Security Clearance Jobs in Reston, VA

Core4ce is seeking a talented Personnel Security Clearance Specialist in support of a government customer in Chesapeake, VA. The ideal candidate will be responsible for providing data validation and t...

Percival is seeking Computer Network Operations (CNO) Software Developers skilled in Assembly, C/C++, and Python programming to build advanced cyber capabilities supporting national security missions....

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

Do you like helping the U.S. Army and broader Department of War implement cloud computing solutions and solve difficult technical problems? Do you have a knack for helping these groups understand appl...

Application close date:Applications will be accepted on an ongoing basis until the requisition is closed.At Blue Origin, we envision millions of people living and working in space for the benefit of E...

The Aerospace Corporation is the trusted partner to the nation's space programs, solving the hardest problems and providing unmatched technical expertise. As the operator of a federally funded researc...

The application window is expected to close on: 11/11/2026U.S. Person holding an Active TS/SCI clearance with polygraph.Must relocate or live in the listed TerritoryMeet the TeamCisco Federal Sales Pr...

Job Number: R0252208Vulnerability Management Lead The Opportunity: Booz Allen is seeking a Vulnerability Management professional to support DoD clients by modernizing ACAS capabilities and designing...

Job Number: R0252207Cybersecurity Technical WriterThe Opportunity: Develop and maintain documentation for processes such as deployment diagrams, standard operating procedures, manuals, instructions an...

Red Gate is seeking a technically proficient, mission-focused Product Owner to support DTRA's rapid prototyping capability , which delivers data-driven, AI-enabled, and geospatial solutions to Combata...

Zachary Piper Solutions is seeking a Senior Information Systems Security Officer (ISSO) to support the modernization of a mission-critical government information system. This role is responsible for l...

Zachary Piper Solutions is seeking a Senior Software Test Engineer to support the modernization of a mission-critical government information system. This role combines advanced software testing, UI va...

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...

DescriptionICF is looking for an enthusiastic Senior DevOps Engineer to join our team and help build out the future of GSA's Login.Gov. If you are DevOps Engineer interested in applying your expertise...

R-00195233Description Know the mission. Understand what's getting in the way. Help shape what comes next.Leidos Intelligence Sector is seeking a senior leader to help shape the future of our relat...

R-00195227Description Leidos is seeking a driven DIA Account Manager to join our rapidly growing Analysis Solutions Business Area (ASBA) team! The Account Manager will work closely with our BA senior ...

R-00195223Description The National Solutions Business Area has a new opportunity for a Senior Business Development Manager to lead growth activities for the NRO. This is an outstanding opportunity to ...

R-00195211Description The Leidos Digital Sector is seeking a qualified Capture Manager to support the pursuit of opportunities across the Military Services markets. The Capture Manager is respons...

R-00195209Description The Leidos Digital Sector is seeking a qualified Senior Capture Manager to support the pursuit of opportunities across the Military Services markets. The Senior Capture Mana...