Enter a job title or keyword

NMC&A Operations Senior Manager

Consolidated Nuclear Security

Job Location:

Oak Ridge, TN - USA

Monthly Salary: Not provided by the employer

Posted: 23 September 2026 (19 hours ago)

Application Deadline: 21 December 2026

Vacancies: 1 Vacancy

Job Summary

Location: Oak Ridge TN
Job Title: NMC&A Operations Senior Manager
Career Level From: Senior Manager
Career Level To:
Job Specialty: NMC&A

What Youll Do

The Senior Manager NMC&A Operations provides strategic leadership and operational oversight for the Material Control Technical and Measurement Support and Accounting functions within the Nuclear Material Control and Accountability (NMC&A) department. This position is responsible for developing and implementing cohesive strategies to ensure the robust protection control and accurate accountability of special nuclear materials (SNM) in strict adherence with Department of Energy (DOE) and National Nuclear Security Administration (NNSA) requirements. The incumbent will lead and mentor diverse technical teams drive continuous process improvement and serve as a subject matter expert in resolving complex operational issues and discrepancies.

The successful candidate will lead the evaluation and coordination of significant site changes including large-scale demolition and construction projects. The Senior Manager will develop and deploy adaptive strategies to ensure NMC&A infrastructure and processes are seamlessly integrated with evolving site modifications. This requires acting as a key liaison with site planning construction and operations teams to mitigate risks ensure operational continuity and transition through the sites changes to maintain control and accountability of its nuclear material inventory.

The Senior Manager ensures the effective planning documentation and implementation of processes for the protection control and inventory management of special nuclear materials. Serves as a subject matter expert in material control investigations and directs the analysis of material flows to ensure proper accountability. Ensures the validity and reliability of all special nuclear material quantification measurements. Directs the maintenance and evaluation of measurement equipment oversees the departments computing infrastructure and provides scientific and technical guidance on measurement physics and statistical analysis. Ensures the effective functionality of the nuclear material accounting system and accurate reporting to DOE headquarters. Oversees data integrity directs material accounting and reconciliation processes and coordinates with production and IT to ensure system requirements are met.

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

Bachelors degree: Minimum 10 years of relevant experience. Minimum 5 years of management experience.
OR 18 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

A minimum of 7 years of relevant security NMC&A or operations experience NMC&A or operations is desired.
Experience/familiarity with Y-12 nuclear operations nuclear material accounting system handling/storage/processing of accountable nuclear materials vulnerability assessments and roll up evaluations is highly desirable.
Must have prior experience in facilities and a general knowledge of plant facilities and operations.
Requires excellent verbal and written communication skills and ability to interface effectively with various clients (production and support organizations).
Requires the ability to manage multiple tasks simultaneously.

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.

This position may require entry into the Material Access Areas (MAA) and participation in the Human Reliability Program (10 C.F.R. Part 712) which requires successful competition of a DOE counterintelligence evaluation and may include a counterintelligence-scope polygraph examination.

This position may be categorized as a designated position identified by 10 C.F.R. Part 709 requiring successful completion of a DOE counterintelligence evaluation that may include a counterintelligence-scope polygraph examination.

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.

Required Experience:

Senior Manager

Apply Now