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Nuclear Criticality Engineer

Spectra Tech, Inc.
Oak Ridge, TN Full Time
POSTED ON 10/27/2026
AVAILABLE BEFORE 12/27/2026

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 OperationalSafety 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) andDeterminations (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


Spectra Tech’s policy is to give equal opportunity to all qualified persons without regard to race, color, religion, sex, age, national origin, individuals with a disability, genetic information, sexual orientation, protected veteran status, or any other basis prohibited by applicable law.

 

Salary.com Estimation for Nuclear Criticality Engineer in Oak Ridge, TN
$155,613 to $186,431
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