• Lead, Chief SATCOM Systems Engineer

    L3Harris (Dulles, VA)
    …+ Requires an active DoD Secret Clearance and ability to obtain a TS / SCI Preferred Additional Skills: + Active TS / SCI security clearance ... interest of national security. Job Title: Lead, Chief SATCOM Systems Engineer Job Code: 24211 Job Location:...through a DoD dedicated gateway which accesses the Defense Information Systems Network (DISN). It is capable… more
    L3Harris (05/29/25)
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  • Space Software Systems Engineer

    L3Harris (Chantilly, VA)
    …and its application in software systems Preferred Additional Skills: + Active TS / SCI security clearance is preferred + Experience with other MBSE tools and ... the interest of national security. Job Title: Specialist, Software Systems Engineer Job Code: 25279 Job Location:...of prior related experience + Ability to obtain a TS / SCI security clearance + 2+ years experience… more
    L3Harris (06/27/25)
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  • TS / SCI Systems

    IBM (Chantilly, VA)
    …We are seeking an experienced Senior Systems Engineer with US Government Top Secret / SCI security clearance with Full Scope Polygraph to support a ... available system architectures * REQUIRED ON DAY 1: Active Top Secret / SCI security clearance +...field, or equivalent experience * 7+ years' experience in systems engineering or related field * Operating Systems more
    IBM (07/30/25)
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  • Systems Engineer Senior

    CACI International (Washington, DC)
    …Experience with military grade communication systems and security protocols + Active Top Secret / SCI clearance + Relevant certifications such as CISSP, ... Systems Engineer Senior Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel… more
    CACI International (07/02/25)
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  • Enterprise Architect / Systems

    Leidos (Bethesda, MD)
    …an experienced, results oriented Information Technology (IT) Enterprise Architect or Systems Engineer to join our team in the Bethesda, Maryland area. ... **Leidos** has a new and exciting opportunity for an **Enterprise Architect / Systems Engineer ** in our **National Security Sector's (NSS) Cyber & Analytics… more
    Leidos (07/09/25)
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  • Cyber Systems Engineer

    ManTech (Herndon, VA)
    Mantech seeks a highly technical and mission focused **Cyber Systems Engineer ** to join our team in **Herndon, VA** . This position can also be based in McLean, ... Diploma and 11+ years of experience as a Cyber Engineer , Systems Engineer or similar...communication skills **Clearance Requirements:** + Must have a current/active TS / SCI w/Polygraph clearance **Physical Requirements:** + The… more
    ManTech (07/26/25)
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  • RF Systems Engineer with polygraph

    Leidos (Columbia, MD)
    …difference in National Security!** **Job Summary:** Leidos is seeking a highly motivated Systems Engineer with hands-on experience in both Linux and Windows ... is required. + Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, Engineering Management, or related discipline… more
    Leidos (07/30/25)
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  • Systems Engineer 4

    M. C. Dean (Vienna, VA)
    information ; **ACTIVE SECRET Clearance with the ability to obtain a TS / SCI is REQUIRED** **Position / Candidate Requirements** . + Education: Computer ... the world for the better. We are seeking a ** Systems Engineer 4** to join our **Security...and reliable solutions that meet all organizational Cybersecurity and Information Assurance requirements. + Experience with Data Center Automation… more
    M. C. Dean (07/15/25)
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  • Senior SIGINT Systems Engineer

    Solvarus (Chantilly, VA)
    …key to successful enterprise mission objectives. We are seeking a senior SIGINT systems engineer to provide Systems Engineering Technical Assistance (SETA) ... support to a government Enterprise Systems Engineer . The program is responsible for...small satellites and experiments. Qualifications: + Current and Active TS / SCI with CI Poly Security Clearance. +… more
    Solvarus (08/04/25)
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  • Sr. RF Systems Engineer

    KBR (Chantilly, VA)
    Title: Sr. RF Systems Engineer Job Posting Description KBR is seeking a highly qualified Sr Radio Frequency (RF) Systems Engineer to join our team. The ... of impacting mission threats + Experience support wargames and exercises Security Requirements: TS / SCI with Poly required to be considered for this position… more
    KBR (06/24/25)
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