• Senior Systems Engineer

    CACI International (Columbia, MD)
    Senior Systems Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee ... Join our dynamic Network Security Implementation and Sustainment (NSIS) Services team as a Systems Engineer . In this role, you will play a pivotal part in… more
    CACI International (12/18/25)
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  • Senior Systems Engineer

    The Metamorphosis Group (Chantilly, VA)
    Senior Systems Engineer , TS /SCI &FSP Chantilly, VA . Government/Military Apply Now Job Description The Metamorphosis Group, Inc, TMG, has an immediate ... opening for a Senior Systems Engineer , to act...opening for a Senior Systems Engineer , to act in a Lead...facing missions. MUST BE US CITIZEN MUST HAVE ACTIVE TS /SCI with FSP US Veterans Preferred **ABSOLUTELY NO THRID… more
    The Metamorphosis Group (12/10/25)
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  • Senior Systems Engineer

    Jacobs (Chantilly, VA)
    Knack Workes, a Jacobs company, is seeking a highly skilled Senior Systems Engineer / Network Engineer with 10+ years of IT experience and proven ... engineering role responsible for designing, deploying, and supporting enterprise systems , network monitoring platforms, and automation solutions that ensure high… more
    Jacobs (12/24/25)
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  • Senior Systems Engineer

    RTX Corporation (Dulles, VA)
    …balance practices. **Location:** **Near Springfield, Virginia** **What You Will Do** + The Senior Systems Engineer provides systems engineering and ... citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the...a safer, more secure world. Raytheon is seeking a Senior Systems and Integration Engineer more
    RTX Corporation (10/14/25)
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  • Senior Systems Engineer

    Leidos (Gaithersburg, MD)
    …Advantage Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected ... candidate will lead systems engineering activities across the enterprise to help the...St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able… more
    Leidos (11/22/25)
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  • Senior Systems Engineer

    KBR (Bethesda, MD)
    Title: Senior Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology ... position based upon contract award KBR is seeking a Senior Systems Engineer to join...system development and implementation, system testing, etc. + Active TS /SCI clearance is required + Ability to derive an… more
    KBR (10/02/25)
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  • Responsible AI Senior Systems

    Alaka'ina Foundation Family of Companies (Washington, DC)
    Responsible AI Senior Systems Engineer Location DC...Must be US Citizen + Must have an Active Top Secret clearance with SCI Eligibility The Alaka`ina ... Family of Companies (FOCs) has a potential need for a Responsible AI Senior Systems Engineer to provide support for our government customer in National… more
    Alaka'ina Foundation Family of Companies (11/07/25)
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  • Senior Systems Engineer

    Leidos (Gaithersburg, MD)
    …(IPSD), part of the Decision Advantage Solutions Business Area is currently seeking a Senior Systems Engineer for the Chinook Program on the Advanced ... user workgroups, and vendors to manage the 4ACES platform **Clearance Level Required:** Top Secret clearance with SCI required. Ability to successfully pass a… more
    Leidos (10/04/25)
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  • Senior Systems Engineer

    RTX Corporation (Dulles, VA)
    …problems that create a safer, more secure world. Raytheon Technologies is seeking a Senior Systems Engineer (MBSE) to provide enterprise-wide systems ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (10/13/25)
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  • Senior Systems Engineer

    SAIC (Washington Navy Yard, DC)
    **Description** **SAIC** is seeking a ** Senior Systems Engineer ** at the **Navy Yard** in **Washington, DC** . **Job Duties** : + Provide tailored systems ... the acquisition and life-cycle management of submarine and undersea systems to include all phases of project and ...of a submarine Program Office. + Must have a SECRET clearance with the ability to obtain and maintain… more
    SAIC (12/03/25)
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  • Senior Systems Engineer

    Synergy ECP (Columbia, MD)
    Senior Systems Engineer Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP was formed in July ... age, disability, veteran status, or any other protected class. Clearance Required: TS /SCI Other Requirements: US Citizenship Job Description: This position is for a… more
    Synergy ECP (10/22/25)
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  • Senior Systems Engineer

    ManTech (Washington, DC)
    **MANTECH** seeks a motivated and career-focused ** Senior Systems Engineer ** to join our team onsite in **Washington, DC** In this role you will play a vital ... role in planning and designing enterprise systems infrastructure while providing deep technical expertise...analyst capacity **Clearance Requirements:** + Must hold an active Top - Secret clearance. **Physical Requirements:** + The person… more
    ManTech (12/07/25)
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  • Senior Systems Engineer

    Belay Technologies (Columbia, MD)
    …to Work 2019, runner up in 2020 and a finalist in 2021! Belay Technologies is seeking a Senior Systems Engineer to join our intel team. This is a brand new, ... questions into database design solutions. Candidates should have the following qualifications: + TS /SCI Clearance with polygraph + 12 yrs, BS or 4 additional yrs in… more
    Belay Technologies (11/04/25)
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  • Senior OPIR Systems Engineer

    KBR (Chantilly, VA)
    Title: Senior OPIR Systems Engineer KBR is seeking a highly qualified OPIR Systems Engineer to provide Systems Engineer Technical Advisor ... (SETA) support for a USG Agency. As a Senior OPIR Systems Engineer , you...lead discussions across multiple groups Clearance Requirement: + Active Top Secret /SCI security clearance with a current… more
    KBR (12/11/25)
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  • Senior GEOINT Systems

    KBR (Chantilly, VA)
    Title: Senior GEOINT Systems Engineer - Processing KBR is seeking a Senior GEOINT Systems Engineer to be part of our team supporting our ... information distributed to US Government Intelligence Community and Military users. The GEOINT Systems Engineer serves as an advisor to support the Government in… more
    KBR (11/07/25)
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  • Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer - Acquisition KBR is seeking a Senior SIGINT Systems Engineer to be part of our team supporting our ... information distributed to US Government Intelligence Community and Military users. The SIGINT Systems Engineer serves as an advisor to support the Government in… more
    KBR (12/09/25)
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  • Senior SIGINT Systems

    KBR (Chantilly, VA)
    Title: Senior SIGINT Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced ... the future of space defense. KBR is seeking a Senior SIGINT Systems Engineer to...development of related briefing materials Minimum qualifications: + Active TS /SCI with Polygraph + Bachelor's degree in Engineering or… more
    KBR (12/16/25)
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  • Senior Scientist, Systems

    L3Harris (Herndon, VA)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Senior Scientist, Systems Engineer Job Code: 32407 Job Location: Herndon, ... technical business development skills winning DoD/Government programs or CRAD + Active Top Secret Security Clearance. Preferred Additional Skills: + Experience… more
    L3Harris (12/24/25)
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  • Senior SIGINT Systems

    Sciolex Corporation (Chantilly, VA)
    …and is committed to ensuring you receive the utmost employee care. Responsibilities As the Senior SIGINT Systems Engineer , you will help guide new and ... well as perform the following functions as a SIGINT Systems Engineer , by using a holistic approach...Develop architecture products. Qualifications & Physical Requirements + Active Top Secret /SCI with Poly. + Bachelors in… more
    Sciolex Corporation (10/09/25)
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  • Senior Systems Integration…

    Leidos (Columbia, MD)
    **Description** **Leidos** has a new and exciting opportunity for a ** Senior Systems Integration Engineer ** in our **National Security Sector's (NSS) Cyber & ... a difference in National Security!** **Job Summary** As a Senior Systems integration Engineer you...engineering experience (any process area). + Must possess active ** TS /SCI with polygraph** clearance to be considered for this… more
    Leidos (12/03/25)
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