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Criticality Safety Engineer

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Amentum

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Location:
United States , Aiken

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Salary:

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Job Description:

Amentum is seeking a Nuclear Criticality Safety Engineer based out of our Aiken, SC office. 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 Responsibility:

  • 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
  • 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

Nice to have:

  • Involvement in industry committees preferred (e.g., ANS)
  • Min of 3 years of DOE-specific experience is highly preferred

Additional Information:

Job Posted:
March 21, 2026

Employment Type:
Fulltime
Work Type:
On-site work
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