Security Clearance Jobs in Thornton, CO

ClearanceJobs Worforce Solutions is seeking a Site Reliability Engineer – Infrastructure Operations for our client based in San Francisco, CA. Our client is a cutting-edge startup delivering AI-bas...

Cybercore is looking for a Tier 1 System AdministratorCore Responsibilities:Respond to user inquiries via phone, email, chat, or ticketing systemsLog and track support requests using help desk ticketi...

Application deadline: Applications will be accepted on an ongoing basisThis position requires that the candidate selected be a US Citizen and currently possess and maintain an active Top Secret securi...

Application deadline: Nov 9, 2026This position requires that the candidate selected be a US Citizen and currently possess and maintain an active Top Secret security clearance with SCI eligibility or h...

Application deadline: Nov 8, 2026This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance.The Amazon Web Services Professional Ser...

Advanced Space | Full-time | Onsite We’re going to the Moon. Think you’ve got what it takes?    About the Role  At Advanced Space, we're enabling humanity's return to the Moon and build...