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Theoretical Physicist - Postdoctoral Researcher

Entry Level | Full-time
Physical Life Sciences | livermore, CA | 10/13/2021

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Company Description

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 looking for individuals that demonstrate an understanding of working in partnership with team peers, who engage, advocate, and contribute to building an inclusive culture, and provide expertise to solve challenging problems.

Job Description

We have an opening for a Theoretical Physicist - Postdoctoral Researcher to work on developing new nuclear diagnostic capabilities and on problems related to the statistical theory of fission chains. This work will support the nation’s ability to counter, respond to, and if necessary, mitigate a nuclear or radiological incident quickly. This critical mission is the responsibility of the U.S. Department of Energy, National Nuclear Security Administration’s (DOE/NNSA) JTOT (Joint Technical Operation Team) Program—an agile, task-organized unit, ready to react at a moment’s notice to support nuclear and radiological weapons of mass destruction incidents. This position is in the Nuclear Security Physics Group of the Nuclear and Chemical Sciences Division.

In this role you will:

  • Develop theories and mathematical models to predict results of a radiation measurement of a nuclear weapon.
  • Assist in identifying and developing possible new diagnostic methods.
  • Use nuclear data and the results of simulations made with radiation transport codes (e.g. MCNP or GEANT4) to unravel the details of a measurement.
  • Consider detector performance and limitations in the context of operational requirements.
  • Work as part of an interdisciplinary team with experimental physicists, computational physicists, and statisticians to reconcile measurements with theories and to refine the theories, hardware, and measurements.
  • Participate in measurement campaigns as necessary.
  • Present research results in scientific meetings, peer reviews, and publications.
  • Perform other duties as assigned.

Qualifications

  • Ability to secure and obtain and maintain a U.S. DOE Q-level security clearance, which requires U.S. Citizenship.
  • Ph.D. in theoretical physics or related field.
  • Understanding of theoretical physics and analytic methods of mathematical physics.
  • Knowledge of computational techniques (e.g. Bill Press’ Numerical recipes).
  • Familiarity with radiation and neutron transport.
  • Understanding of the principles of radiation detection and signal processing.
  • Willingness to participate in different kinds of applied work.
  • Documented publication record in peer-reviewed literature with experience presenting research results to a large audience.
  • Proficient verbal and written communications skills necessary to author technical and scientific reports and publications and deliver scientific presentations.
  • Initiative and interpersonal skills with desire and ability to work in a collaborative, multidisciplinary team environment.

Qualifications we Desire:

  • Experience with radiation measurement instruments, systems, and analysis.
  • Ability to coordinate complex tasks by interacting independently with other team members in the execution of the mission.

Additional Information

Why Lawrence Livermore National Laboratory?

  • Included in 2020 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.

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.

If you need assistance and/or a reasonable accommodation during the application or the recruiting process, 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.

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