• Research Associates for Center for National…

    University of Colorado (Boulder, CO)
    …residents, refugees, and asylees, with the ability to obtain and maintain a US security clearance . + For more information about clearance requirements please ... **Research Associates for Center for National Security Initiatives** **Requisition Number:** 68745 **Location:** Boulder Colorado **Employment Type:** Research… more
    University of Colorado (11/22/25)
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  • Sr Mechanical Engineer, Control Actuation…

    RTX Corporation (Huntsville, AL)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...support the development, build, and verification of control actuation systems . The PCAS organization staffs mechanical engineers for a… more
    RTX Corporation (11/12/25)
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  • Cyber Systems Engineer

    Northrop Grumman (Chandler, AZ)
    …Chandler, AZ. The System Security Engineer (SSE) supports a multidisciplinary Systems Security Engineering team responsible for securing advanced missile and ... & test. + Ability to obtain DoD Government Secret Security Clearance + US Citizen + Strong...firmware, or avionics/hardened military electronics. + Familiarity with model-based systems engineering (MBSE), system architectural modeling , and… more
    Northrop Grumman (12/11/25)
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  • Systems Engineer (Level 4)

    Lockheed Martin (Littleton, CO)
    …multiple priorities and deadlines\. * Active or current Top Secret \(TS\) security clearance required; U\.S\. citizenship required\. **Desired Skills:** * Strong ... support the team that designs, develops, fields and operates systems for a variety of national security ...processes\. * Awareness of Space Protection missions and concepts\. ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (12/11/25)
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  • Systems Integration Engineer Senior Staff…

    Lockheed Martin (Littleton, CO)
    …groups with multiple contractors * Experience with MBSE in DOORS and Cameo ** Security Clearance Statement:** This position requires a government security ... **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a… more
    Lockheed Martin (11/15/25)
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  • Scientist, Sr. Mechanical Engineer - Space Optical…

    L3Harris (Wilmington, MA)
    …(FEA and hand-calculations) is required + Able to obtain and maintain a US Security Clearance Preferred Additional Skills: + Top Secret SCI/DoD clearance ... Job Title: Scientist, Sr. Mechanical Engineer - Space Optical Systems Job Code: 30813 Job Location: Wilmington, MA Job...of our positions require the ability to obtain a security clearance . Security clearances may… more
    L3Harris (11/06/25)
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  • Systems Engineer

    Intrepid Solutions and Services (Aberdeen Proving Ground, MD)
    …constraints, and traceability across system views to support robust architecture modeling . + **Ensure Information Assurance and Security Compliance ... **Overview** Intrepid Solutions, a CIS company, is looking for a Systems Engineer to support a new contract that is anticipated to begin in September, 2025. This… more
    Intrepid Solutions and Services (10/28/25)
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  • GSSC - Associate Systems Engineer/…

    Northrop Grumman (Roy, UT)
    …+ Must be a US Citizen with the ability to obtain a US Government DoD Secret security clearance as determined by the company to meet its business need. + 1 year ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...the ability to obtain a US Government DoD Secret security clearance as determined by the company… more
    Northrop Grumman (12/17/25)
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  • Engineer Systems Architect Level 3 or 4

    Northrop Grumman (Elkton, MD)
    …Must be a US citizen and able to obtain a DoD Secret security clearance **Basic Qualifications Sr Principal Engineer Systems Architect - Level 4:** + Will ... + Employ MBSE approaches to developing products using the Systems Modeling Language (SysML), and MBSE resources...US citizen and able to obtain a DoD Secret security clearance **Preferred Qualifications:** + Ability to… more
    Northrop Grumman (12/04/25)
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  • SW/HW Systems Engineer

    Lockheed Martin (Littleton, CO)
    …* Experience with Command and Telemetry Databases * Eligible for TS/SCI security clearance , therefore U\.S\. Citizenship is required\. **Desired Skills:** * ... prosperity\. Lockheed Martin seeks an innovative and talented **SW/HW Systems Engineer** to join the Global Security ...issues * Active or Current TS/SCI with T5 investigation ** Security Clearance Statement:** This position requires a… more
    Lockheed Martin (12/03/25)
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