Top Secret / SCI Clearance Jobs

REQUIRED: Active TS/SCI with Full Scope Polygraph clearanceLOCATION: Full-time, onsite in McLean, VAWe are seeking a Data Scientist (Data Modeler) with hands‑on experience in ECL, HPCC, and large‑scal...

Assured Information Security (AIS) is seeking a DevOps Developer II to contribute to the development and delivery of cross-domain solutions. In this role, you’ll have the opportunity to lead mission-c...

About the role Insight Xcite is seeking Cyber Security Project Engineers in Herndon, Virginia, to support security engineering, architecture, accreditation, risk management, and secure enterprise syst...

About the role Insight Xcite is seeking a Systems Architect in Reston, Virginia, to support enterprise architecture, requirements analysis, technical design, integration, and collaboration across engi...

About the role Insight Xcite is seeking Systems Integrators and Technical Delivery Managers to coordinate complex technical work across secure, mission-critical environments. Multiple openings are ava...

About the role Insight Xcite is seeking senior- and expert-level Voice / VoIP Engineers in Herndon, Virginia, to design, implement, and troubleshoot secure enterprise voice and video solutions. Key Re...

About the role Insight Xcite is seeking an expert-level Network Architect in Sterling, Virginia, to design, evaluate, and modernize secure enterprise network architectures supporting critical mission ...

About the role Insight Xcite is seeking a hands-on Field Engineer / Installer in Fairfax, Virginia, to support deployment, testing, repair, and maintenance of network and communications equipment. The...

STR is hiring a Senior Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting syst...

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

Sophisticated integrated systems play a critical role in national security efforts, facilitating an understanding of the global situation, strategic planning, and tactical execution. The reliability, ...

About the Team The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. At STR, Defense Systems Analysts study complex ...

About the Team The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. At STR, Defense Systems Analysts study complex ...

Zachary Piper Solutions is seeking a Systems Engineer 4 to support a high-visibility national missile defense program focused on Command and Control, Battle Management, and Communications (C2BMC). Thi...

At Accenture Federal Services, nothing matters more than helping the US federal government make the nation stronger and safer and life better for people. Our 13,000+ people are united in a shared purp...

The application window is expected to close on: 09/15/2026Meet the TeamJoin a highly niche security unit dedicated to proactive defense and high-stakes investigation within a secure, onsite environmen...

DescriptionWe are currently seeking a CMMS Engineer to serve as a system mater expert within Amazon data center region. Ideal candidates will posses the ability to design, develop and deploy innovativ...

Job DescriptionAt Boeing, we innovate and collaborate to make the world a better place. We're committed to fostering an environment for every teammate that's welcoming, respectful and inclusive, with ...