National Security Jobs

National Security

Protecting U.S. citizens through discovery and innovation

The National Security Sciences Directorate leads scientific and technological breakthroughs to confront some of the nation’s most difficult security challenges. We develop applications needed for the security of our nation today and target our vision on how these challenges may manifest themselves in a decade or more.

Our research and development focuses on cybersecurity and cyber physical resiliency, data analytics, geospatial science and technology, nuclear nonproliferation, and high-performance computing for sensitive national security missions. We also enhance ORNL contributions to national security challenges by working closely with leading researchers at the lab in areas such as nuclear and chemical sciences and engineering, applied materials, advanced manufacturing, biosecurity, transportation, and computing.

 

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National Security

Protecting U.S. citizens through discovery and innovation

ORNL’s strengths in advanced materials, nuclear science, and supercomputing are addressing complex national security challenges in the areas of nuclear nonproliferation, national defense, homeland protection, and intelligence.

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Postdoctoral Research Associate - Building Sensing and Control
Postdoctoral Research Associate - Building Sensing and Control Oak Ridge, TN, US, 37830 May 9, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 9, 2025
Scientific Associate II
Scientific Associate II Oak Ridge, TN, US, 37830 May 9, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 9, 2025
Postdoctoral Research Associate - AI for Science
Postdoctoral Research Associate - AI for Science Oak Ridge, TN, US, 37830 May 9, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 9, 2025
Postdoctoral Research Associate- Analytical Chemist
Postdoctoral Research Associate- Analytical Chemist Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025
Postdoctoral Research Associate - Structural Biology, Biochemistry and Biophysics Oak Ridge, TN, US, 37830 May 8, 2025
Postdoctoral Research Associate- Correlated and Topological Materials
Postdoctoral Research Associate- Correlated and Topological Materials Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025
Utility Operator
Utility Operator Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025
Chemical Spectroscopy Instrument Scientist
Chemical Spectroscopy Instrument Scientist Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025
Senior R&D Staff - Nuclear Fuel Cycle Management Analyst
Senior R&D Staff - Nuclear Fuel Cycle Management Analyst Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025
Cyber Operations OT Analyst & Research Liaison (Hybrid Eligible)
Cyber Operations OT Analyst & Research Liaison (Hybrid Eligible) Oak Ridge, TN, US, 37830 May 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 May 8, 2025

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Oak Ridge National Laboratory is managed by UT-Battelle for the Department of Energy.

ORNL is an equal opportunity employer; learn more. All qualified candidates, including individuals with disabilities and protected veterans, are encouraged to apply. ORNL is an E-Verify employer; learn more. If you have difficulty using the online application system or need accommodation to apply due to a disability, please email: ORNLRecruiting@ornl.gov.