Hybrid Postdoc: Nuclear Criticality Safety Research

LLNL; Livermore (CA); Hybrid; USD 115,000 - 156,000; Full time

Job summary

Lawrence Livermore National Laboratory (LLNL) seeks a Postdoctoral Researcher in Nuclear Criticality Safety in the Nuclear Criticality Safety Division. The role offers a hybrid schedule and requires U.S.

citizenship with DOE Q clearance. You will design, model, and analyze laboratory critical and subcritical experiments; develop radiation measurement instrumentation; oversee equipment fabrication; and help prepare safety reviews and publications.

Qualifications

• PhD in Nuclear Engineering, Physics, or a related field required.
• DOE Q clearance or ability to obtain; U.S. citizenship required.
• Experience with radiation transport methods and computational physics.

Responsibilities

• Collaborate in design, modeling, and analysis of lab critical and subcritical experiments.
• Develop radiation measurement instrumentation and measure radiation fields.
• Design and oversee fabrication of equipment as required.
• Develop experimental procedures and guide them through safety and reviews.
• Perform criticality safety evaluations of laboratory work.
• Publish results in peer‑reviewed journals and present at conferences.
• Operate independently and in multidisciplinary teams.

Skills

Python

FORTRAN

C++

Radiation transport

Independent work

Communication

Multidisciplinary teamwork

Education

PhD in Nuclear Engineering, Physics, or related field

Tools

MCNP

SCALE

GEANT

OpenMC

Serpent

Job description

Lawrence Livermore National Laboratory (LLNL) seeks a Postdoctoral Researcher in Nuclear Criticality Safety in the Nuclear Criticality Safety Division. The role offers a hybrid schedule and requires U.S.

citizenship with DOE Q clearance. You will design, model, and analyze laboratory critical and subcritical experiments; develop radiation measurement instrumentation; oversee equipment fabrication; and help prepare safety reviews and publications.