Congressional and Intergovernmental Affairs

NNSA's Office of Congressional and Intergovernmental Affairs communicates, promotes, and defends the mission, goals, and budget of the NNSA through proactive outreach and relationship building with federal, state, and local stakeholders.​

Cost Estimation and Program Evaluation

The Office of Cost Estimating and Program Evaluation provides the administrator with independent, data-driven analysis on all aspects of the Nuclear Security Enterprise, leading to better mission planning and performance. Accurately estimating costs, assessing alternatives, and evaluating NNSA’s program performance are vital to national security and the responsible expenditure of taxpayer dollars.

Information Technology

NNSA's Office of the Associate Administrator for Information Management and Chief Information Officer (OCIO) is the principal organization for information management, information technology (IT), and cybersecurity for NNSA. It provides NNSA with enterprise cybersecurity capabilities and assists with the detection, analysis, and mitigation of cybersecurity threats and incidents. The office also has the responsibility for fostering a culture of information sharing and ensuring that IT investments and projects across NNSA are coordinated, have the necessary cybersecurity protections, and are in alignment with the NNSA Strategic Plan and DOE requirements and objectives.

The office is responsible for NNSA computing activities, including:

  • application development, integration, and deployment
  • application hosting
  • video teleconferencing
  • brokering commodity desktop and voice service


The Office of Policy serves as a source of independent policy analysis and advice for the NNSA Administrator. The mission of the office is to focus on long term, strategic views of nuclear trends and develop recommendations for leadership to advance NNSA. The office anticipates emerging nuclear-related issues, reappraises existing policies for effectiveness and necessity, and recommends basic policies critical to the conduct of NNSA’s overall mission. Through strategic coordination, the Office of Policy connects NNSA’s mission, mission-support, partner organizations, and appropriate government agencies for coordinated efforts to integrate long-term policies and goals.

Public Affairs

The Office of Public Affairs makes available timely and accurate information so that the public and the news media may assess and understand the facts about NNSA's missions and activities in an effort to advance the agency's nuclear security mission.