Nuclear Material Control & Accountability Accountant

We have an opening for a highly skilled and detail-oriented Nuclear Material Control & Accountability (NMC&A) Accountant to join our team. In this role you will ensure compliance with Department of Energy (DOE) Order 474.2A and LLNL’s NMC&A Plan by performing Special Nuclear Material (SNM) inventories and resolving discrepancies. This role is critical to maintaining safeguards for nuclear material, enabling the Laboratory to meet its mission of national security. This position supports the NMC&A Project within the Security Organization.

You will

• Conduct data analysis to identify and resolve inventory issues related to the identity, control, and accounting of nuclear materials. Define and implement solutions to ensure compliance with DOE and LLNL requirements.
• Administer and ensure accurate transaction and inventory reporting to the National Nuclear Material Management and Safeguards System (NMMSS). Validate and resolve discrepancies in reporting transactions entered in the Local Area Network Material Accounting System (LANMAS) accounting system.
• Provide information and guidance in response to inquiries requiring research and interpretation of policies and procedures for nuclear materials, sealed sources, Tamper Indicating Devices (TIDs), and material accounting network computing resources.
• Coordinate, interact and determine priorities, schedules, and other delivery requirements with coworkers, MC&A management, NNSA, DOE complex-wide sites, Material Balance Representatives, and programmatic contacts on NMC&A matters, including reports and records.
•  Review and coordinate programmatic plans and forms to authorize shipment, receipt, and transfer of Special Nuclear Material (SNM). Ensure transactions comply with DOE Order 474.2A and the NMC&A Plan, identify discrepancies, and recommend approval actions.
• Conduct assessments, inspections, present findings to management, and collaborate with stakeholders to implement solutions for inventory and procedural discrepancies.
• Assist in meeting information systems security requirements by supporting the development, implementation, and maintenance of systems to ensure data integrity. Provide recommendations on policy and procedural practices related to information systems security.
• Perform other duties as assigned.

Qualifications

• This position requires an active Department of Energy (DOE) Q-level clearance or active Top-Secret clearance issued by another U.S. government agency at the time of hire.
• Bachelor’s degree, in security or related field, or the equivalent combination of education, training, and related experience.
• Ability to interpret, apply, and assess the impact of orders, policies, procedures, and regulatory requirements to ensure compliance with DOE/LLNL standards.
• Analytical skills to resolve inventory discrepancies and ensure accurate reporting of nuclear material transactions.
• Experience in accounting of assets with attention to detail to maintain the integrity of inventory records and systems.
• Experience conducting self-assessments and participating in audits for a specific area within a security discipline.
• Advanced verbal and written communication and collaboration skills to work effectively with internal and external stakeholders.
• Ability to manage and prioritize multiple tasks while maintaining attention to detail and meeting deadlines in a fast-paced environment.
• Proven ability to work independently and as part of a team, with minimal supervision, to achieve long-term goals and objectives.

Qualifications We Desire

• Knowledge of LLNL/DOE practices, policies, and security principles, including regulatory requirements for a specific security discipline.

Pay Range

$95,820 - $117,312 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting; pay will not be below any applicable local minimum wage.  An employee’s position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs. 

Additional Information

#LI-Onsite

Position Information

This is a Career Indefinite position, open to Lab employees and external candidates.

Why Lawrence Livermore National Laboratory?

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit https://www.llnl.gov/inclusion/our-values

Security Clearance

This position requires an active Department of Energy (DOE) L-level or Q-level clearance or an active Secret or Top Secret clearance issued by another U.S. government agency at time of hire. 

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession.  This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.  

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas.  Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

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Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. 

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