Nuclear Criticality Safety (NCS) Engineer

Benefits

Parental leave

Not verified

Non-birth-parent leave

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Family-building benefits

• Fertility benefits: Not verified
• Adoption assistance: Not verified
• Surrogacy assistance: Not verified

Mental health support

Not verified

Relocation assistance

Not verified

Childcare support

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Learning budget

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Verification

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Salary

$80K-$170K From the posting source checked Jun 20, 2026

401(k) match

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Market context

U.S. role benchmark (BLS OEWS)

$116,543 U.S. median for this role

Projected growth (BLS Employment Projections)

+9.8% - Much faster than average

7% above the BLS role benchmark for software engineering aggregate.

Matched to SOC 15-1252 - Software Engineering aggregate by role bucket.

Source: U.S. Bureau of Labor Statistics, OEWS, May 2024 and Employment Projections, 2024-2034.

Role

Role function

Engineering From the posting source checked Jun 20, 2026

Seniority

Mid From the posting source checked Jun 20, 2026

Schedule

Shift type

Not verified

Weekend work

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Company

Equity

Offered From the posting source checked Jun 20, 2026

Application

Cover letter

Not verified

Assessment

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Deadline

Not stated

Where they hire

State eligibility is not yet verified.

About this role

Nuclear Criticality Safety (NCS) Engineer Los Angeles, CA About the Company General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role We are seeking a skilled Nuclear Criticality Safety Engineer to join our team and play a critical role in ensuring the safe and effective handling of nuclear materials. You will be part of the team responsible for developing, implementing, and maintaining a criticality safety program to ensure compliance with regulatory requirements and industry standards. You will conduct evaluations, perform risk assessments, and provide technical expertise to support safe operations within a nuclear fuel cycle facility. Responsibilities - 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)

Read the full description at job-boards.greenhouse.io. FewerJobs shows a preview and links to the original posting.