• Systems Engineer - Junior

    Parsons Corporation (Centreville, VA)
    … Engineering or a related field + Must be a US Citizen + Must possess and maintain Top Secret SCI clearance with CI poly + Must have Linux command line ... and Systems team is hiring a Junior Systems Engineer with a passion for mission...quality assurance (QA) experience **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security… more
    Parsons Corporation (12/06/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …Must have an active Secret at the time of hire with the ability to obtain a Top Secret with SCI . + Must be a US Citizen. Preferred Additional Skills: + ... Schedule: 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) performs technical planning, system...Active Top Secret with SCI . +… more
    L3Harris (11/01/25)
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  • Systems Engineer (All Skill Levels)

    Lentech, Inc (Hanover, MD)
    …technical solutions to support our high-profile intelligence community clients. Systems Engineer : Analyzes user's requirements, concept of operations ... REQUIRED QUALIFICATIONS: Bachelor's degree in system engineering, Computer Science, Information Systems , Engineering Science, Engineering Management, or related… more
    Lentech, Inc (12/18/25)
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  • Crypto Systems Engineer

    KBR (Chantilly, VA)
    Title: Crypto Systems Engineer Belong. Connect. Grow. with KBR! Support the Directorate by evaluating and certifying the implementation, integration, and ... controlled Space systems , through robust cryptographic security engineering and information systems security engineering disciplines. Why Join Us? +… more
    KBR (12/06/25)
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  • Launch Site Facilities and Infrastructure…

    ManTech (Lompoc, CA)
    **MANTECH** seeks a motivated and mission-focused **Launch Site Facilities and Infrastructure Systems Engineer ** to join our team in **Lompoc, CA** . In this ... Delta 30 (SLD 30) activities across various mission support systems , integrating engineering analysis with hands-on facility systems...Active or the ability to obtain and maintain a TS / SCI clearance. **Physical Requirements** + Must be… more
    ManTech (11/26/25)
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  • Enterprise Integration Systems

    SAIC (Chantilly, VA)
    …while increasing their responsibilities. SAIC has an opening for a Enterprise Integration Systems Engineer to provide Systems Engineering and Technical ... is responsible for designing, building, and operating national security-related systems based in space, in the air, and on...at least 9 years of relevant experience + Active TS / SCI clearance with polygraph + Strong technical… more
    SAIC (11/12/25)
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  • SIGINT Enterprise Systems Engineer

    KBR (Chantilly, VA)
    Title: SIGINT Enterprise Systems Engineer Belong. Connect. Grow. with KBR! The candidate will focus on SIGINT mission trades, capability definition, CONOPS ... + Working Hours: Standard/Flexible Qualifications: Required: + Security Clearance Requirements: TS / SCI required and Polygraph eligible + Education: Requires 12… more
    KBR (09/30/25)
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  • Systems Engineer

    KBR (Chantilly, VA)
    Title: Systems Engineer Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions ... protecting our national security. KBR is seeking a System Engineer to work on an exciting, fast-paced program in...Minimal + Working Hours: Standard QUALIFICATIONS Required: + Active TS / SCI with polygraph required. + Bachelor's degree… more
    KBR (12/19/25)
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  • Senior Systems Engineer

    ManTech (Columbia, MD)
    Information Technology (EIT)-the foundation for enterprise-wide services. As a Senior Systems Engineer , you will work alongside customers, Integrated Product ... ManTech seeks a motivated, career-driven, and customer-focused **Senior Systems ** ** Engineer ** to join our team in **Columbia, MD** . You will play a critical… more
    ManTech (12/11/25)
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  • Senior Systems Engineer - Control…

    RTX Corporation (Aurora, CO)
    …premier satellite ground system? We have an exciting opportunity for a **Senior Systems Engineer - Control Account Manager** to support a cross-disciplined ... citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation...the IPT Lead, other IPT CAMs, the Program Chief Engineer , and the Program Manager. **What You Will Do**… more
    RTX Corporation (12/11/25)
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