Security Clearance Jobs in DHS, VA

Core4ce is seeking a talented Personnel Security Clearance Specialist in support of a government customer in Chesapeake, VA. The ideal candidate will be responsible for providing data validation and t...

Percival is seeking Computer Network Operations (CNO) Software Developers skilled in Assembly, C/C++, and Python programming to build advanced cyber capabilities supporting national security missions....

Activity Security Representative III Lorton, VA | Special Access Program (SAP) Job Description: • The Activity Security Representative’s primary function is to provide multi-disciplined security...

Position OverviewQinetiQ has an immediate opening for a Space Systems Engineer support the next generation development for our Advanced Fire Control Cell. The candidate will provide technical input an...

Position OverviewJoin us in our fast-paced support to the Space Development Agency (SDA). Recognized as the Department of Defense's constructive disruptor for space acquisition, SDA delivers space-bas...

Anduril Industries is a defense technology company with a mission to transform U.S. and allied military capabilities with advanced technology. By bringing the expertise, technology, and business model...

This position is 100% Onsite. This position is in Arlington, VA, with occasional/situational travel. Education Bachelor’s Degree Location: Lorton, VA. Schedule ...

Careers at Network/Systems Engineer (Cyber Security Architect) REQUIRED:  Active TS/SCI with Full Scope PolygraphLOCATION: Full-time onsite in Chantilly, VA We are...

The OSINT Sales Engineer is the technical backbone of growing and expanding the OSINT portfolio. This role translates mission needs into credible technical solutions, supports deal execution from firs...

This role is an execution engine. The Junior Consortium Analyst supports the Consortium Manager by keeping vendors, data, schedules, and communications moving on time and in the right direction. The a...

This role owns how complex ideas are explained, visualized, and defended. The Senior Technical Writer, Graphics Designer, and & Visual Communications team member is responsible for producing clear, te...

The ICDC Consortium Manager is the operational backbone of the Intelligence Community Data Consortium (ICDC). This role owns the end-to-end commercial data ecosystem on behalf of the U.S. Intelligence...

Application deadline: Oct 27, 2026Do you love decomposing problems to develop products that impact millions of people around the world? Would you enjoy identifying, defining, and building software sol...

How would you like to build the AWS Cloud Computing business for the United States Department of War? Would you like to be part of a team focused on cloud transformation and adoption of Amazon Web Ser...

Duties •Lead a mission-focused cyber threat intelligence section within CISA Threat Hunting, supervising federal employees and coordinating contractor support to deliver timely, accurate, and actionab...

Technical Tasks: Implement and maintain RAG pipelines, including document processing, embedding generation, retrieval configuration, and prompt assembly. Integrate LLMs into applications using availab...

Please note that the availability of this position is contingent upon.Benefits:At Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyone's success. To t...

Benefits: At Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyone's success. To that end, we provide employees with a best-in-class benefits package t...

Please note that the availability of this position is contingent upon contract award.Benefits:At Prescient Edge, we believe that acting with integrity and serving our employees is the key to everyone'...

Position Overview:OBXtek seeks a Senior Project Portfolio Manager to lead assigned federal customer programs, contracts, and task orders with accountability for delivery, employee development and rete...