Lead, Nuclear Criticality Safety is open at General Matter in Los Angeles, CA. The posting gives a salary of $160K - $270K. Posted on Sep 1, 2026, and still on General Matter’s careers page when we last checked, on Nov 14, 2026.
About the role
Own the criticality safety program end-to-end: set methodology, double-contingency strategy, and technical direction for the site. Develop and maintain nuclear criticality safety evaluations (CSEs) for processes involving fissile materials, and ensure CSE outputs are correctly integrated into the ISA as a foundational safety basis input. Perform criticality safety analyses using computational methods and tools…
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
