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NMC&A Accounting Manager

Consolidated Nuclear Security

Job Location:

Oak Ridge, TN - USA

Monthly Salary: Not provided by the employer

Posted: 21 August 2026 (15 hours ago)

Application Deadline: 18 November 2026

Vacancies: 1 Vacancy

Job Summary

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

What Youll Do

The Nuclear Material Control & Accountability (NMC&A) department is seeking an Accounting Manager to take overall ownership of the nuclear material accounting system functionality and lead site reporting to the Nuclear Materials Management and Safeguards System (NMMSS) at DOE Headquarters. This critical leadership position is responsible for ensuring the absolute integrity of nuclear material tracking managing a specialized accounting team that oversees both internal material movements and external regulatory compliance. The incumbent will provide strategic oversight to ensure that all nuclear material transactions inventories and system updates are executed accurately resolving any complex systemic or operational discrepancies that arise.

This role requires a deep understanding of advanced NMC&A principles Generally Accepted Accounting Principles (GAAP) and the scientific foundations of material behavior including nuclear material quantity calculations chemical and physical form changes measurement requirements and process flows. The manager must intimately understand how these scientific and accounting aspects of nuclear material mapping impact and relate to the broader safeguards of nuclear materials. Key responsibilities include interfacing with production personnel security teams and IT programmers to translate complex material tracking requirements into automated system solutions. This work is essential to the sites security and mission directly enhancing the precision of material tracking and ensuring robust safeguards across all facilities.

Provides oversight and direction to the internal accounting team managing all modeling mapping and material accounting activities for any material movements or adjustments internal to Y-12. Ensures that the nuclear material accounting system is continuously monitored for discrepancies and that appropriate accurate updates are implemented. Coordinates closely with shop floor system programmers and IT developers to translate operational requirements into functional software driving the automation of the accounting system to establish a more seamless and reliable material tracking flow.

Evaluates coordinates and implements the site-wide physical inventory program in accordance with approvals and frequencies managed by the Officially Designated Federal Security Authority (ODFSA). Directs the positive assurance verification process which relies on discrete item checking reconciled through barcode labels barcode readers and mobile reading devices. Ensures that inventory data collected in the field is accurately evaluated and reconciled by the accounting team maintaining this process as a cornerstone of the NMC&A program that is heavily relied upon by multiple other disciplines.

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 of 7 years of relevant security NMC&A or operations experience

Preferred Job Requirements

Masters degree and previous NMC&A Accounting experience is desired
Experience/familiarity with Y-12 nuclear operations nuclear material accounting system handling/storage/processing of accountable nuclear materials and roll up evaluations is highly desirable
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:

Manager

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