Security Clearance Jobs in Herndon, VA

Date Posted:2026-08-28Country:United States of America Location:US-MA-TEWKSBURY-TB3 ~ 50 Apple Hill Dr ~ CONCORD BLDG, Tewksbury Tb3 300 Concord Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

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...

R-00191970Description Leidos is seeking a Site Activation Lead to support the Kazakhstan National 2 (KN-2) program. This role will plan and lead on-site deployment and activation activities for intern...

R-00191932Description The AI/ML Data Scientist will work closely with mission stakeholders, business process analysts, data analysts, AI/ML engineers, automation engineers, enterprise architects, data...

R-00191790Description Leidos is seeking highly qualified professionals to support the TSA FOCUS Program. We are especially interested in connecting with current incumbent personnel supporting this mis...

R-00191796Description Leidos is seeking highly qualified professionals to support the TSA FOCUS Program. We are especially interested in connecting with current incumbent personnel supporting this mis...

R-00191798Description Leidos is seeking highly qualified professionals to support the TSA FOCUS Program. We are especially interested in connecting with current incumbent personnel supporting this mis...

R-00190316Description Leidos is seeking a Senior AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common ...

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...

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...

Data Engineer MUST HAVE A TS/SCI WITH A FULL SCOPE POLYGRAPH Location: Herndon Position Description: The Data Engineer will leverage their expertise with Python to support the customer’s data pipeline...

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...

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...

DescriptionThe Amazon Dedicated Cloud (ADC), AWS Commerce Platform team is hiring a cleared Systems Development Engineer to join the team. This is an exciting opportunity to use the latest cloud compu...

DescriptionShape the future of secure communications for the world's most critical missions. As a Principal Technical Program Manager for SCS TEMEG, you'll define the strategy and lead customers and c...

R-00191819Description Leidos is seeking highly qualified professionals to support the TSA Focus Program.We are especially interested in connecting with current incumbent personnel supporting this miss...

R-00191836Description Leidos is seeking highly qualified professionals to support the TSA FOCUS Program.We are especially interested in connecting with current incumbent personnel supporting this miss...

R-00191805Description Leidos is seeking highly qualified professionals to support the TSA FOCUS Program.We are especially interested in connecting with current incumbent personnel supporting this miss...