Listing evidence and provenance
- Source
- Workday View original listing
- Freshness
- Open in the current public read path; this is not an employer guarantee.Last observed October 23, 2026
- Classification
- Modern power-system classification not yet published for this listing.Legacy source industry field: Nuclear Energy
- Pay provenance
- Employer-provided pay
Job Description
Amentum is seeking a Nuclear Criticality Safety Engineer based out of our Richland, WA office.
Key Responsibilities
- Provide technical guidance to operating organizations.
- Collaborate with operating organization personnel on NCS evaluations as the lead NCS Analyst.
- Perform independent reviews of NCS evaluations.
- Conduct periodic reviews of fissionable material operations.
- Lead and/or participating in NCS response to programmatic issues and criticality process deviations/infractions.
- Participate in NCS emergency response preparation (emergency procedures, plans, exercises, and drills).
- Independently prepare, review, and/or present technical reports to the criticality safety community (e.g. American Nuclear Society, etc.).
- Conduct NCS training for all levels of employees involved in fissionable material operations.
- Assist in the development and/or review of new or proposed changes to existing NCS programmatic policy and implementing documents.
- Lead and/or participate in assessments and audits of the NCS Program.
- Mentor of less experienced Nuclear Criticality Safety (NCS) Analysts and Analysts In-Training on all aspects of criticality safety.
- Development, revision, and review of Nuclear Criticality Safety (NCS) documentation such as Criticality Safety Evaluations (CSEs), Nuclear Criticality Safety Design Analysis, and Calculations (DACs) and various other NCS technical basis documentation.
- Complete required NCS annual Operational Reviews.
- Daily nuclear facility support; consisting of facility walkdowns, review of NCS requirements, implementing documents, participation at facility Operational Safety Boards, etc.
Requirements
- Bachelor’s degree in nuclear, engineering, math, or science with minimum of 4-5 years of Nuclear Criticality Safety (NCS) experience is required (Nuclear Engineering degree preferred) or 5 years of equivalent technical experience in place of a B.S.
- Involvement in industry committees preferred (e.g., ANS).
- Min of 3 years of DOE-specific experience is highly preferred
- Demonstrated keen attention to detail.
- Must be able to obtain and maintain facility credentials/authorization. Note: U.S. Citizenship is required for facility credentials/authorization at this work location.
- Candidate must have the ability to obtain and maintain a DOE “Q” security clearance.
- Alternate combination of education and experience will be considered.
Benefits & Perks
- Our health and welfare benefits are designed to support you and your priorities. Offerings include:
- Health, dental, and vision insurance
- Paid time off and holidays
- Retirement benefits (including 401(k) matching)
- Educational reimbursement
- Parental leave
- Employee stock purchase plan
- Tax-saving options
- Disability and life insurance
- Pet insurance
- Note: Benefits may vary based on employment type, location, and applicable agreements. Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.
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