Head of Safeguards and Security

About the role

General Matter is enriching uranium in America. Our goal is to design, build, and operate the world's lowest-cost enrichment services in the United States. Our mission is to restore America's ability to produce nuclear fuel-fuel that will power AI, advanced manufacturing, critical industries, and the next generation of nuclear reactors. Ultimately, our work will help power national ambitions and enable a high-energy society. We were incubated by Founders Fund, like Anduril and Palantir before us, and are backed by top-tier investors. Our lean, world-class team of engineers and operators is applying a first-principles approach to solving the problem of nuclear fuel production. We are a mission-driven company with a culture of urgency, accountability, and transparency. Help us build a high-energy society by making the cleanest, safest form of baseload energy the most affordable. About This Role General Matter is building domestic uranium enrichment capability in the United States, and this role will own the security program needed to protect the people, facilities, nuclear material, technology, and sensitive information that make that mission possible. The Head of Safeguards & Security will build and lead an integrated security program covering physical security, personnel security, information security, classification, UCNI/CUI, OPSEC, nuclear material safeguards, regulatory readiness, and site security operations. This person will serve as the day-to-day security authority for the site, translating NRC requirements into practical procedures, training, assessments, corrective actions, and operating controls. The role is ideal for a security leader who can operate hands-on in a fast-moving technical environment while building a rigorous, regulator-ready program from the ground up.

Responsibilities

• Build, implement, and lead General Matter's integrated Safeguards & Security program, including physical security, personnel security, information security, classification, UCNI/CUI, OPSEC, insider threat coordination, visitor control, incident response, and security training.
• Serve as the company's security program lead and site security point of contact for NRC, DOE, law enforcement, customers, auditors, and other government stakeholders.
• Support NRC Part 70 licensing and Part 73 physical protection readiness, including safeguards planning, access authorization interfaces, security recordkeeping, inspections, corrective actions, and compliance with applicable license conditions.
• Develop protection strategies for special nuclear material, controlled nuclear information, sensitive technical information, export-controlled information, proprietary technology, and other mission-critical assets.
• Lead classification and information security programs, including classification guidance, Derivative Classifier authorities, document review, marking, transmission, storage, release review, need-to-know controls, classified matter accountability, self-assessments, and corrective actions.
• Support nuclear material control and accountability interfaces, including MC&A planning, graded safeguards, inventory coordination, NMMSS-related reporting interfaces, physical protection integration, and investigation of anomalies or program degradations.
• Own Export Control, CUI, and OPSEC programs, including reviewing official appointments, handling and marking guidance, access controls, public release reviews, threat and vulnerability analysis, countermeasures, training, and periodic assessments.
• Manage facility clearance, access authorization, need-to-know, security education, classified visitor control, classified matter protection, foreign national access, Part 810-sensitive technology transfers, vendor engagement, and international collaboration requirements.
• Lead security investigations, incident reporting, causal analysis, corrective actions, lessons learned, and management briefings for security events, non-compliances, suspected information compromise, unauthorized disclosures, access-control issues, and safeguards concerns.
• Develop performance metrics, dashboards, audit schedules, management updates, training completion reports, open-actions tracking, and inspection-readiness materials for executive leadership and regulators.
• Partner with engineering, operations, licensing, legal, export control, IT/cybersecurity, facilities, EHS, and executive leadership to embed safeguards and security requirements into facility design, construction, commissioning, and operations.

Requirements

• Bachelor's degree in security management, nuclear engineering, criminal justice, or a related technical field.
• 8+ years of experience in safeguards and security, nuclear security, classified information protection, information security, law enforcement, military security, DOE/NNSA security, NRC-regulated security, or another high-consequence regulated environment.
• Experience implementing or managing security

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