• Coordination/Correlation Systems

    Lockheed Martin (Littleton, CO)
    …Ballistic Missile \(FBM\) Program by joining the Coordination/Correlation Team as a Systems Engineer Manager\. The team owns and manages interface requirement ... taking on the following key responsibilities: As a Coordination/Correlation Systems Engineer Manager on the FBM program,...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (10/24/25)
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  • Systems Engineer - Requirements…

    Lockheed Martin (Englewood, CO)
    …joining the Systems Engineering Integration and Test \(SEIT\) team as a Systems Engineer \. The SEIT Requirements and Verification team handles all System ... missile subsystems into the flight vehicle design\. As a Systems Engineer for Requirements and Verification on...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (11/15/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    SNC is on the lookout for a Systems Engineer with expertise in sensor systems to support the design, integration, and validation of advanced mission ... The ability to obtain and maintain a Top Secret US Security Clearance is required + Systems ...status is required as this position needs an active US Security Clearance for employment. Non-U.S. Citizens more
    Sierra Nevada Company, LLC (09/24/25)
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  • Specialist, Info Security Systems

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO ... Job Schedule: 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the...security clearance. Security clearances may only be granted to US citizens . In addition, applicants who accept… more
    L3Harris (11/12/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …We are hiring levels 2\-5\. If you are interested in joining LM and working as a Systems Engineer , please apply to this requisition\. - - - **What does this role ... As we enter a new era of Strategic Weapon Systems , Lockheed Martin is a pioneer, partner, innovator and...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI… more
    Lockheed Martin (11/02/25)
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  • Electrical Systems Engineer

    Lockheed Martin (Littleton, CO)
    …ensuring security and prosperity\. Lockheed Martin seeks an innovative and talented electrical systems engineer to join the Global Security team in Denver, ... This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI **Other Important Information… more
    Lockheed Martin (10/18/25)
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  • Ground Systems Engineer

    SAIC (Aurora, CO)
    **Description** SAIC is seeking a **Ground Systems Engineer ** to work on complex projects crucial to our national security objectives. They will provide ... Systems Engineering and Technical Advisory (SETA) services to assist...to the Government. **Qualifications** **Required:** + Must be a US Citizen . + Active TS/SCI clearance with… more
    SAIC (11/18/25)
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  • Model-Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …deterrence\. Learn about the Trident II D5 Fleet Ballistic Missile\. As a Systems Engineer for Model\-Based System Engineering \(MBSE\) you will lead and ... employ MBSE approaches to developing Systems Engineering products using SysML and MBSE tools to...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (11/27/25)
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  • Model-Based Systems Engineer Staff

    Lockheed Martin (Littleton, CO)
    …deterrence\. Learn about the Trident II D5 Fleet Ballistic Missile\. As a Systems Engineer for Model\-Based System Engineering \(MBSE\) you will lead and ... employ MBSE approaches to develop Systems Engineering products using SysML and MBSE tools to...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (11/27/25)
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  • Model-Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …deterrence\. Learn about the Trident II D5 Fleet Ballistic Missile\. As a Systems Engineer for Model\-Based System Engineering \(MBSE\) you will lead and ... employ MBSE approaches to developing Systems Engineering products using SysML and MBSE tools to...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top… more
    Lockheed Martin (11/27/25)
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