Security Clearance Jobs in Herndon, VA

L3Harris is dedicated to recruiting and developing high-performing talent who are passionate about what they do. Our employees are unified in a shared dedication to our customers' mission and quest fo...

Senior DevSecOps Engineer (Systems Engineer III)Business Development - San Diego, CaliforniaThis position requires an ACTIVE DoD security clearance. Applicants who do not currently hold an active clea...

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 ...

Piper Companies is looking for a Application Developer to join a government contractor supporting a national security initiative. This role requires the candidate to have an active Top Secret Clearanc...

OverviewWe are seeking an experienced Windows Systems Engineer to support a mission-focused enterprise environment, responsible for designing, implementing, and maintaining Windows-based infrastructur...

Own the opportunity as a Scrum Master and help ensure the mission is never interrupted. At GDIT, we deliver clarity with our cloud solutions and provide meaningful work. Your work will be an important...

Description Ren X Tech | People -Focused. Mission -Obsessed. At RenXTech, we're not just different, we're better. We handpick talent, ensuring every team member aligns with our mission and va...

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 ...

R-00191735Description Cyber Security Engineer – C‑UAS Network Communication System (NCS)Locations: Huntsville, AL and Alexandria, VA. Telecommuting may be available.Clearance: Active Secre...

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...

Systems Administrator to assist with database sizing and management as well as perform routine maintenance and administration tasks on the infrastructure hosting our applications, including our develo...

DescriptionApplication deadline: Sep 14, 2026 This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance. The Amazon Web Services Pr...

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...

Zachary Piper Solutions is seeking an App Developer (multiple positions open for a range of experience levels) to support a national leading aerospace and global security program! The role is fully o...

R-00191696Description Leidos is seeking a Systems Administrator to support the Military OneSource program. This is a full-time, remote role supporting a government customer and requires strong technic...

R-00191663Description Leidos Health and Services Sector currently has an opening for a Call Center Triage Consultant I, contingent upon shift availability,   to work remotely inside the United St...

Responsibilities:Reverse-engineer software and firmware and conduct vulnerability research across a range of targets and architectures.Develop proof-of-concept exploits and produce clear findings that...

Deliver simple solutions to complex problems as a SCRUM Master Advisor at GDIT. Here, you'll tailor cutting-edge solutions to the unique requirements of our clients. With a career in application devel...