Nuclear Criticality Engineer

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 and construction 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 and problem report dispositions.
• Maintain a strong safety culture, implement zero‑accident philosophies, and ensure safe work practices in operational areas.
• Review operational areas to assess NCS compliance.
• Perform NCS evaluations.

• Bachelor’s Degree in Engineering; may look at other candidates with a technical degree and additional 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 and stakeholders.
• Must have experience with DOE and/or commercial nuclear projects.