National Nuclear Security Administration

Yolanda Walker says working at NNSA has taught her that people from every background have a role in the agency. (And the celebrity-spotting isn't bad, either!)

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Careers

NNSA consists of over 50,000 federal and contract employees at labs, plants, and sites nationwide.

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A look at the U.S. nuclear stockpile

A visual look at current U.S. nuclear stockpile. The National Nuclear Security Administration ensures a safe, secure, and reliable nuclear stockpile.

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NNSA News

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NNSA announces contract extension to Consolidated Nuclear Security for the management and operation of the Y-12 National Security Complex and the Pantex Plant

NNSA and Japan commit to convert Japan’s last research reactor that uses highly enriched uranium

NNSA awards $14 million for materials research at Case Western Reserve University

NNSA Administrator Jill Hruby commemorates the 30th anniversary of the Divider nuclear explosive test

Comments Invited on Notice of Intent to Prepare a New Los Alamos National Laboratory Site-Wide Environmental Impact Statement

NNSA announces exercise of terms for Nevada National Security Site management and operating contract

NNSA’s Hruby visits South Korea to discuss national security, nonproliferation, and nuclear security issues

NNSA Administrator visits Japan, announces nonproliferation milestone, and discusses nuclear security cooperation

45 kilograms of highly enriched uranium safely removed from Japan and returned to the United States

NNSA hosting virtual job fair for Nuclear Security Enterprise on June 29

Nuclear Security Enterprise locations

A U.S. map showing the various locations of labs, plants, and sites in the Nuclear Security Enterprise.