Security Clearance Jobs in Herndon, VA

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...

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 environ...

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...

Operations Support SpecialistPosition Type: Full-Time, Exempt or 1099 ContractorWork Location: Herndon, VAClearance: SecretPatriot Group International Inc. (PGI), voted #1 Best Place to Work by Virgin...

Full-Stack Software EngineerReston, VA (Hybrid)TS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing ...

PDS Defense, Inc. is seeking a HR Data Analyst, in Herndon, VA. Job ID#221901 Job Description: As a Data Analyst you will collaborate with stakeholders, design methodologies to solve problems and ...

PDS Defense, Inc. is seeking a Compliance Solutions Specialist, in Herndon, VA. Job ID#221899 Job Description: In this role you will bridge the gap between regulatory requirements and operational ...

For more than a decade, Karthik Consulting has been a reliable and trusted advisor to our Government customers, providing independent and unbiased recommendations and solutions to mitigate risk and he...

Work Arrangement: This is a remote position with travel required for client meetings, industry events, and other business needs. Candidates outside the local area will be considered if they reside in ...

Job Number 727158BR Description:Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities...

DescriptionAmazon Web Services (AWS) is seeking a Solutions Architect to join our National Security team supporting Intelligence Community (IC) customers. As a Solutions Architect on the AWS National ...

Title: DevOps Systems Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our military, intelligen...

Title: Information Systems Security Engineer Location: Herndon, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense, in partnership with our milita...

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...

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...

R-00188584Description Leidos is seeking a Data Intelligence Analyst to support data-driven decision-making by collecting, analyzing, interpreting, and presenting complex information to identify trends...