Field Health Physicist

Associate | Full-time Environmental, Safety & Health | Livermore, CA | 10/29/2026

Reference #: REF
9086EJob Code: TSS.
2 Technical Services & Ops MTS 2 / TSS.
3 Technical Services & Ops MTS 3

Organization: ESH and Quality Position Type:
Career Indefinite Security Clearance:
Anticipated DOE Q clearance (requires U.S. citizenship and a federal background investigation)
Drug Test:
Required for external applicant(s) selected for this position (includes testing for use of marijuana)
Medical Exam:
Not applicable
Company Description Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

Job Description We have an opening for a Health Physicist. You will provide health physics (HP) support to LLNL programs to ensure effective implementation of the Radiation Protection Program, including field engagement, hazard evaluation, control verification, and technical documentation support.  This position is within the Environment Safety & Health (ESH) 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. This position may offer a hybrid schedule, which includes the flexibility to work from home one or more days per week, after a probationary period. The specifics of the hybrid schedule, including the exact number of days required in the office and virtual work options may vary based on the needs of the team and the organization.

You will Provide HP support to LLNL programs, which includes evaluating the adequacy of personnel dosimetry, bioassay, and in-vivo monitoring. Partner with program personnel to understand moderately complex to complex radiological work, assess hazards, and verify that controls are appropriate, documented, communicated, and effective, including through routine field visits and facility inspections. Review, develop, and update radiological safety and work planning documentation, including Facility Safety Plans, Work Control Documents, Radiological Work Permits, Safety Analysis Reports, Engineering Designs, and ES&H submittals.

Develop and deliver HP briefings and training; provide informal guidance to less experienced staff; provide feedback to management on radiation protection program performance and improvement opportunities. Respond to radiological incidents and emergencies; support investigations and corrective actions; provide HP support during internal and external assessments, inspections, and verifications. Coordinate with health and safety technicians performing HP sampling and assigned tasks;

assist in the development and execution of the HP routine monitoring plan for assigned areas.

Perform other duties as assigned. Additional job responsibilities, at the TSS.
3 level  Using independent judgment within broadly defined policies and practices, develop techniques and evaluation criteria to address radiological hazards that may require novel approaches or new methods. Provide solutions to complex radiological protection issues that may not be well defined. Provide day-to-day technical direction to health and safety technicians performing HP sampling and assigned tasks, without formal supervisory…