Drimva

General Matter

Lead, Nuclear Criticality Safety

$160K–$270K

Los Angeles, CA +1 · Full-time · Posted Sep 1, 2026

Location
Los Angeles, CA
Los Angeles, California, United States
Experience
8+ years; direct authorship of evaluations at a DOE or NRC-licensed facility.
Education
Bachelor's degree in Nuclear Engineering, Physics, or a related field.

About the job

Build and lead the criticality safety program for a Part 70 fuel cycle facility, developing safety evaluations and supporting NRC licensing and operations.

What you'll do

  • Set the site’s criticality safety methodology, double-contingency strategy, and technical direction; develop and maintain evaluations and integrate them into the ISA.
  • Perform computational analyses and serve as the primary technical contact for NRC licensing interactions, amendments, and inspections.
  • Review and audit facility operations, mentor engineers, and collaborate on safety measures, training, incident investigations, and corrective actions.

What they ask for

  • Evidence of exceptional ability, such as prior projects, a portfolio of work, or completed products.
  • 8+ years of nuclear criticality safety experience, including direct authorship of criticality safety evaluations at a DOE or NRC-licensed facility.
  • Bachelor's degree in Nuclear Engineering, Physics, or a related field.
  • Knowledge of criticality safety regulations and methodologies; proficiency in computational tools such as SCALE, MCNP, or similar software; ability to obtain and maintain required security clearance and access authorization.

Nice to have

  • Experience standing up or significantly revising a criticality safety program at an NRC-licensed Part 70 facility, or DOE weapons complex or national laboratory experience transferable to NRC licensing.
  • Nuclear Criticality Safety Engineer certification, PE license or ability to obtain one, or an advanced degree in a related field.

Pay

$160,000–$270,000 USD annually (base salary)

Tools

SCALE, MCNP, 10 CFR Part 70, ANSI/ANS-8 series

Model-written summary · the original posting is authoritative

First seen Oct 29, 2026 · Last verified Nov 6, 2026 (UTC)