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.
There are currently no open positions matching this category or location.
The 10 most recent jobs posted by Oak Ridge National Laboratory are listed below for your convenience.
Watch jobs in this category
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Postdoctoral Research Associate - Environmental Scientist
Oak Ridge, TN, US, 37830
Mar 22, 2026
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Postdoc - Theory-in-the-loop of Autonomous Experiments for Materials-by-Design
Oak Ridge, TN, US, 37830
Mar 21, 2026
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Postdoctoral Research Associate - Process Monitoring of Directed Energy Deposition of Metals
Knoxville, TN, US, 37931
Mar 21, 2026
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Postdoctoral Research Associate - Computational Radiation Protection Scientist
Oak Ridge, TN, US, 37830
Mar 21, 2026
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