• AeroVironment (Arlington, VA)
    **Worker Type** Regular **Job Description** **Summary** The **Sr. Systems Engineer ** applies systems engineering principles throughout the systems life ... as well as alignment with market data. **Clearance Level** Top Secret with Poly **ITAR Requirement:** _T_...systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    DirectEmployers Association (12/18/25)
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  • AeroVironment (Arlington, VA)
    …+ An active SECRET level clearance. Candidate must be willing to process for TOP SECRET clearance. A TOP SECRET clearance is required throughout ... and critical thinking mindset **DESIRED QUALIFICATIONS:** + An active TOP SECRET Clearance. + NOC/SOC Experience +...systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    DirectEmployers Association (12/24/25)
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  • Applied Research Solutions (Washington, DC)
    **Description** We are seeking a Platform Engineer to support DevSecOps platform infrastructure and operations for mission-critical government systems . This role ... Kubernetes environments while working alongside experienced platform engineers. An active TS /SCI security clearance is required for this position. **Why Work with… more
    DirectEmployers Association (01/13/26)
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  • AeroVironment (Arlington, VA)
    …orientation, gender identity or other legally protected status._ **ITAR** US Citizenship is required. Secret or Top Secret clearance, or the ability obtain a ... and tactical missile systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading edge of technical innovation… more
    DirectEmployers Association (01/13/26)
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  • AeroVironment (Arlington, VA)
    …International Traffic in Arms Regulations (ITAR). + Active US Security Clearance ( Top Secret ) (SCI Preferred). **Other Qualifications & Desired Competencies** + ... systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading...other legally protected status._ **ITAR** US Citizenship is required. Secret or Top Secret clearance,… more
    DirectEmployers Association (12/18/25)
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  • AeroVironment (Washington, DC)
    …orientation, gender identity or other legally protected status._ **ITAR** US Citizenship is required. Secret or Top Secret clearance, or the ability obtain a ... **Worker Type** Regular **Job Description** **Summary** The Senior Director for Middle East & African International...systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading… more
    DirectEmployers Association (10/23/25)
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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 (01/09/26)
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  • Senior Systems Engineer

    Leidos (Chantilly, VA)
    …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

    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 (01/13/26)
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  • Senior Systems Engineer Tier…

    UIC Government Services and the Bowhead Family of Companies (Quantico, VA)
    **Overview** SENIOR SYSTEMS ENGINEER | TIER III (MIELS): Bowhead is seeking Senior Systems Engineers to support a customer in Stafford, VA. Support ... /SCI level with Counter Intelligence Polygraph. US Citizenship is a requirement for Top Secret clearance at this location. \#LI-KC1 Applicants may be subject… more
    UIC Government Services and the Bowhead Family of Companies (01/09/26)
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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 (12/31/25)
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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 (01/12/26)
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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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  • 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 (01/03/26)
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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

    Parsons Corporation (Washington, DC)
    …what's possible. **Job Description:** Parsons is looking for an amazingly talented ** Senior Systems Engineer /Integrator (Palantir - Foundry)** to join ... + Foundry Application Developer certification required **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this… more
    Parsons Corporation (01/08/26)
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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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