Security Clearance Jobs in Herndon, VA

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Develop and integrate artificial intelligence capabilities and agentic workflows...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Design, develop, test, and productize cutting-edge AI and machine learning algor...

AWS Applied AI Solutions (AAIS) is building toward a future where every business innovates with Amazon AI teammates.To get there, we build AI solutions that improve human capabilities and transform en...

Are you ready to shape the future of how Amazon partners with the world's most influential companies? In this role, you will own the strategy and execution for Amazon's most complex and high-impact bu...

Application deadline: Oct 25, 2026Amazon’s Security team is looking for a Subcontract Security Lead to help stand up and run the industrial-security backbone of a U.S. Government program buildin...

Job Number: R0251958Information Systems Security EngineerThe Opportunity: Are you looking for an opportunity to share your experience in security engineering, cloud security and enterprise risk manage...

Job Description As an Applications Developer, you will be responsible for supporting applications development and operations and maintenance of a variety of systems and initiatives focused on streaml...

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...

Job Number 17880 Standard Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex ...

Job Number 18098 Standard Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex ...

Job Number 18037 Standard Job Description By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex ...

MANTECH seeks a Solutions Engineer - Cyber Practice - Intel & Federal Civilian to join our team in Herndon, VA (Hybrid). The Solutions Engineer - Cyber Practice - Intel & Federal Civilian will serve a...

MANTECH seeks a Mission Growth Specialist - Cyber to join our team in Herndon, VA (Hybrid). The Mission Growth Specialist - Cyber will serve as the business development engine driving cyber capability...

MANTECH seeks a Mission Growth Specialist - Cyber to join our team in Herndon, VA (Hybrid). The Mission Growth Specialist - Cyber will serve as the business development engine driving cyber capability...

MANTECH seeks a Cryptographic Agility & Resiliency Service Line Leader to join our team in Herndon, VA (Hybrid). The Cryptographic Agility & Resiliency Service Line Leader combines deep technical doma...

MANTECH seeks a Defensive Cyber Operations Service Line Leader to join our team in Herndon, VA (Hybrid). The Defensive Cyber Operations Service Line Leader will serve as a pivotal, dual-impact leader ...

MANTECH seeks a Solutions Engineer - Cyber Practice - Defense & Space to join our team in Herndon, VA (Hybrid). The Solutions Engineer - Cyber Practice - Defense & Space will serve as the primary tech...

MANTECH seeks a Cyber-Physical Systems Resiliency & Survivability Service Line Leader to join our team in Herndon, VA (Hybrid). The Cyber-Physical Systems Resiliency & Survivability Service Line Leade...

R-00194996Description Leidos is seeking an exceptional Senior Finance & Business Operations (F&BO) Manager to lead financial operations for the Health Mission & Analytics (HM&A) divisi...

MANTECH seeks Computer Network Operations (CNO) Developer Interns to design and develop technologies to defend, attack and exploit networks in defense of our most critical systems.Our Summer internshi...