Security Clearance Jobs in Herndon, VA

Job #: 3053810 Apex Systems is currently hiring a Network Engineer (Riverbed Modeler SME) with a large federal client. As a Network Engineer, you will serve as a technical leader responsible for desi...

Assured Information Security (AIS) has an opening for a Security Operations Manager/Facility Security Officer. In this role you’ll be responsible for security management, including Contract Program Se...

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 ...

Cyber Security Systems Engineer (ISSE)Herndon, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing acti...

Job Number: R0250597Data Engineer, LeadThe Opportunity: Ever-expanding technology like IoT, machine learning, and artificial intelligence means that there's more structured and unstructured data avail...

DutiesAs a Supervisory Industrial Security Specialist Field Office Chief, you will be responsible for effectively Leading, Directing, Managing and Integrating Field Office operations within the assign...

R-00193393Description Leidos is seeking an experienced Oracle E-Business Suite (EBS) Functional Analyst to support the U.S. Department of Health and Human Services (HHS), Administration for Strategic ...

R-00193386Description Leidos is seeking a multi-facet Business Analyst supporting IT Change Management, Training & Documentation for HHS ASPR's Strategic National Stockpile (SNS).  Contin...

R-00193390Description Leidos is seeking an experienced cGMP Validation Quality Assurance Analyst with strong Oracle EBS testing experienceto support the U.S. Department of Health and Human Servic...

R-00193383Description Leidos Digital is seeking a Technical Project Leader – Senior BI / Power BI Builder to support U.S. Coast Guard digital transformation, automation, and decision-support ini...

R-00192448Description Leidos is seeking a summer intern with a Computer Science, Software Engineering, Systems Engineering, or similar technical background to join our team in support of the SMIT con...

R-00193450Description Leidos is seeking a Solid Propulsion Development Engineer to lead and oversee work on a hypersonics vehicle and other programs, joining a diverse team that develops propulsion sy...

R-00188599Description Leidos is seeking a Lead AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Ba...

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...

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...

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...

Experience:  10+ years of relevant experience on DoD or Federal Civilian programs supporting DevSecOps activities.    Responsibilities:  On-prem and cloud integrating multiple tools incl...

The application window is expected to close on: 10/29/2026The successful applicant will be performing work on US Government classified environments, and therefore, must be a U.S. Person (i.e., U.S. Ci...

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...