Security Clearance Jobs in Herndon, VA

Date Posted:2026-08-07Country:United States of America Location:US-MA-TEWKSBURY-TB1 ~ 50 Apple Hill Dr ~ ASSABET BLDG Position Role Type:Onsite U.S. Citizen, U.S. Person, or Immigration Status Requir...

Who We Are:Headquartered in Washington, DC, Versar Global Solutions provides full mission lifecycle solutions for challenges faced by our government and commercial Customers in the natural, built, and...

Senior Operations Research Analyst Trainer Reston, VAApplyBarbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense ...

ResponsibilitiesMonitor systems for abnormal activityAnalyze alerts, distinguish threats from false positives, categorize incidents by riskLead incident response: containment, eradication, recovery, p...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

OverviewAllied Universal®, North America's leading security and facility services company, offers rewarding careers that provide you a sense of purpose. While working in a dynamic, welcoming, and ...

OverviewVTG is seeking a skilled Data Engineer with at least 5 years of experience designing, building, and maintaining scalable data pipelines and architectures. The ideal candidate will have strong ...

Own the opportunity as a Full-Stack Software Developer and help ensure the mission is never interrupted. At GDIT, we deliver clarity with our cloud solutions and provide meaningful work. Your work wil...

Job Number 13420 Standard Job Description Plans, conducts, and coordinates software development activities. Designs, develops, documents, tests, and debugs software that contains logical and mathemat...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

MANTECH seeks a motivated, career and customer-oriented Expert Software Engineer to join our team in Herndon VA. This role supports the development and enhancement of mission-critical applications to ...

R-00192418Description 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 our customers&...

R-00192266Description As one of Leidos’ oldest and largest programs supporting the Federal Aviation Administration (FAA), the NAS Integration Support Contract (NISC) Program is seeking a qualifi...

R-00190786Description The Leidos Space Force and Air Force Division has an opening for a Space Force Technical Director. The position will be primarily remote but will require some onsite work at our ...

R-00189023Description The McMurdo Area Management Senior Administrative Coordinator will be responsible for a broad range of administrative and organizational support functions while deployed to McMur...

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...

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...

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...