Security Clearance Jobs in Herndon, VA

Title: DevOps Systems Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our military, intelligen...

Title: Information Systems Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our milita...

DescriptionApplication deadline: Jul 27, 2026 This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance with polygraph. The Amazon ...

Deliver simple solutions to complex problems as a Cloud Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development...

Deliver simple solutions to complex problems as a Cloud Engineer at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application development...

DEVOPS ENGINEER PRINCIPALTransform technology into opportunity as a DevOps Engineer Principal at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your eng...

Own the opportunity as a Scrum Master and help ensure the mission is never interrupted. At GDIT, we deliver clarity with our cloud solutions and provide meaningful work. Your work will be an important...

Transform technology into opportunity as a Software Developer at GDIT. Shape what's next for mission-critical government projects while shaping what's next for your engineering career.MEANINGFUL WORK ...

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...

At Two Six Technologies, we build, deploy, and implement innovative products that solve the world's most complex challenges today. Through unrivaled collaboration and unwavering trust, we push the bou...

Job Category: Program Delivery and ExecutionRequisition Number: SEAWO002220Posting Details Posted: July 21, 2026 Full-Time On-site Salary Range: $142...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Conduct penetration testing and ethical hacking to assess and exploit vulnerabil...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Conduct penetration testing and ethical hacking to assess and exploit vulnerabil...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Design, develop, and maintain complex systems spanning multiple network fabrics ...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Manage and maintain complex software applications using a diverse technology sta...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Manage and maintain complex software applications using a diverse technology sta...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Design, develop, and maintain complex systems spanning multiple network fabrics ...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Build data pipelines and ETL workflows using Python, Java, and Bash. • Ut...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Build data pipelines and ETL workflows using Python, Java, and Bash. • Ut...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Develop data pipelines in Palantir environments. • Manage workflows, conf...