Criticality Safety Engineer
Job Summary
Amentum is a global leader in advanced engineering and innovative solutions supporting critical missions across defense intelligence energy and civilian sectors. Our people are our competitive advantage driven by purpose collaboration and a commitment to delivering excellence for our customers and communities. We are currently seeking a Nuclear Criticality Safety Engineer to support our AIKEN SC office out at the Savannah River Site (SRS). The Engineer will provide engineering support for U.S. Department of Energy (DOE) facilities and projects in Design Services. The Engineer must have demonstrated experience in preparing documents to support the development of or changes to complex engineering designs or design changes supporting facility or project scoped work.
Candidates will obtain site specific Nuclear Criticality Safety (NCS) Analyst Qualification to support implementation of a DOE Approved Nuclear Criticality Safety Program in an operating non-reactor nuclear facility.
Job 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.
Required Skills/Abilities
- Bachelors 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
- Candidate must be a US citizen.
- Candidate must have the ability to obtain and maintain a DOE Q security clearance.
- Demonstrated keen attention to detail.
Educational Requirements
- Alternate combination of education and experience will be considered.
Compensation Details:
$115000
The compensation range or hourly rate listed for this position is provided as a good-faith estimate of what the company intends to offer for this role at the time this posting was issued. Actual compensation may vary based on factors such as job responsibilities education experience skills internal equity market data applicable collective bargaining agreements and relevant laws.
Benefits Overview:
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-OHara Service Contract Act (SCA) or other employment contracts may include different provisions/benefits.
Original Posting:
06/09/2026 - Until FilledAmentum anticipates this job requisition will remain open for at least three days with a closing date no earlier than three days after the original posting. This timeline may change based on business needs.
Amentum is proud to be an Equal Opportunity Employer. Our hiring practices provide equal opportunity for employment without regard to race sex sexual orientation pregnancy (including pregnancy childbirth breastfeeding or medical conditions related to pregnancy childbirth or breastfeeding) age ancestry United States military or veteran status color religion creed marital or domestic partner status medical condition genetic information national origin citizenship status low-income status or mental or physical disability so long as the essential functions of the job can be performed with or without reasonable accommodation or any other protected category under federal state or local law. Learn more about your rights under Federal laws and supplemental language atLabor Laws Posters.
Required Experience:
IC
About Company
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