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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Associate Laboratory Director, Neutron Sciences
Associate Laboratory Director, Neutron Sciences Oak Ridge, TN, US, 37830 Jul 5, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 5, 2025
Group Leader, Controls Integration
Group Leader, Controls Integration Oak Ridge, TN, US, 37830 Jul 5, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 5, 2025
Electrical Engineer, Entry Level
Electrical Engineer, Entry Level Oak Ridge, TN, US, 37830 Jul 4, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 4, 2025
Protection Systems Engineer
Protection Systems Engineer Oak Ridge, TN, US, 37830 Jul 3, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 3, 2025
Postdoctoral Research Associate
Postdoctoral Research Associate Oak Ridge, TN, US, 37830 Jul 3, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 3, 2025
UT-ORII Fellow: AI-Driven Industrial Energy Systems
UT-ORII Fellow: AI-Driven Industrial Energy Systems Knoxville, TN, US, 37932 Jul 3, 2025 0.00 mi
Knoxville, TN, US, 37932 Jul 3, 2025
R&D Associate - Advanced Monitoring, Diagnosis, and Control
R&D Associate - Advanced Monitoring, Diagnosis, and Control Knoxville, TN, US, 37830 Jul 3, 2025 0.00 mi
Knoxville, TN, US, 37830 Jul 3, 2025
Postdoctoral Research Associate - Industrial Onsite Energy
Postdoctoral Research Associate - Industrial Onsite Energy Oak Ridge, TN, US, 37830 Jul 2, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 2, 2025
Senior Electric Motor Researcher
Senior Electric Motor Researcher Oak Ridge, TN, US, 37830 Jul 2, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 2, 2025
Postdoctoral Research Associate - Industrial Energy Efficiency
Postdoctoral Research Associate - Industrial Energy Efficiency Knoxville, TN, US, 37932 Jul 1, 2025 0.00 mi
Knoxville, TN, US, 37932 Jul 1, 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.