Security Clearance Jobs in Reston, VA

Pinnacle Government Solutions is a minority-owned small business that provides Software, AI/ML, and Cloud Engineering Solutions for our Department of Defense, Intelligence Community, and Federal Civil...

Job SummaryZachary Piper Solutions is seeking a seasoned Senior RF Engineer to join our team on-site in Reston, VA. The Senior RF Engineer will spearhead advanced hardware design initiatives and drive...

Piper Companies is hiring a Alternate Facility Security Officer (AFSO) - TS/SCI for a leading world wide tech organization located in Reston, VA. The Alternate Facility Security Officer (AFSO) - TS/SC...

Piper Companies is hiring a Data Center Engineer (TS/SCI Full Scope Polygraph) to support a secure data center environment in the Reston, VA area. The ideal candidate for the Systems Engineer - TS/S...

The application window is expected to close on: 02/13/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . The successful applic...

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...

R-00174257Description Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. At Lei...

R-00174268Description Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. At Lei...

R-00174277Description Leidos is seeking a Staffing Manager to support staffing on a classified program for the Mission Solutions Business Area within the the Intel Sector.  This long-term program...

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...

Position Overview: The Splunk Engineer supports enterprise-wide monitoring, alerting, and analytics across the customer’s operational and security environments. This position develops and maintains c...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

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 ...

"Must be a US Citizen to meet customer and compliance requirements, including potential access to classified information."Minimum qualifications: Bachelor's degree or equivalent practical experience. ...

Minimum qualifications: Bachelor's degree in Computer Science or IT-related field, or equivalent practical experience. 3 years of experience with technical infrastructure (e.g., deployment, maintenanc...