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Criticality Safety Officer

Y-12 National Security Complex
Oak Ridge, TN Full Time
POSTED ON 7/8/2026
AVAILABLE BEFORE 8/6/2026
Location: Oak Ridge, TN

Job Title: Criticality Safety Officer

Career Level From: Associate

Career Level To: Senior Specialist

Job Specialty: Nuclear/High Hazard Operations

What You'll Do

  • Provide technical guidance to ensure proper implementation of nuclear criticality safety (NCS) requirements to assure fissile materials are processed, stored, transferred, and handled safely so that personnel and property are protected against a criticality accident.
  • Verify adequate implementation of requirements and controls on equipment, processes, and procedures is established for new or revised criticality safety documents.
  • Implement and oversee processes to ensure compliance with criticality safety requirements and NCS command media requirements.
  • Review, from an operations perspective, and provide input to criticality safety documentation; assist with resolving minor non-compliances and deficiencies along with proactively monitoring trends to reduce future issues.
  • Develop and control NCS posting requirements.
  • Perform CSO surveillances.
  • Coordinate changes in NCS documentation between Operations and the Criticality Safety Office.
  • Facilitate consistency, standardization and simplicity in the application of Criticality Safety across production operations.

Accountabilities

  • To the Criticality Safety Office Manager and Criticality Safety Management & Integration Senior Director for the establishment, maintenance, and implementation of a defined criticality safety office and integration of production and engineering functions to support nuclear criticality safety for Y-12.
  • To the facility Production Directors for resolution of conflicting priorities, ensuring a healthy respect for Conduct of Operations principles, and interpreting policies or procedures when questions arise regarding criticality safety principles and applications.

Authorities

  • Assist with the definition and/or resolution of conflicts regarding implementation of criticality safety requirements.
  • Assist with abnormal response to criticality safety issues when required to maintain compliance with policies and procedures governing Y-12 operations.

What You Can Expect

  • Meaningful work and unique opportunities to support missions vital to national and global security.
  • Top-notch, dedicated colleagues.
  • Generous pay and benefits with a stable organization.
  • Career advancement and professional development programs.
  • Work-life balance fostered through flexible work options and wellness initiatives.

Minimum Job Requirements

  • Bachelor’s degree: No experience.
  • OR Master’s degree: No experience.
  • 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).
  • Eight or more years of education and/or relevant experience may be considered to satisfy educational and years-of-experience requirements for this posting.

Preferred Job Requirements

  • Bachelor's degree in Nuclear Safety or Engineering.
  • Seven (7) years of operations experience in areas involving NCS requirements.
  • Knowledge and understanding of the Criticality Safety analysis process, Conduct of Operations, Integrated Safety Management, Security Programs, and other safety management programs.
  • Proficient communicator, both orally and in writing among various levels of the organization.
  • Some understanding of technical operations; knowledge of plant operations, services, and structure, Conduct of Operations, and Integrated Safety Management.

Why Y-12?

You get #morethanajob. We encourage employees to achieve a healthy personal balance among home, work and the community. One of the ways we embrace work-life balance is by offering flexible work arrangements that provide alternatives to the traditional workweek, while still meeting business needs. Top talent and personal commitment mean more to our success than any other factors, so we reward our people with the kinds of benefits that make a positive difference in the quality of their lives. Benefits such as: medical plan, prescription drug plan, vision plan, dental plan, employer matched 401(k) savings plan, disability coverage, education reimbursement and many more. Want to stay healthy and fit but hate the cost of a gym membership? Take advantage of one of our onsite workout facilities and eat healthy in our onsite cafeterias. Much more than a workplace, at Y-12, you can build a career that lasts a lifetime.

Notes

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 required.

Position may require entry into Materials Access Areas (MAA) and participation in the Human Reliability Program (HRP). If HRP is required, candidate must complete a counterintelligence-scope polygraph, pursuant to 10CFR 709. Medical requirements may apply.

CNS is a drug-free workplace. Candidates accepting a job offer will be required to pass a pre-placement physical, drug screening and background investigation. As an employee, you may be required to receive and maintain a security clearance from the United States Department of Energy in order to meet eligibility requirements for access to sensitive information or matter. U.S. citizenship is a requirement for security clearance applicants. All employees are subject to being randomly selected for drug testing without advance notification.

CNS is an equal opportunity employer. All qualified applicants will receive consideration for employment based on merit and without regard to race, color, religion, sex, sexual orientation, national origin, protected veteran status or disability.

Salary.com Estimation for Criticality Safety Officer in Oak Ridge, TN
$87,449 to $112,025
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