• Senior Systems Engineer

    SAIC (Chantilly, VA)
    **Description** SAIC is looking for a Senior Systems Engineer with experience supporting system and satellite verification and validation efforts to support ... love working with a great team, apply today. This position requires an active Top Secret/SCI clearance with Polygraph. Responsible for supporting mission systems more
    SAIC (11/06/25)
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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 ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (10/13/25)
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  • Senior Systems Engineer

    The Metamorphosis Group (Chantilly, VA)
    Senior Systems Engineer , TS/SCI...internet facing missions. MUST BE US CITIZEN MUST HAVE ACTIVE TS/SCI with FSP US Veterans Preferred **ABSOLUTELY NO ... Job Description The Metamorphosis Group, Inc, TMG, has an immediate opening for a Senior Systems Engineer , to act in a Lead capacity to define the enhanced… more
    The Metamorphosis Group (09/10/25)
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  • Senior Systems Engineer

    RTX Corporation (Sterling, VA)
    …are eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret ** Senior Systems Engineer ** **- Flight Trainer Programs (Onsite)** ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (11/12/25)
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  • Agile Systems Engineer

    KBR (Chantilly, VA)
    Title: Agile Systems Engineer - Senior KBR is seeking a highly motivated Agile System Engineer to support our team. The program office provides ... and re-engineering methodologies to facilitate improvements to processes + Apply systems analysis and design methodology assessments to identify technical debt,… more
    KBR (09/02/25)
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  • Senior Systems Security…

    EPS Corporation (Dahlgren, VA)
    Senior Systems Security Engineer - (760) Share this job as a link in your status update to LinkedIn. Job Title Senior Systems Security Engineer ... Job Description EPS Corporation Company is seeking a highly skilledSenior Systems Security Engineerto provide expert-level cybersecurity and systems protection… more
    EPS Corporation (11/13/25)
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  • Senior Engineer

    Nou Systems, Inc. (Fort Belvoir, VA)
    systems and improve capabilities. We are pleased to announce an opening for a senior engineer who will join our Engineering Services Team in the National ... Systems , Inc. business development activities and representing nSI senior leadership in the NCR Basic Qualifications: At a.... + Be eligible to obtain or have an active SECRET clearance. Preferred Qualifications: + Experience in leading… more
    Nou Systems, Inc. (11/20/25)
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  • Senior MBSE Systems Engineer

    SAIC (Chantilly, VA)
    …to expand their knowledge while increasing their responsibilities. SAIC has an opening for a Senior Systems Engineer to provide Systems Engineering and ... is responsible for designing, building, and operating national security-related systems based in space, in the air, and on...with at least 9 years of relevant experience + Active TS/SCI clearance with polygraph + Strong technical fundamentals… more
    SAIC (11/20/25)
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  • Information Systems Security…

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    **Information Systems Security Engineer (ISSE) - Senior ** **Category:** Cyber Security **Main location:** United States, Virginia, Arlington **Position ID:** ... team to deliver state-of-the-art capabilities. The Information System Security Engineer (ISSE) designs, implements, and manages security solutions for information… more
    CGI Technologies and Solutions, Inc. (09/26/25)
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  • Senior Specialist, Systems

    L3Harris (Springfield, VA)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Systems Engineer - Strategic Planner (TS/SCI w/ CI Poly ... Description: L3Harris Technologies currently has an opening for a Senior Specialist, Systems Engineer -...minimum of 8 years of prior related experience. + Active Top Secret/SCI with Poly clearance required. + 2+… more
    L3Harris (10/16/25)
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