Nuclear Criticality Safety Engineer is open at General Matter in Los Angeles, CA. The posting gives a salary of $100K - $230K. Posted on Jan 9, 2025, and still on General Matter’s careers page when we last checked, on Nov 14, 2026.
About the role
Develop and maintain nuclear criticality safety evaluations (CSEs) for processes involving fissile materials. Perform criticality safety analyses, utilizing computational methods and tools (e.g., SCALE, MCNP) to assess system safety and compliance. Ensure compliance with NRC, DOE, and ANSI/ANS criticality safety standards and regulations. Conduct audits, inspections, and reviews of facility operations to identify…
The opening lines of the posting. The rest is on General Matter’s careers page.
Hiring at General Matter
General Matter has 132 open roles right now. Most are in Engineering, Operations and Manufacturing & Trades. The median advertised salary across its roles with a published range is $145K. See all its roles

