Security Clearance Jobs in Reston, VA

TEKsystems is seeking an experienced and motivated Senior Network Engineer to support the Defense Threat Reduction Agency (DTRA) on the Integrated Information Technology Support Services (I3TS) contra...

Piper Companies is hiring a DevOps Engineer with a TS/SCI CI Polygraph for a large technical organization located in Reston, VA. The DevOps Engineer - TS/SCI Full Scope Poly will be designing, impleme...

Zachary Piper Solutions is seeking a Cloud Support Administrator to join a Secure Operations Center (SOC) team providing 24x7x365 operational support for Azure core and Office365 platforms. This role ...

R-00184312Description Chinese Language-Enabled OSINT Collector (Junior)Looking for an opportunity to make an impact?  At Leidos, we deliver innovative solutions through the efforts of our di...

R-00184286Description Looking for an opportunity to make an impact?  At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to o...

Tyto Athene is seeking a Director of Post-Quantum Cryptography to architect our vision for quantum-resilient security. You will be the technical and strategic engine behind our PQC risk remediation pr...

In accordance with Washington state law, we are highlighting our comprehensive benefits package, which is available to all eligible US based employees. Benefits for this role include:Health, dental, v...

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...

DescriptionThe Engineer in this role will be supporting DIA customers in the maintenance, functionality, and sustainment of Zero Trust Environments. This support will include, but is not limited to, w...

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...

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...

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You'll work with leading companies across industries, helping them shape their hybrid cloud and...

Required SkillsWindows, Linux, Cloud provisioning, Website builds, basic software development, developing tech ops plans, developing technical capabilities, misattrib procurement, persona identify han...

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than ...

Cleared Escort with TS/SCI Clearance with Full Scope PolyHerndon, VAJoin IDS International’s Cleared Programs team supporting secure and mission-critical environments.Cleared Escorts support secure fa...

Job Category: Systems AdministrationRequisition Number: EXPER001982Posting Details Posted: March 9, 2026 Full-Time On-site Salary Range: $142,792 USD...

This is a generic requisition for employees who are interested in GCI opportunities within the Strategic Services Group (SSG).  All positions are contingent on customer approval.GCI, a managed af...

Job Category: Information SecurityRequisition Number: INFOR001991Posting Details Posted: March 13, 2026 Full-Time On-site Salary Range: 110,260.8 to ...

Job Category: Network EngineeringRequisition Number: NETWO001970Posting Details Posted: April 13, 2026 Full-Time On-site Salary Range: 110,260.8 to 1...

Job Category: IT Infrastructure and OperationsRequisition Number: NETWO002109Posting DetailsPosted: May 8, 2026Full-TimeOn-siteSalary Range: $164,382.40 USD to $274,518.40 USDJob DetailsDescriptionGCI...