• 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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  • Systems Engineer

    Lockheed Martin (Huntsville, AL)
    … with Cameo software * Eligibility and willingness to obtain a Secret Security Clearance ; US Citizenship Required **Desired Skills:** * Knowledge and experience ... to System Level trade studies \- Requirement Verification * Active or Current Secret Security Clearance ** Security Clearance Statement:** This position… more
    Lockheed Martin (12/04/25)
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  • Sr. Systems Engineer - Signal Processing

    RTX Corporation (Tucson, AZ)
    …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...The Processing, Guidance and Controls (PG&C) Center within the Systems Engineering and Test Capabilities (SE&TC) Discipline consists of… more
    RTX Corporation (11/23/25)
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  • Principal Systems Engineer - Missile…

    RTX Corporation (Tucson, AZ)
    …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...The Processing, Guidance and Controls (PG&C) Center within the Systems Engineering and Test Capabilities (SE&TC) Discipline consists of… more
    RTX Corporation (10/29/25)
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  • Systems Engineer, Requirements…

    Lockheed Martin (Littleton, CO)
    …IBM DOORS Classic * Eligibility and willingness to obtain and maintain a Secret Security Clearance \- US Citizenship required **Desired Skills:** * Bachelor of ... more about our Hypersonic Solutions As part of the Systems Engineering team, you will perform tasks related to...* Active or Current DoD Secret or Top Secret Security Clearance ** Security Clearance… more
    Lockheed Martin (10/15/25)
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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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  • 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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  • Circuit Design Engineer III, Satellite Test…

    Lockheed Martin (Littleton, CO)
    …be a United States citizen and be able to obtain a Secret government security clearance \. **Desired Skills:** * High level knowledge of electronics components ... electronic circuitry and COTS components utilized in test and measurement equipment\. ** Security Clearance Statement:** This position requires a government … more
    Lockheed Martin (10/29/25)
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  • Electro-Optical Systems Engineer (Level IV)

    Lockheed Martin (Louisville, CO)
    …writing * Must have the ability to obtain & maintain a TS/SCI w/Poly security clearance **Desired Skills:** * Ability to work under consultative guidance with ... and instrumentation control\. Examples include Matlab/Simulink, LabView, and Mathcad ** Security Clearance Statement:** This position requires a government… more
    Lockheed Martin (12/06/25)
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