Nuclear Criticality Engineer

Oak Ridge, Tennessee, USPosted Jun 19, 2026

Job description

Spectra Tech has an immediate need for a Nuclear Criticality Engineer in Oak Ridge, TN.

RESPONSIBILITIES

/ OVERVIEW:

  • Support nuclear engineering facets related to the Uranium Processing Facility (UPF) design andconstruction of the facility.
  • Develop, revise, and peer-review Criticality Safety Evaluations (CSEs), Technical Deviations(TDs), and other NCS technical basis documents.
  • Perform facility walkdowns, review implementing documents, and participate in Operational. Safety Boards.
  • Resolve non-compliance or discrepancies in safety requirements.
  • Develop calculations related to nuclear facilities.
  • Ensure critical design needs are met.
  • Develop, review, and implement Nuclear Criticality Safety Evaluations (NCSEs) and. Determinations (NCSDs).
  • Assist in implementing and maintaining the NCS program, including operability evaluations andproblem report dispositions.
  • Maintain a strong safety culture, implement zero-accident philosophies, and ensure safe workpractices in operational areas.
  • Review operational areas to assess NCS compliance.
  • Perform NCS evaluations.

REQUIREMENTS

  • Bachelor’s Degree in Engineering; may look at other candidates with technical degree andadditional relevant experience
  • 15+ years of relevant experience
  • United States (U.S.) Citizen
  • Must understand nuclear criticality safety procedures
  • Must be able to be qualified to ANS-8.26
  • Must have excellent coordination and communication skills to work with various teams andstakeholders
  • Must have experience with DOE and/or commercial nuclear projects

Description copied from Spectra Tech's careers page. Read the full posting before you apply.

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