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 - Geothermal Energy Techno-Economic Analysis for Roadmap Extension Knoxville, TN, US, 37932 Jul 8, 2025
Postdoctoral Research Associate - Redox Flow Batteries and Membranes
Postdoctoral Research Associate - Redox Flow Batteries and Membranes Oak Ridge, TN, US, 37830 Jul 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 8, 2025
Research Scientist - Urban AI
Research Scientist - Urban AI Oak Ridge, TN, US, 37830 Jul 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 8, 2025
Senior Research Scientist for Industrial Process Heating
Senior Research Scientist for Industrial Process Heating Knoxville, TN, US, 37932 Jul 8, 2025 0.00 mi
Knoxville, TN, US, 37932 Jul 8, 2025
Automated Quality Control and Quality Assurance
Automated Quality Control and Quality Assurance Oak Ridge, TN, US, 37830 Jul 8, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 8, 2025
Postdoc Research Associate - Quantum Materials Synthesis and Characterization, AI-Enabled Automation Oak Ridge, TN, US, 37830 Jul 7, 2025
Postdoctoral Research Associate - Part-Scale Simulations for Advanced Manufacturing Oak Ridge, TN, US, 37830 Jul 7, 2025
Document Management and Records Specialist (Part-time)
Document Management and Records Specialist (Part-time) Oak Ridge, TN, US, 37830 Jul 7, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 7, 2025
Postdoctoral Research Associate - Energy materials synthesis and exploration with neutron scattering Oak Ridge, TN, US, 37830 Jul 7, 2025
Postdoctoral Research Associate
Postdoctoral Research Associate Oak Ridge, TN, US, 37830 Jul 7, 2025 0.00 mi
Oak Ridge, TN, US, 37830 Jul 7, 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.