NEST Nuclear Diagnostician

Lawrence Livermore National Laboratory
Livermore, CA 94550

We have an opening for a Nuclear Diagnostician to support Global Security's Nuclear Emergency Support Team (NEST) and Nuclear Counter Terrorism and Counter Proliferation (NCTCP) Programs. You will work as part of a dynamic and diverse team to provide computational and modeling support to the NEST research efforts and operations. You will be required to work at LLNL in Livermore, and travel to offsite locations and facilities. This position will report programmatically to the NEST Nuclear Diagnostics Lead and administratively to the Nondestructive Evaluation Group (NDE) within the Materials Engineering Division (MED).

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

  • Model radiation and imaging detector responses of highly complex nuclear systems and communicate results to experts and non-experts in this field.
  • Perform complex laboratory experiments and interpret results to build and validate detector models and response functions.
  • Lead measurement and training campaigns employing significant quantities of nuclear material in subcritical experiments and benchmarks or sealed sources in training assemblies.
  • 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.
  • Train non-expert emergency response personnel on diagnostic tools within the context of their operational procedures.
  • Independently manage concurrent technical projects/tasks with competing priorities in a multi-disciplinary team environment, where commitments and deadlines are important to project success.
  • Travel domestically and internationally up to 25% time, for support and customer interaction.
  • Perform other duties as assigned.

Additional job responsibilities, at the SES.4 level

  • Provide subject matter expertise and analysis on highly complex nuclear systems and collaborate with scientist, engineers, and technicians to provide diagnostic support to various programmatic tasks.
  • Represent the organization as the primary technical contact on multiple diagnostic related tasks and large projects, working effectively with conflicting priorities and participate in programmatic sustainment and growth by identifying and addressing complex sponsor needs and prioritizing collaborations with LLNL staff and across the community.
  • Create innovative diagnostic tools and evaluate competing characteristics to determine solutions that most effectively meet objectives; provide subject matter expertise to customers and stakeholders in highly complex problem areas.

  • Ph.D. in nuclear engineering or a relevant scientific discipline (nuclear physics, particle physics, radiochemistry), or equivalent combination of education and prior relevant experience.
  • Significant experience in experimental design, techniques, and execution, including analytical techniques in nuclear diagnostics.
  • Significant experience with advanced computer-based design and analysis of experiments with advanced knowledge of C, C++, Python, or related languages and modeling in particle transport codes such as MCNP or GEANT.
  • Experience in simultaneously meeting deliverables for multiple projects on schedule.
  • Experience developing and implementing creative solutions to a diverse range of highly complex problems that may be frequently not well defined and leading corrective actions where necessary.
  • Advanced communication skills with proven ability to present complex concepts and ideas in a clear and coherent manner, both verbal and written, for presentation and interaction with non-expert customers from a variety of backgrounds (DOD, DOJ, Foreign, State, and Local).
  • Ability to reprioritize and change programmatic direction depending on emergent requests and in collaboration with a variety multidisciplinary teams and external organizations.

Additional qualifications at the SES.4 level

  • Substantial knowledge and hands-on experience in non-destructive assay techniques with ability to assess complex interactions in nuclear systems and a demonstrated subject matter expert, knowledgeable of highly advanced concepts to include experience and ability to lead independent work conducting applied physics research.
  • Significant experience successfully managing and leading multidisciplinary project teams with expert verbal and written communication and interpersonal skills necessary to effectively collaborate with internal and external teams, and advise and influence senior management and external sponsors with proven success delivering expert level, high-quality, impactful technical products.
  • Ability to develop highly advanced programs and expand capabilities within the NEST and NCTCP programs to enable substantial and programmatically relevant advances.

Qualifications We Desire

  • Prior experience working in an emergency response environment at the state or local level, or within Federal agencies such as: DoD, DoJ or DHS.
  • Strong understanding of non-destructive analysis techniques, nuclear spectroscopy, Feynman variance-to-mean analysis, and other analytical methods and techniques.
  • Extensive experience at the expert level in the development of principles, theories, concepts, and techniques relevant to applied nuclear physics research.

Why Lawrence Livermore National Laboratory?

  • Included in 2021 Best Places to Work by Glassdoor!
  • Work for a premier innovative national Laboratory
  • Comprehensive Benefits Package
  • Flexible schedules (*depending on project needs)
  • Collaborative, creative, inclusive, and fun team environment

Learn more about our company, selection process, position types and security clearances by visiting our Career site.

COVID-19 Vaccination Mandate

LLNL demonstrates its commitment to public safety by requiring that all new Laboratory employees be immunized against COVID-19 unless granted an accommodation under applicable state or federal law. This requirement will apply to all new hires including those who will be working on site, as well as those who will be teleworking.

Security Clearance

LLNL is a Department of Energy (DOE) and National Nuclear Security Administration (NNSA) Laboratory. Some positions will require a DOE L or Q clearance (please reference Security Clearance requirement above). If you are selected and a clearance is required, we will initiate a Federal background investigation to determine if you meet eligibility requirements for access to classified information or matter. In addition, all L or Q cleared employees are subject to random drug testing. An L or Q clearance requires U.S. citizenship. For additional information please see DOE Order 472.2.

Equal Employment Opportunity

LLNL is an affirmative action and equal opportunity employer that values and hires a diverse workforce. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

LLNS is committed to offering reasonable accommodations during the application and recruiting processes due to a disability. If you need assistance or an accommodation due to a disability, please submit a request via our online form.

California Privacy Notice

The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.


Join us and make YOUR mark on the World!

Are you interested in joining some of the brightest talent in the world to strengthen the United States' security? Come join Lawrence Livermore National Laboratory (LLNL) where our employees apply their expertise to create solutions for BIG ideas that make our world a better place.

We are committed to a diverse and equitable workforce with an inclusive culture that values and celebrates the diversity of our people, talents, ideas, experiences, and perspectives. This is essential to innovation and creativity for continued success of the Laboratory's mission.

"},"jobDescription":{"title":"Job Description","text":"

We have an opening for a Nuclear Diagnostician to support Global Security's Nuclear Emergency Support Team (NEST) and Nuclear Counter Terrorism and Counter Proliferation (NCTCP) Programs. You will work as part of a dynamic and diverse team to provide computational and modeling support to the NEST research efforts and operations. You will be required to work at LLNL in Livermore, and travel to offsite locations and facilities. This position will report programmatically to the NEST Nuclear Diagnostics Lead and administratively to the Nondestructive Evaluation Group (NDE) within the Materials Engineering Division (MED).

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

  • Model radiation and imaging detector responses of highly complex nuclear systems and communicate results to experts and non-experts in this field.
  • Perform complex laboratory experiments and interpret results to build and validate detector models and response functions.
  • Lead measurement and training campaigns employing significant quantities of nuclear material in subcritical experiments and benchmarks or sealed sources in training assemblies.
  • 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.
  • Train non-expert emergency response personnel on diagnostic tools within the context of their operational procedures.
  • Independently manage concurrent technical projects/tasks with competing priorities in a multi-disciplinary team environment, where commitments and deadlines are important to project success.
  • Travel domestically and internationally up to 25% time, for support and customer interaction.
  • Perform other duties as assigned.

Additional job responsibilities, at the SES.4 level

  • Provide subject matter expertise and analysis on highly complex nuclear systems and collaborate with scientist, engineers, and technicians to provide diagnostic support to various programmatic tasks.
  • Represent the organization as the primary technical contact on multiple diagnostic related tasks and large projects, working effectively with conflicting priorities and participate in programmatic sustainment and growth by identifying and addressing complex sponsor needs and prioritizing collaborations with LLNL staff and across the community.
  • Create innovative diagnostic tools and evaluate competing characteristics to determine solutions that most effectively meet objectives; provide subject matter expertise to customers and stakeholders in highly complex problem areas.
"},"qualifications":{"title":"Qualifications","text":"
  • Ph.D. in nuclear engineering or a relevant scientific discipline (nuclear physics, particle physics, radiochemistry), or equivalent combination of education and prior relevant experience.
  • Significant experience in experimental design, techniques, and execution, including analytical techniques in nuclear diagnostics.
  • Significant experience with advanced computer-based design and analysis of experiments with advanced knowledge of C, C++, Python, or related languages and modeling in particle transport codes such as MCNP or GEANT.
  • Experience in simultaneously meeting deliverables for multiple projects on schedule.
  • Experience developing and implementing creative solutions to a diverse range of highly complex problems that may be frequently not well defined and leading corrective actions where necessary.
  • Advanced communication skills with proven ability to present complex concepts and ideas in a clear and coherent manner, both verbal and written, for presentation and interaction with non-expert customers from a variety of backgrounds (DOD, DOJ, Foreign, State, and Local).
  • Ability to reprioritize and change programmatic direction depending on emergent requests and in collaboration with a variety multidisciplinary teams and external organizations.

Additional qualifications at the SES.4 level

  • Substantial knowledge and hands-on experience in non-destructive assay techniques with ability to assess complex interactions in nuclear systems and a demonstrated subject matter expert, knowledgeable of highly advanced concepts to include experience and ability to lead independent work conducting applied physics research.
  • Significant experience successfully managing and leading multidisciplinary project teams with expert verbal and written communication and interpersonal skills necessary to effectively collaborate with internal and external teams, and advise and influence senior management and external sponsors with proven success delivering expert level, high-quality, impactful technical products.
  • Ability to develop highly advanced programs and expand capabilities within the NEST and NCTCP programs to enable substantial and programmatically relevant advances.

Qualifications We Desire

  • Prior experience working in an emergency response environment at the state or local level, or within Federal agencies such as: DoD, DoJ or DHS.
  • Strong understanding of non-destructive analysis techniques, nuclear spectroscopy, Feynman variance-to-mean analysis, and other analytical methods and techniques.
  • Extensive experience at the expert level in the development of principles, theories, concepts, and techniques relevant to applied nuclear physics research.

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NEST Nuclear Diagnostician

Lawrence Livermore National Laboratory
Livermore, CA 94550

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