Security Clearance Jobs in Herndon, VA

R-00181763Description We are seeking a dynamic Travel Construction Manager (Civil Engineer) to support the National Airspace System Integration Support Contract (NISC IV). In this role, you will suppo...

Job Number 724781BR Description:By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our...

Job Number 719792BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

R-00183508Description The NISC IV program at Leidos is seeking a motivated and detail-oriented Junior Digital Forensics Analyst to join our cybersecurity team. In this role, you will assist with digit...

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...

OverviewThe Software Engineer will work as part of an agile development team to design, develop, test, and maintain applications supporting customer requirements. The position requires strong full‑sta...

ISI is looking for a proactive and customer-focused Support Engineer I to join our IT team. This role is ideal for individuals eager to grow their skills in IT support, networking, and compliance whil...

Industrial Security Integrators, LLC (ISI Enterprises) is seeking a Project Manager to join our dynamic PMO team. This role is ideal for a results-driven professional with experience managing IT moder...

ISI is looking for a proactive and customer-focused Support Engineer II to join our IT team. This role is ideal for individuals eager to grow their skills in IT support, networking, and compliance whi...

Industrial Security Integrators, LLC (ISI Enterprises) is seeking a motivated and detail-oriented Junior Cloud Engineer to join our team. The ideal candidate will have hands-on experience in Microsoft...

GenAI Software Engineer Location: Springfield, VA 50% & Herndon, VA 50% Clearance: TS/SCI CI Poly Description of Services/Responsibilities: Create runbooks capturing resolutions to common issues Int...

OVERVIEW L2T, LLC is a fast-growing, high-tech company based out of Northern Virginia. We invest in the future, and we want to invest in you. We'll take your technical passion and offer you growth op...

OVERVIEW L2T, LLC is a fast-growing, high-tech company based out of Northern Virginia. We invest in the future, and we want to invest in you. We'll take your technical passion and offer you growth op...

DescriptionApplication deadline: Jun 16, 2026Frontier AI is moving faster than infrastructure has ever had to keep up with. We're hiring a Senior Technical Program Manager to deliver server and GPU ca...

ResponsibilitiesCreate runbooks capturing resolutions to common issuesIntegrate GenAI with Customer workflowsBuild new modules within the GAEA applicationDeep understanding of and ability to implement...

ResponsibilitiesWe are seeking an experienced Engineering Manager to support a large, highly technical, on-site program. The Engineering Manager will work closely with the contract Program Management ...

Zachary Piper Solutions is seeking a Java Software Engineer to support a Government Consulting company located in Herndon VA through 100% onsite work. The Java Software Engineer will provide Agile Dev...

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...

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...

Are you passionate about creating clear documentation for highly complex systems? We may have the Tech Writer position you've been seeking! The Tech Writer III is a senior-level position responsible f...