The leaders of the National Nuclear Security Administration.
The office works to create an environment that is free of discrimination and embraces and values all NNSA employees.
Congressional and Intergovernmental Affairs (NA-CI)
The mission is to support NNSA's programs through interactions with local, tribal, state, and congressional stakeholders.
Cost Estimating and Program Evaluation (CEPE)
The office provides independent, data-driven analysis on all aspects of the Nuclear Security Enterprise.
Counterterrorism and Counterproliferation (NA-80)
The mission is to counter the threats of stolen or misplaced radioactive materials, a nuclear weapon out of the control of a nation-state, or an improvised nuclear device.
Defense Nuclear Nonproliferation (NA-20)
The office works globally to prevent state and non-state actors from developing nuclear weapons or acquiring weapons-usable nuclear or radiological materials, equipment, technology, and expertise.
Defense Nuclear Security (NA-70)
The office maintains security across all NNSA sites and facilities. It also administers DOE/NNSA security clearances.
Its mission is to ensure that the United States has a safe, secure, and reliable nuclear stockpile. It is also responsible for the transport of special nuclear materials and equipment.
The office leads the Department of Energy's response for all-hazards events and continuity operations.
Environment, Safety, and Health (NA-ESH)
The office provides corporate safety and health programs, responsive and efficient packaging and transportation, nuclear materials integration, enterprise waste management, and sustainable environmental stewardship.
Its mission is to provide legal advice on a wide variety of complex issues to facilitate achievement of the NNSA's national security mission
Information Management (NA-IM)
The office is responsible for information technology, information management, and cybersecurity for NNSA.
The office is responsible for the planning, design, acquisition, operation, maintenance, recapitalization, and disposition of NNSA’s facilities and infrastructure, to achieve world-class infrastructure delivery.
The organization provides NNSA with administrative, human resources, and financial support. Budget information is here.
Naval Nuclear Propulsion Program (Naval Reactors) (NA-30)
Its mission is to provide the U.S. Navy with effective nuclear propulsion plants and ensures their safe, reliable and long-lived operation.
Partnership & Acquisition Services (PAS)
The office manages M&O and other contracts, contracting and financial assistance policy and oversight, and acquisition support for field, functional, and program offices.
Policy and Strategic Planning (NA-1.1)
The office develops critical recommendations for senior leadership with respect to enterprise-wide strategic planning, governance and management, and policy.
The office communicates and answers questions about the agency's missions, goals, and news to the public.