- CACI International (Arlington, VA)
- Infrastructure Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: None Employee Type: Regular Percentage of ... Posting End: 7/28/2025 **The Opportunity:** CACI is seeking a versatile Infrastructure Engineer to support the Federal Protective Service (FPS) across a distributed… more
- KBR (Reston, VA)
- …Simulation Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to ... contributions will be pivotal in designing and optimizing defense systems that ensure national security and shape...Key Responsibilities: KBR is seeking a Modeling & Simulation Engineer to join a team of quantitative analysts and… more
- Lockheed Martin (Herndon, VA)
- …want to build a better tomorrow with you\. We are seeking a System Engineer to participate in the design, development, test and maintenance of complex mission ... application software and database applications supporting multiple programs within National Security Space \(NSS\)\. Looking for someone who is \(or is willing to… more
- GCyber (Arlington, VA)
- …+ Active DoD Top Secret/SCI security clearance + Bachelor's Degree in Information Systems , Engineering or equivalent + 3+ years primary role operating, ... GCyber is seeking a Rapid Response Senior Network Engineer , to support a high profile DISA customer....solutions to enhance efficiency and scalability. + Ensure network security and compliance by collaborating with security … more
- CACI International (Springfield, VA)
- Cross Domain Provisioning Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... Assurance Technical (IAT) Level II + Experience with Linux operating systems ; understanding of general operating system security practices, TCP/IP networking,… more
- L3Harris (Dulles, VA)
- …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr Specialist, Software Engineer with AI/ML Job Code: 20394 ... Job Description: L3Harris is seeking to hire a Software Engineer with a desire to develop software applications and...software development in C/C++ and Python + Collaborate with Systems and Integration and test engineers to ensure design… more
- L3Harris (Lynchburg, VA)
- …the space, air, land, sea and cyber domains in the interest of national security . Job Title: Sr. Specialist, Software Engineer Job Code: 22157 Job Location: ... Job Description: L3Harris is seeking a Sr. Specialist Software Engineer with focus on system test, and automation. Our...& hardware for terminals, and network infrastructure equipment and systems as well as servers and AWS applications. +… more
- KBR (Chantilly, VA)
- …space defense. This is a contingent position based upon contract award KBR is seeking a Systems Engineer to join our team in the Northern Virginia area. In this ... System Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our… more
- Leidos (Chantilly, VA)
- …(GCSA), CISSP, CEH, or equivalent security certifications + Experience with security information and event management (SIEM) tools and threat intelligence ... Security Sector is seeking a skilled Senior Pipeline Engineer to join a new cyber security ...program and play a key role in supporting government-critical systems . You will be part of a program that… more
- General Dynamics Information Technology (Chantilly, VA)
- …+ Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Engineering **Skills:** Active Directory (AD),DNS,Group Policy Management **Experience:** ... learning, in support of a geographically dispersed, state of the art systems that seamlessly integrate Microsoft services. Candidates with proven depth creating… more