• Model Based Systems Engineer (MBSE)…

    Nou Systems, Inc. (Dayton, OH)
    …to produce and present technical documentation. + You must possess or can obtain an active Top Secret /SCI clearance. + You must be a US citizen to be eligible ... to announce the opening for a Model Based Systems Engineer (MBSE) / Digital Engineer who will...organizations. + Experience supporting DoD open architectures. + Active Top Secret /SCI clearance. nou (pronounced 'new') Systems:… more
    Nou Systems, Inc. (10/03/25)
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  • Mid-Level Systems Engineer

    The Boeing Company (Richardson, TX)
    …US Secret Security Clearance (US Citizenship Required) and ability to obtain a Top Secret clearance. (A US Security Clearance that has been active in the ... reporting and customer/supplier engagement. **Preferred Qualifications (Desired Skills/Experience):** + Active Top Secret Clearance + 5+ years of experience… more
    The Boeing Company (12/24/25)
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  • Senior Systems Engineer

    G2 Ops, Inc. (El Segundo, CA)
    …years Security Clearance Requirement: Must be able to obtain and maintain Active DoD Top Secret Clearance and have SCI eligibility What makes someone choose one ... we are seeking a highly motivated, team-oriented Senior Systems Engineer . This exciting position will have the chance to...The ideal candidate would already possess an active DoD Top Secret level clearance and at least… more
    G2 Ops, Inc. (12/22/25)
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  • Lead Nuclear Effects Engineer

    The MITRE Corporation (Bedford, MA)
    …time as needed + Active Secret clearance with the ability to obtain a Top Secret clearance + Per the US Government's eligibility requirements, you must be a ... Systems and C2 Platforms Department is seeking a lead engineer to make critical contributions in understanding the effects...year from the date of hire, the following clearance(s): Top Secret Salary compensation range and midpoint:… more
    The MITRE Corporation (12/19/25)
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  • Sr Principal Engineer Systems

    Northrop Grumman (Melbourne, FL)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Systems Sector has an opening for a **Sr. Principal Engineer Systems** to join our team of qualified, diverse...ability to transfer and maintain the final adjudicated government Top Secret clearance (DoD must be in-scope… more
    Northrop Grumman (11/25/25)
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  • UAS Conceptual Design Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …creatively to develop innovative design solutions. + **Ability to obtain/maintain a Top Secret US Security Clearance is required** **Qualifications We Prefer:** ... seeking a highly skilled and innovative UAS Conceptual Design Engineer to join our dynamic engineering team. This role...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (11/21/25)
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  • Lead, Systems Engineer (RC-135 Raven)

    L3Harris (Nellis Air Force Base, NV)
    …an active Secret Clearance at the time of hire with the ability to obtain Top Secret with SCI Security Clearance and CI polygraph within the first year. + ... the interest of national security. Job Title: Lead, Systems Engineer (RC-135 Raven Simulations Systems) Job Code: 31299 Job...(DMO). + LINUX and UNIX-based operating systems. + Active Top Secret /SCI clearance. L3Harris Technologies is proud… more
    L3Harris (11/19/25)
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  • Sr. Specialist, Systems Engineer

    L3Harris (Greenville, TX)
    …active Secret clearance at the time of hire with the ability to obtain a Top Secret with SCI. + Must be a US Citizen. Preferred Additional Skills: + Active ... 1st Shift 9/80 Job Description: The Sr. Specialist, Systems Engineer (SE) will be responsible for performing technical planning,... Top Secret with SCI. + CI Poly.… more
    L3Harris (11/01/25)
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  • Advanced Programs Staff Systems Engineer

    Northrop Grumman (Roy, UT)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Strategic Deterrent Systems Division is seeking a Staff Systems Engineer . This position will be located in Roy, UT...a US Citizen with an **ACTIVE US Government DoD Top Secret security clearance** at time of… more
    Northrop Grumman (10/09/25)
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  • Senior Mechanical Engineer - Structural…

    RTX Corporation (Richardson, TX)
    …only US citizens are eligible for a security clearance **Security Clearance:** DoD Clearance: Top Secret Collins Aerospace, an RTX company, is a leader in ... team is seeking a highly motivated Senior Level Mechanical Engineer that enjoys contributing to the analysis, design updates,...+ Active possession of an active US government issued Secret or Top Secret clearance.… more
    RTX Corporation (10/07/25)
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