Security Clearance Jobs in Reston, VA

Date Posted:2026-10-21Country:United States of America Location:US-MA-TEWKSBURY-TB2 ~ 50 Apple Hill Dr ~ SUDBURY BLDG, Tewksbury Tb2 200 Sudbury Position Role Type:Onsite U.S. Citizen, U.S. Person, o...

Candidates must already possess an active Top Secret/SCI w/ Full Scope Polygraph to be considered. Summary: • Lead software engineering teams to extract value from structured and unstructure...

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what's happening now and shape what's coming next. Vantor is a place for problem solvers, ch...

Job Title: Senior Proposal Solution ArchitectJob Category: EngineeringTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required:...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

Your work days are brighter here.We’re obsessed with making hard work pay off, for our people, our customers, and the world around us. As a Fortune 500 company and a leading AI platform for managing p...

About Agile DefenseAt Agile Defense we know that action defines the outcome and new challenges require new solutions. That’s why we always look to the future and embrace change with an unmovable spiri...

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...

Would you like to implement innovative cloud computing solutions and solve the world's most complex technical problems? Do you have a deep passion and desire to engineer and operate the world's larges...

The AWS Networking organization is looking for a Software Development Engineer to join our Amazon Dedicated Cloud (ADC) Networking team.As a Software Development Engineer on our team, you will define ...

Azure Pipeline Deployment EngineerHerndon, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionab...

Who We Are: At SES Space & Defense, we deliver secure, resilient connectivity and integrated space solutions for customers operating in the world's most demanding environments. As part of SES S.A., a ...

Job Number: R0252209Cybersecurity Project ManagerThe Opportunity:As an IT Project Manager, you know the complexities of supporting a project from concept to completion. Many programs require a signifi...

Job DescriptionPosition SummaryWe are seeking a detail-oriented Senior Software Test Engineer with strong UI testing expertise with backend debugging skills to ensure quality and compliance during the...

Job DescriptionPosition SummaryAs a Senior Level Information Systems Security Officer (ISSO) at Base-2 Solutions you will play a pivotal role in shaping and enhancing cybersecurity initiatives. Essent...

Job DescriptionPosition SummaryAs a Senior Full Stack Developer, you'll be shaping a collaboration software platform based on the popular, open-source Drupal Content Management System and other open-s...

We are a federal IT company on a mission to make customer experience (CX) the center of every government solution.Technology is our Passion. People are our Purpose. We know tech, but we love people. N...

R-00195308Description ​​The Health & Services Sector at Leidos is seeking an experienced Technical Lead / Solution Architect to support the Department of Homeland Security (DHS) Electr...

DescriptionSystems / Technical DirectorAt ICF Next, we are fearless in finding new ways to solve problems, relentless in making sure it pays off for our clients and committed to making a positive chan...

DescriptionSoftware Engineers (Generalists)At ICF Next, we are fearless in finding new ways to solve problems, relentless in making sure it pays off for our clients and committed to making a positive ...