Security Clearance Jobs in Reston, VA

Date Posted:2026-09-28Country:United States of America Location:US-MA-MARLBOROUGH-MA3 ~ 1001 Boston Post Rd ~ BLDG 3 Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Require...

ClearanceJobs, on behalf of our confidential customer is seeking a System Administrator who will provide IT and cyber-systems security support. This is a 100% on-site position supporting the Space and...

The Amazon Web Services Professional Services (ProServe) team is seeking a skilled Machine Learning Engineer to join our team at Amazon Web Services (AWS). Are you looking to work at the forefront of ...

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...

Systems EngineerHerndon, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, o...

Job Number: R0238697Nuclear Systems Analyst, Mid The Opportunity: Threats to the nation and our military are regularly evolving and becoming more complex. What if you could apply your proficiency as a...

Who we are: Tria Federal delivers digital services and technology solutions that support the health and safety of veterans, service members and civilians. For two decades, federal agencies have relied...

Job Category: InternsRequisition Number: SYSTE002333Job DetailsDescriptionGCI embodies excellence, integrity and professionalism. The employees supporting our customers deliver unique, high-value miss...

Job Title: Release EngineerLocation: RemoteClearance: Public Trust OR SecretType: Full-time, W2About VivSoft: VivSoft is a mission-driven technology company specializing in Cloud, DevSecOps, Artificia...

Careers at Systems Engineer REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time onsite in Herndon, VAWe’re hiring a Systems Engineer experienced in SAN oper...

Reinventing Geospatial (RGi) is a leading expert in geospatial solutions for Defense, Intelligence, and Federal clients. We enhance situational awareness for soldiers and analysts by integrating softw...

Job Number: R0251882Network Firewall EngineerThe Opportunity:Are you looking for a career-defining opportunity to share your expertise in designing, developing, and implementing innovative network sec...

Emerging Disruptive Technologies (EDT) Analyst - Mid Reston, VA, United States (On-site) Job Title: Emerging Disruptive Technologies (EDT) Analyst - MidJob Code: SSE251Location: Reston, VAReports to:...

DescriptionBison Group - Mission First. People Always.At Bison Group LLC, we're more than a defense contractor - we're a people-focused small business with a strong culture built on trust, respect, an...

DescriptionBison Group - Mission First. People Always.At Bison Group LLC, we're more than a defense contractor - we're a people-focused small business with a strong culture built on trust, respect, an...

DescriptionBison Group - Mission First. People Always.At Bison Group LLC, we're more than a defense contractor - we're a people-focused small business with a strong culture built on trust, respect, an...

Location: Reston, VA with extensive travelExperience Level: Mid to Senior LevelSecurity Clearance: Ability to obtain and maintain a TS/SCI clearance requiredSalary Range: $125,000 - $200,000Come join ...

Zachary Piper Solutions is seeking a Senior UI/UX Software Engineer to support the modernization of mission-critical government applications. This role combines user experience design, frontend develo...

About PeratonPeraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world's leading m...

Description Find opportunities and revenue within the Services segments to build the BD portfolio in support of the group's growth goalsCollaborate with the Corporate Growth and Business Development t...