Security Clearance Jobs in Herndon, VA

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Develop full-stack web applications utilizing Angular, HTML5, CSS3, SCSS, and Ty...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Develop full-stack web applications utilizing Angular, HTML5, CSS3, SCSS, and Ty...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Design, develop, and deploy advanced software solutions leveraging deep networki...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Design, develop, and deploy advanced software solutions leveraging deep networki...

Full Req: Role : Tanzu NSX Engineer Duration: 4-month contract Location: Remote Essential Duties and Responsibilities This is a migration from NSX to Tanzu Experienced person for exist...

Akima, LLC and its operating companies represent an uncommonly broad array of specialized talents, technologies, and domain expertise, powering some of the most visible and demanding programs across a...

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...

Position Description & QualificationsThe Centers for Medicare & Medicaid Services (CMS) Comprehensive Error Rate Testing (CERT) program plays a vital role in safeguarding the integrity of the Medicare...

MANTECH seeks a motivated, career and customer-oriented CNO Vulnerability Researcher to join our team . This position can be worked in Hanover, MD, Herndon, VA or San Antonio, TX. In this role, you wi...

In a world of possibilities, pursue one with endless opportunities. Imagine Next! At Parsons, you can imagine a career where you thrive, work with exceptional people, and be yourself. Guided by our ...

MANTECH seeks a motivated, career and customer-oriented Technical Project Manager to join our team in a hybrid role supporting client locations in the DC, MD, and VA (DMV) area.The Technical Project M...

R-00188650Description Leidos Health and Services Sector currently has an opening for a Workforce Analyst to work remotely . This is an exciting opportunity to use your experience helping the Military ...

R-00188563Description Gibbs & Cox, a wholly owned subsidiary of Leidos, is the largest independent naval architecture and marine engineering firm in the United States. Since our founding in 1929, ...

R-00184292Description Job Description:Leidos is seeking a Senior Data Analyst to join our Defense Enclave Services (DES) team, who will support an extensive digital modernization program critical to t...

DescriptionAWS Secure Connection Services (SCS) is looking for an experienced Software Development Engineer to join our growing team that will be building solutions to complex problems that will scale...

DescriptionAWS Secure Connection Services (SCS) is looking for an experienced Software Development Engineer to join our growing team that will be building solutions to complex problems that will scale...

5.387-06 S/W Q.A. Spec./App Tester – Senior (TS/SCI with FSP Required) Location: Herndon Salary: No salary provided RCT Systems has an opening for an Automated tester who will work as part of a small ...

The application window is expected to close on: 08/05/2026 Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received . This role can be perf...

Zachary Piper Solutions is seeking an Application Developer to support a company focused on delivering mission-critical technology solutions for government and defense initiatives. This position is on...

Zachary Piper Solutions is seeking a junior or mid-level App Developer (targeting JAVA experience) to support an intelligence program. This position is fully on site in Herndon, VA. This is a long-te...