https://newnuclearjobs.com/roles/security/ 11 open nuclear security roles at 5 advanced nuclear companies, most at General Matter (3), Kairos Power (3) and Valar Atomics (3). Updated daily. en Tue, 10 Nov 2026 00:00:00 GMT https://newnuclearjobs.com/jobs/manager-security-operations-terrapower-7792e2/https://newnuclearjobs.com/jobs/manager-security-operations-terrapower-7792e2/Thu, 05 Nov 2026 00:00:00 GMTTerraPower has an open Manager Security Operations position on its Real Estate & Facilities team. The role is based in Bellevue, WA. https://newnuclearjobs.com/jobs/security-specialist-night-shift-valar-atomics-25e7c2/https://newnuclearjobs.com/jobs/security-specialist-night-shift-valar-atomics-25e7c2/Fri, 30 Oct 2026 00:00:00 GMTValar Atomics is looking for a Security Specialist - Night Shift on its Physical Security team. The role is based in Orangeville, Utah, United States. https://newnuclearjobs.com/jobs/spring-2027-security-engineer-intern-the-nuclear-company-8dc844/https://newnuclearjobs.com/jobs/spring-2027-security-engineer-intern-the-nuclear-company-8dc844/Wed, 28 Oct 2026 00:00:00 GMTThe Nuclear Company is hiring a Spring 2027 Security Engineer Intern. The role is based in Washington, DC. https://newnuclearjobs.com/jobs/it-security-analyst-kairos-power-a71f5e/https://newnuclearjobs.com/jobs/it-security-analyst-kairos-power-a71f5e/Wed, 21 Oct 2026 00:00:00 GMTKairos Power is looking for an IT Security Analyst on its Information Technology team. The role is remote-friendly; the listed location is Alameda, CA, Albuquerque, NM, Oak Ridge, TN or Remote. https://newnuclearjobs.com/jobs/information-systems-security-manager-general-matter-6ea1d0/https://newnuclearjobs.com/jobs/information-systems-security-manager-general-matter-6ea1d0/Wed, 21 Oct 2026 00:00:00 GMTGeneral Matter is looking for an Information Systems Security Manager on its Software Engineering team. The role is based in Los Angeles, CA. https://newnuclearjobs.com/jobs/security-programs-manager-kairos-power-b17949/https://newnuclearjobs.com/jobs/security-programs-manager-kairos-power-b17949/Tue, 20 Oct 2026 00:00:00 GMTKairos Power is hiring a Security Programs Manager on its Facilities team. The role is based in Oak Ridge, TN, Albuquerque, NM, Alameda, CA. https://newnuclearjobs.com/jobs/summer-2027-internship-information-security-engineer-general-matter-ed1c9f/https://newnuclearjobs.com/jobs/summer-2027-internship-information-security-engineer-general-matter-ed1c9f/Thu, 15 Oct 2026 00:00:00 GMTGeneral Matter is looking for a Summer 2027 Internship - Information Security Engineer. The role is based in Los Angeles, CA. https://newnuclearjobs.com/jobs/senior-engineer-platform-security-and-reliability-kairos-power-5f9732/https://newnuclearjobs.com/jobs/senior-engineer-platform-security-and-reliability-kairos-power-5f9732/Tue, 13 Oct 2026 00:00:00 GMTKairos Power has an open Senior Engineer, Platform Security and Reliability position on its Operation Technology team. The role is remote-friendly; the listed location is Remote or Alameda, CA. https://newnuclearjobs.com/jobs/senior-security-software-engineer-valar-atomics-491110/https://newnuclearjobs.com/jobs/senior-security-software-engineer-valar-atomics-491110/Tue, 08 Sep 2026 00:00:00 GMTValar Atomics is looking for a Senior Security Software Engineer on its IT & Enterprise Software team. The role is based in Torrance, California, United States. https://newnuclearjobs.com/jobs/senior-network-security-engineer-valar-atomics-52e51a/https://newnuclearjobs.com/jobs/senior-network-security-engineer-valar-atomics-52e51a/Tue, 25 Aug 2026 00:00:00 GMTValar Atomics has an open Senior Network Security Engineer position on its IT & Enterprise Software team. The role is based in Torrance, California, United States. https://newnuclearjobs.com/jobs/security-engineer-general-matter-88b00c/https://newnuclearjobs.com/jobs/security-engineer-general-matter-88b00c/Fri, 29 May 2026 00:00:00 GMTGeneral Matter is looking for a Security Engineer on its Software Engineering team. The role is based in Los Angeles, CA.