Material Control And Accounting Specialist

About Valar AtomicsAt Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable- unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.
The TeamAs part of the
Engineering
organization, Fuels & Materials develops and qualifies the advanced materials and fuel technologies that form the foundation of Valar's reactor systems. The team ensures performance, reliability, and long-term durability under demanding operating conditions.
The RoleThe Material Control and Accounting (MC&A) Specialist leads the nuclear material safeguards program at Valar Atomics TRISO manufacturing facilities. This position is responsible for ensuring the accurate accounting, control, and protection of special nuclear material (SNM) in compliance with Department of Energy (DOE) and Nuclear Regulatory Commission (NRC) requirements.
Key Responsibilities
Develop, implement, and maintain the MC&A Plan and associated procedures.
Oversee all nuclear material measurements, physical inventories, and material transactions.
Manage material balance areas (MBAs) to ensure accurate material tracking.
Ensure timely and accurate reporting to the Nuclear Materials Management and Safeguards System (NMMSS).
Maintain nuclear material accounting records and documentation in accordance with regulatory requirements.
Conduct material balance evaluations and resolve inventory differences.
Ensure facility compliance with NE O Order 474.2 (Nuclear Material Control and Accountability).
Implement requirements of NE O Order 470.4B (Safeguards and Security Program).
Support compliance with International Atomic Energy Agency (IAEA) Additional Protocol requirements where applicable.
Stay current on regulatory changes and implement updates to the MC&A program as required.
Prepare for and support regulatory inspections, audits, and assessments.
Support inspections and domestic safeguards reviews as required.
Implement and maintain tamper-indicating device (TID) programs for material protection.
Manage the measurement control program including calibration, quality control, and uncertainty quantification.
Conduct limit of error of inventory difference (LEID) analysis and statistical evaluations.
Ensure effective integration of MC&A with physical protection and security systems.
Apply knowledge of non-proliferation principles to safeguards program design and implementation.
Support DOE/ NRC assessments, surveys, and vulnerability analyses.
Conduct internal audits of MC&A processes and implement corrective action programs.
Lead root cause analyses for inventory differences or safeguards anomalies.
Drive continuous improvement of safeguards effectiveness and efficiency.
Prepare management reports on MC&A program performance and status
You Will Be Successful in This Role If
You hold yourself and your work to an exceptional standard of accuracy
You collaborate effectively across organizational boundaries
You approach regulatory inspections and audits with confidence and transparency
You demonstrate ownership over program performance and culture
You remain composed and adaptive in a dynamic regulatory environment
Basic Qualifications
Experience in nuclear material control and accounting or nuclear safeguards.
Experience at a site handling Special Nuclear Material;
commercial, DOE, NNSA facility, National Laboratory, etc.
Demonstrated knowledge of DOE/ NE O orders (474.2, 470.4B) and NRC regulations (10 CFR 74).
Experience with MC&A software systems and database management.
Preferred Skills and Experience
Familiarity with destructive assay (DA) and non-destructive assay (NDA) techniques.
Experience with statistical analysis, measurement uncertainty, and error propagation methods.
Strong understanding of nuclear material types, forms, and measurement techniques.
Excellent written and verbal communication skills.
Ability to manage multiple priorities in a highly regulated environment.
Knowledge of physical protection systems and their integration with MC&A
What We Offer
Competitive base salary
Equity ownership in a rapidly growing advanced energy company
Comprehensive medical benefits
Unlimited PTO
Free daily lunch and dinner provided onsite
Generous PPE stipend
High-impact startup environment with significant ownership and autonomy
Opportunities for rapid career growth and internal advancement
Direct collaboration with experienced operators, engineers, and industry leaders
The opportunity to help build and scale transformative energy technology from the ground up
Equal Employment Opportunity StatementValar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.
We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.
Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder).
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