Security Clearance Jobs in Arlington, VA

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...

DescriptionApplication deadline: May 24, 2026In this role, you will establish deep business and technical relationships with an AWS partner through your knowledge of the customer's mission managing co...

Title:Data Scientist IIBelong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers in the intelligence and ...

STR is hiring a Principal Model-Based Systems Engineer (MBSE) in our Woburn, MA office (other locations : Dayton, OH & Arlington, VA ) to work across a broad portfolio of DoD mission areas. The System...

STR is hiring a Lead Model-Based Systems Engineer (MBSE) in our Woburn, MA office to work across a broad portfolio of DoD mission areas. The Systems Engineer should have experience architecting system...

About the Team: The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. We have a particular focus on airborne/surface/...

About the Team: The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. We have a particular focus on airborne/surface/...

About the Team The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. The Systems Autonomy, Analysis, and Modeling (S...

About the Team: The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. We have a particular focus on airborne/surf...

About the Team The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. At STR, Defense Systems Analysts study complex ...

About the Team The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. At STR, Defense Systems Researchers study co...

About the Team: The Sensors Division at STR focuses on technology development for advanced sensor systems and platforms in support of national security. We have a particular focus on airborne/surface/...

The Alaka`ina Foundation Family of Companies (FOCs) is looking for a Program Manager to support our government customer located in Arlington, Virginia . This position is 100% on site. DESCRIPTION OF ...

The Sponsor conducts strategic research and development and requires support in the evaluation, system design, and software engineering support to transition, primarily open source, software prototype...

Our Partner is supporting a U.S. Government customer to provide support for onsite incident response to civilian Government agencies and critical asset owners who experience cyber-attacks, providing i...

Duties You will plan and execute senior-level forums and executive events. You will coordinate projects, schedules, agendas, and event logistics. You will prepare executive briefings and maintain le...

Duties Serves as a lead planner for SecAF and CSAF Strategic Execution Group (SEG), Air Force Director of Staff. Serves as a lead executor for SecAF and CSAF Strategic Execution Group (SEG), Air Force...

The DHS's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactive hunting for malicious cyber activity. Fa...

The DHS's Hunt and Incident Response Team (HIRT) secures the nation's infrastructure. HIRT provides DHS's front-line response for cyber incidents and proactive hunting for malicious cyber activity. Fa...

The DHS's Hunt and Incident Response Team (HIRT) secures the Nation's cyber and communications infrastructure. HIRT provides DHS's front line response for cyber incidents and proactively hunting for m...