Security Clearance Jobs in Mc Lean, VA

Java DeveloperMcLean, VATS/SCI with PolyAt Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or d...

The Systems Engineer is responsible for the applications infrastructure across all networks. Technical support to make application security compliant. Responsible for tech precepts implementation and...

Graham Technologies is seeking a Technical Writer to support stakeholder engagement and project delivery by providing expert copywriting, copy-editing, formatting, and document quality support for dig...

Graham Technologies is seeking a Business Analyst to support product management and Agile feature development activities. The Business Analyst will help map features and user stories to epics, identif...

Graham Technologies is seeking a UAT Test Lead to create and manage the overarching User Acceptance Testing (UAT) strategy for an enterprise modernization effort. This senior role will lead structured...

Graham Technologies is seeking a Stakeholder Engagement Specialist to support stakeholder coordination, communications, requirements gathering, and engagement activities for a federal government progr...

Now Hiring at AMERICAN SYSTEMS Epsilon, Inc. has joined AMERICAN SYSTEMS! As one organization, we offer expanded resources, streamlined operations, and increased opportunities for growth and developme...

Description ZenPoint Solutions LLC (“ZenPoint Solutions”) is a rapidly expanding Information Technology (IT) services company in the federal sector. We foster a thriving, ambitious work environment th...

SUMMARYLead strategic captures across the Department of Army — driving opportunity shaping, teaming, and capture/proposal execution for high-value pursuits in AI, cybersecurity, cloud, and digital tra...

Job Category: Software EngineeringRequisition Number: SOFTW002293JOB DESCRIPTIONThe Software Engineer will design, develop,configure,supportandmaintainElasticsearchclustersand support the development ...

Job Category: IT Infrastructure and OperationsRequisition Number: SYSTE002292Posting DetailsPosted: September 8, 2026Full-TimeOn-siteLocationsShowing 1 locationTysons CornerTysons Corner, VA, USATyson...

Company OverviewIridium is an award-winning satellite communications company operating the world's only truly global voice and data network, delivering reliable connectivity anywhere on Earth. For mor...

Zachary Piper Solutions is looking for a highly skilled Electrical Engineer to support a leading engineering and systems integration organization. The Electrical Engineer will be responsible for suppo...

Data Engineer III supports the design, development, and deployment of scalable data solutions that enable business insights and operational efficiency. This role works across the data lifecycle to bui...

Program Support SpecialistXcelerate Solutions is seeking a Case Processing Specialist who is responsible for the secure intake, processing, documentation, and delivery of customer case files. You will...

Job SummaryCastalia Systems is seeking a Mid-Level All-Source Analyst to use your specialized functional experience and your attention to detail to conduct all-source analytic production on foreign de...

Job SummaryCastalia Systems is seeking a Mid-Level Western Hem All-Source Analyst to use your specialized functional experience and your attention to detail to conduct all-source analytic production o...

Summary TTG Solutions is seeking a dedicated Systems Engineer to ensure the seamless operation and security compliance of applications infrastructure across all networks. The candidate will play a cru...

Requirements Analyst – DoD Budget & Financial Systems – (Hybrid-Remote) 📍 McLean, VA📌 Full Time | On Site Salary Range: $130,000–$190,000 (negotiable based on experience) TS/SCI with polygraph req...

NewSenior EngineerRemoteApplyThis is a U.S. based position. All of the programs we support require U.S. citizenship to be eligible for employment. All work must be conducted within the continental U.S...