Security Clearance Jobs in Herndon, VA

The application window is expected to close on: 2/13/2026Job posting may be removed earlier if the position is filled or if a sufficient number of applications are received.The successful applicant wi...

Worker Type Regular Job Description Summary The Contracts Manager position requires complex thinking skills, with a deep understanding of contract management processes and regulations as they pertai...

The Program Support Specialist will provide comprehensive administrative, operational, and travel management support to a government program office. This role requires a highly organized professional ...

REQUIRED: Active TS/SCI with Full Scope PolygraphLOCATION: Full-time, onsite in Herndon, VA Step into a role where advanced analytics and applied machine learning directly shape the impact of our m...

ResponsibilitiesThe Sponsor requires a budget and contracts specialist with demonstrated experience in U.S. Government and Intelligence Community (IC experience strongly preferred) budget planning and...

R-00177382Description Leidos currently has an opening for a Staffing Manager to support the AGUN program.Candidates will be required to hold and maintain a DOD SECRET CLEARANCE.  JOB DESCRIPTION:...

R-00177242Description Leidos   was awarded   the U.S. Air Force Cloud One Architecture and Common Shared   Services contract, and   currently has   an   opening for  ...

R-00177249Description Leidos   was awarded   the U.S. Air Force Cloud One Architecture and Common Shared   Services contract, and   currently has   an   opening for  ...

R-00177315Description Leidos   was awarded   the U.S. Air Force Cloud One Architecture and Common Shared Services contract   and currently has an opening for the   Cloud   Cy...

R-00177373Description We are looking to hire a skilled GIS developer who can collaborate with the product owner, other developers, and test engineers on the team to produce high quality GIS software a...

R-00177364Description The Health Sector at Leidos currently has an opening for a Pega Certified Senior Systems Architect (CSSA). The customer is primarily located in the Washington DC area, but the po...

Valiant is looking for a VOIP Engineer to join our team! ESSENTIAL DUTIES AND RESPONSIBILITIES: Work as part of a collaborative, multidiscipline team in support of U.S. Government and provide techn...

Valiant is looking for a Build Center Lead/Lab Manager to join our team! ESSENTIAL DUTIES AND RESPONSIBILITIES: Works as a field engineer/hands-on technician and manages these activities in a build ...

R-00177408Description Software Engineer: MQ‑9 Ground Control Station ModernizationLocation: 75% Telecommute . Candidates must be within commuting distance of Colorado Springs.Travel- 25%Company:...

R-00177431Description At Leidos, we deliver innovative solutions and services through the efforts of our diverse and talented people who are dedicated to our customers’ success. Everything we do...

R-00177425Description If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoD’s largest supercomputing centers and operating some of the ...

R-00177409Description Leidos is seeking a Data Scientist (Applied AI – Performance Management) to support a large, mission-critical U.S. Navy program. This role supports a Performance ...

What Impact You'll Have Our team solves unique and challenging intelligence problems for a Special Operations customer. This work is as close to the mission as a technologist can get, so the envir...

What Impact You'll Have Our team solves unique and challenging intelligence problems for a Special Operations customer. This work is as close to the mission as a technologist can get, so the envir...

We are actively seeking a Systems Engineer with a minimum of sixteen (16) years of experience. Required Skills Strong knowledge of Windows and Linux operating systems Familiarity with system harden...