Python, or similar. Experience with stable isotopes or radioisotopes. Interest in science outreach and community engagement.

Livermore, California, In this role you will Conduct moderate to complex research and development related to the processing of metals and alloys, including actinide materials. Model and perform simulations of multi-phase casting operations. Participate in casting operations to fabricate complex experimental components. Perform laser-welding and laser powder-bed fusion experiments on a variety of metal alloys using unique laser properties. Characterize cast and additively manufactured materials across multiple length scales and interpret how those results influence material behavior and performance. Prepare written analyses, verbal briefings, and other products that capture and communicate results. Maintain and establish laboratory protocols, including adherence to safety and security protocols. Perform other duties as assigned. Ability to secure and maintain a U.S. DOE Q-level security clearance, which requires U.S. citizenship. Master's degree in Materials Science, Materials Engineering, Metallurgy, Nuclear Engineering, Mechanical Engineering, Physics, Chemistry, or a related field, or the equivalent combination of education and related experience. Comprehensive knowledge of two or more of the following: materials science, solidification, phase transformations, fluid dynamics, and heat transfer. Experience with materials characterization methods for structural materials (i.e., X-ray diffraction, electron microscopy, and/or optical microscopy). Experience with elemental analysis of metallic samples (i.e., mass spectrometry, energy dispersive X-ray spectrometry). Ability to work independently, as well as a member of a team. Experience operating computers to collect, analyze, and document scientific results. Proficient verbal and written communication skills necessary to interact with a diverse set of scientists, engineers, and other technical and administrative staff within a collaborative research and development environment. Additional qualifications at the SES.3 level PhD in Materials Science, Materials Engineering, Metallurgy, Nuclear Engineering, Mechanical Engineering, Physics, Chemistry, or a related field. Experience modeling processes involving fluid dynamics , heat transfer, and electromagnetic interactions using software such as ANSYS, COMSOL, Flow3D, ProCAST, etc. Experience with process controls and software such as LabView or Factory Talk, along with data analysis using MATLAB, Python, etc. Experience related to foundry and/or metals heat treatment operations. Qualifications we desire Experience related to the operation of laser-based metal additive manufacturing equipment. Experience troubleshooting and maintaining instruments. Experience working in gloveboxes. Experience handling radioactive, pyrophoric, or other hazardous materials.

Livermore, California, We have an opening in the Nuclear Materials Program for an Associate Program Leader (APL) for Chemical Operations to lead LLNL programmatic activities in pyrochemistry, aqueous chemistry, and analytical chemistry. The successful candidate will ensure that the team meets programmatic objectives on schedule while maintaining safe and compliant operations. You will work in a highly complex environment that requires a disciplined and tenacious work style, extensive foresight and planning, and a collaborative spirit. This position is in the Materials Science Division, supporting the Nuclear Materials Program of Weapon Technologies and Engineering (WTE) under Strategic Deterrence (SD). This position will be filled at either the SEL.4 or SEL.5 level depending on your qualifications. Additional job responsibilities (outlined below) will be assigned if you are selected at the higher level. You will Provide technical direction to the development of capabilities that address unique technical issues; exercise a high level of independent judgment in the development and deployment of innovative technologies. Ensure programmatic objectives are met by operations performed in full compliance with the ES&H Manual, the facility Design Safety Analysis (DSA) and Facility Safety Plan (FSP), and applicable Operational Safety Plans (OSPs). Plan the integration and implementation of new programs. Lead the development of novel technologies in a highly regulated environment. Establish milestones, develop schedules, track progress, and provide regular updates to program leadership, stakeholders, and sponsors. Solve complex resourcing/technical problems that have significant impacts on costs and schedules. Mentor early-career investigators, experienced project scientists, and technicians. Perform other duties as assigned. Additional job responsibilities, at the SEL.5 level Influence strategic technical decisions made by senior management and external sponsors. Identify/forecast areas of weak subject matter expertise and recruit/assign/train personnel as appropriate to strengthen operational readiness. Serve as a Nuclear Materials Program spokesperson to Laboratory management, external advisors and sponsors. Serve on external scientific or technical committees, representing the Laboratory. This position requires an active Department of Energy (DOE) Q-level clearance or active Top Secret clearance issued by another U.S. government agency at the time of hire . Master of Science degree in Chemical Engineering, Chemistry, Materials Science, or a related field, or the equivalent combination of education and related experience. Significant experience in nuclear materials chemical operations, data analysis, interpretation, and reporting. Significant leadership experience in the planning and managing of projects executed by multidisciplinary teams of experts. Proven leadership, interpersonal, and communication skills, as demonstrated by the ability to present highly complex technical topics to management, sponsors, and regulators effectively. Ability to independently assess abnormal situations with a high consequence of error and recommend/approve appropriate actions. Ability to secure and maintain certification in the Human Reliability Program (HRP), which includes polygraph examination, physical and psychological assessment, and random drug and alcohol testing. Additional qualifications at the SEL.5 Expert knowledge of nuclear materials chemical processing and analysis. Recognized ability to lead the development/improvement of nuclear materials chemical processes. Expert communication, facilitation, and collaboration skills necessary to effectively present, explain, influence, and advise senior management and external sponsors. Extensive experience and expert technical knowledge to address advancements that may have impacts beyond the Laboratory. Substantial experience working effectively with DOE and other sponsors, subject matter expert-level knowledge of DOE regulations and orders pertaining to nuclear material technologies, technical expertise with nuclear materials processing, and demonstrated understanding of operational and experimental safety issues. Qualifications We Desire Ph.D. in Chemical Engineering, Chemistry, Materials Science, or a related field. Advanced knowledge of state-of-the-art nuclear materials chemical processing and analysis. Experience in nuclear facility management, conduct of operations in a nuclear facility, and/or experience as a Fissile Material Handler.

Livermore, California, We are excited to offer an opportunity for a Postdoctoral Researcher to conduct research in cloud microphysics modeling and aerosol-cloud interactions in atmospheric simulations at large-eddy simulation scales. Research will entail model development in a new exascale atmospheric code to represent cloud microphysics in a Lagrangian framework and interactions between aerosol particles and clouds. Simulation results will be compared to observations and experimental data. You will work within a multidisciplinary team of scientists, engineers, programmers, and project managers to develop, implement, and apply these modeling capabilities in a state-of-the art atmospheric model with GPU parallelization, which will then be used to explore aerosol-cloud interactions in simulations of transport and dispersion and also cloud processes for climate science applications. This position is in the Atmospheric, Earth & Energy Division, Atmospheric Science Research and Applications Group. You Will Develop numerical methods and physics parameterizations appropriate for modeling the microphysical processes of clouds in the atmosphere and cloud interactions with aerosols. Implement modules into a state-of-the-art C++ based multiscale environmental solver with adaptive mesh refinement. Conduct research in the physics of aerosol-cloud interactions and cloud processes. Conduct research in multiscale atmospheric simulation and the transport of hazardous materials. Contribute to and actively participate in the conception, design, and execution of code physics development and scientific inquiry. Work with other experts in a large team to facilitate synergistic model development and high-impact science. Organize, analyze, and present data from research in journal publications and at professional conferences. Pursue independent (but complementary) research interests of your choosing. Interact with a broad spectrum of scientists internally and externally to the Laboratory. Perform other duties as assigned. PhD in atmospheric science, meteorology, engineering, nuclear science, or similar field. Experience with one or more of the following areas: numerical simulation methods for atmospheric modeling, cloud or aerosol microphysics, atmospheric transport and dispersion, or advanced scientific programming in C++ Demonstrated ability to develop independent research pathways as demonstrated through publication of peer-reviewed literature. Demonstrated proficient verbal and written communication skills to collaborate effectively in a team environment and present and explain technical information. Demonstrated initiative and interpersonal skills and ability to work in a collaborative, multidisciplinary team environment. Qualifications We Desire Experience with developing cloud or aerosol microphysics models. Experience with Lagrangian models for cloud or aerosol microphysics or transport and dispersion. Experience with multiscale, urban, or large-eddy simulation scale atmospheric modeling. Experience with adaptive mesh refinement. Experience with GPU programming.

Livermore, California, We have an opening for a Division Leader (DL) to provide leadership, oversight, and management of the Atmospheric, Earth and Energy Division (AEED). Staff in the division support the Laboratory's Global Security programs including nonproliferation, energy security, and nuclear counterterrorism, as well as programs funded by the DOE Office of Science and various non-DOE sponsors, including the State of California and industrial sponsors. The research activities of the Division include atmospheric science, climate and carbon cycle research, seismology, hydrology, geoscience, environmental science, center for accelerator mass spectrometry (CAMS), and nuclear energy research. You will oversee an estimated ~$38M of programs and projects, including sponsored research, institutionally supported activities, and Laboratory Directed Research and Development (LDRD) projects. This position is in the Principal Associate Director's Office within the Physical and Life Sciences (PLS) Directorate. You will Provide overall leadership, direction, and scientific and technical oversight to the Atmospheric, Earth and Energy Division to ensure an effective approach to recruiting and hiring high quality scientific staff, and training and developing the existing staff. Articulate the missions and develop the strategic plan for the Division that defines its core capabilities and future scientific directions; actively engage with LLNL discipline directorates and programs to deepen partnerships and ensure the synergy and complementarity of research activities. Manage research and development activities in the Division in multiple research areas and ensure the creation, maintenance, and enhancement of underlying core competencies. Oversee performance management and evaluation of all Division staff. This includes ongoing training and career development activities, yearly performance appraisals, ranking, and salary management. Oversee research commitments, program resources and multiple budgets including DOE, external programs, and internal science funding, ensuring all Laboratory and DOE fiscal policies and practices are followed. Develop business plans for program development and identify Divisional staffing needs for current and future Laboratory programs, collaborating with leaders of other LLNL organizations. Establish and enhance effective partnerships and directorate level interactions with sponsors of AEED programs; foster integration with relevant national and international scientific organizations and their activities, including workshop and conference sponsorship and major interactions and collaborations with universities, national labs and pertinent AEED science program sponsors at other DOE laboratories. Ability to secure and maintain a U.S. DOE Q-level security clearance which requires U.S. citizenship. PhD in a scientific discipline relevant to Atmospheric, Earth, and Energy Sciences (AEED) research or a related field, or the equivalent combination of education and related experience, with technical expertise in one or more areas of AEED. Record of scientific creativity, achievement, and leadership, as documented in publications and professional recognition; experience leading DOE and/or DOD funded projects and understanding of DOE and/or DOD strategic roadmaps. Extensive experience developing, managing, and evaluating programs, projects, and personnel in a technically diverse organization. Ability to lead, motivate, delegate effectively and build large complex interdisciplinary teams to work toward programmatic and institutional goals. Team effectively with other Physical & Life Sciences (PLS) organizations to define and meet PLS strategic goals. Extensive supervisory experience, including experience in development and implementation of performance reviews, ranking, and salary management; demonstrated ability to set clear goals and expectations, and communicate them to customers and performers. Expert experience interacting and negotiating at a high level with internal and external organizations and constituencies, with extensive experience working effectively in a high-impact, high-visibility, multi-task environment and the ability to lead a management team contributing to strategic planning. Expert communication, facilitation, collaboration, and problem-solving skills necessary to direct an organization, lead innovative research and interact with management and customers/sponsors. Extensive experience managing financial activities and ensuring program and overhead accounts are properly maintained and overseen according to LLNL and DOE fiscal policies and practices, coupled with extensive knowledge of managerial practices and experience effectively balancing budgets and complex workforce priorities to achieve desired results. Qualifications We Desire Demonstrated understanding of a diverse laboratory and national research environment, and the ability to work within that environment towards long-range goals. Familiarity with programs and core capabilities relevant to AEED and sponsors.