Security Clearance Jobs in Reston, VA

Tyto Athene is seeking a Quantum Algorithm Development Lead to lead the development of quantum computing workloads for mission-critical operations of the U.S. Federal Government, DoD, IC, and National...

DevSecOps Engineer II Reston, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of th...

DevSecOps Engineer III Reston, VA Active TS/SCI with Polygraph Company Overview: Cornerstone Defense is the Employer of Choice within the Intelligence, Defense, and Space communities of t...

Job Category: IT Infrastructure and OperationsRequisition Number: CLOUD002182Posting DetailsPosted: June 27, 2026Full-TimeOn-siteSalary Range: $187,179.20 USD to $318,198.40 USDJob DetailsDescriptionG...

Job Category: Systems AdministrationRequisition Number: SYSTE002229Posting Details Posted: July 29, 2026 Full-Time On-site Salary Range: $124,092.80 ...

Job Category: IT Infrastructure and OperationsRequisition Number: NETWO002207Posting DetailsPosted: July 9, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionGC...

Join Our Team as a Cloud Support Engineerat Zachary Piper Solutions!Are you a skilled cloud professional seeking an opportunity to make a real impact? ZPS is seeking a qualified candidate to suppor...

Your work days are brighter here.We're obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

Your work days are brighter here.We're obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

ASRC Federal is a leading government contractor furthering missions in space, public health and defense. As an Alaska Native owned corporation, our work helps secure an enduring future for our shareho...

R-00188356Description Leidos is seeking a Systems Engineer who will work in a group that is working to replace an out of date and fragile system with a modern replacement. The group will then be focus...

R-00185574Description Analysis Solutions Business Area (ASBA) is seeking a Senior Cloud Engineer in Reston, Virginia. The successful candidate will work as a member of a government contractor team man...

DescriptionThe Work: We are seeking a highly skilled ServiceNow Architect with hands-on experience implementing Now Assist and other AI-powered capabilities on the ServiceNow platform. In this role, y...

Riverside OverviewRiverside Research is an independent National Security Nonprofit dedicated to research and development in the national interest. We provide high-end technical services, research and ...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

Are you passionate about defending critical national security systems against evolving cyber threats? Ortman Consulting is seeking a highly motivated Cyber Threat Analyst to support a mission-critical...

Company DescriptionFounded in 1989 and headquartered in Reston, Virginia, SOSi is a private defense and government solutions business specializing in advanced technology systems and mission support. I...

DescriptionICF's Regulatory, Policy and Economics portfolio supports primarily public-sector clients with research, analysis, technical assistance, and implementation support to help them address comp...

Minimum qualifications: Bachelor's degree in Computer Science, Engineering, a related field, or equivalent practical experience. 8 years of experience as a sales engineer or technical consultant in a ...

Minimum qualifications: Bachelor's degree in Engineering, Computer Science, a related field, or equivalent practical experience. 8 years of experience with software development using Python or similar...