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Nuclear Criticality Safety Engineer

Job in Oak Ridge, Anderson County, Tennessee, 37830, USA
Listing for: Strata-G, LLC
Full Time position
Listed on 2025-12-23
Job specializations:
  • Engineering
    Electrical Engineering, Environmental Engineer, Mechanical Engineer, Systems Engineer
Salary/Wage Range or Industry Benchmark: 80000 - 100000 USD Yearly USD 80000.00 100000.00 YEAR
Job Description & How to Apply Below

At Strata-G, we define significance by the extraordinary people we hire, the relationships we build with our clients, and the positive impact we make in the community. Our team of intellectually curious and highly motivated engineers, scientists and business professionals engages with our clients to solve complex energy and environmental challenges around the world.

We are driven by our values to create a culture of significant and positive change for our clients and the world.

We Care We treat our customers and employees as we wish to be treated.
Integrity We are honest and ethical in every endeavor.
Service We continuously strive to please our customers and to exceed their expectations.
Quality We maintain a culture of continuous improvement.
Safety We hold paramount the safety and health of our associates, our customers, the public, and the environment.
Innovation We develop creative solutions to better serve our customers.
Attitude We maintain a positive attitude and value humor.
Outreach We share the results of our successes with the community.

Strata-G is seeking an experienced Nuclear Criticality Safety Engineer with the following:

Summary

This position resides in the NCS Field Support group. The Field Support group focuses on Production requested work, reviews every fissile process annually to ensure it is still within the bounds of the safety analysis, and provides response to abnormal conditions. NCS field engineers may initiate modifications to criticality safety evaluations (CSEs), resolve noncompliances/discrepancies, and perform verifications and validations to revised CSEs.

NCS engineers in the group spend significant time in the nuclear facilities and frequently interact with operators, management, other engineering/safety disciplines, and federal oversight.

Candidates with no prior NCS experience will enter a 1-2 year qualification program to obtain necessary technical skills.

Requirements
  • Bachelor s degree in engineering/physical science discipline and a 3.0/4.0 cumulative GPA OR a Master s degree in engineering/physical science discipline with no experience and a 3.3/4.0 cumulative GPA OR a PhD in engineering/physical science discipline with no experience and a 3.5 cumulative GPA.
  • There is a minimum Grade Point Average (GPA) requirement up to 4 years post-graduation at time of offer and confirmed by transcript. Beyond four years from graduation, engineering experience will supersede GPA as a requirement for hire.
  • In addition, the applicant must meet the requirements of DOE O 426.2A (i.e., Baccalaureate in engineering or related scientific major, 2 years job-related, and 1-year nuclear experience; or a DOE O 426.2A alternative). DOE 426.2A experience requirements can be satisfied following employment. In the interim, newly hired personnel will not be assigned duties that could impact the safety basis of nuclear facilities.

    ( O 426.2A)
Preferred

Special Requirements
  • Nuclear Engineering degree or graduate from either the US Navy Nuclear Power School or the Bettis Reactor Engineering School
  • Excellent written and oral communication skills
  • 3+ years of work experience in nuclear industry
  • Prior qualification as an NCS engineer at a DOE or NRC regulated facility
  • Experience with MCNP and/or KENO
  • Proficiency with a computing language such as Python
  • Security clearance
Additional Requirements

The minimum education and experience for the lowest career level in the job posting range are listed under Minimum Job Requirements. Successful candidates hired into a higher career level than the minimum in the range must meet the requirements listed in the job leveling charts for the career level into which they are being hired.

If a range of Career Levels is posted, i.e., Senior Associate to Senior Specialist, internal applicants already in one of the Career Levels would come across at their current Career Level. Internal applicants currently in a lower level Career Level would move to the lowest posted Career Level. Requires a Q clearance; however all qualified candidates will be considered regardless of their current clearance status.

The ability to obtain and maintain a Department of Energy Q clearance is…

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