• Senior Systems Engineer - IT

    Lockheed Martin (Littleton, CO)
    …professionals to work on the Trusted Security Solutions \(TSS\) program to engineer Cross\-Domain Solution \(CDS\) products\. This position is for a Systems ... Engineer /Installer on the Radiant Mercury product within the TSS...and lifecycle management of Commercial Off\-the\-Shelf \(COTS\) hardware and software systems\. The ideal candidate will have a strong… more
    Lockheed Martin (11/12/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …principles + The ability to obtain and maintain a Secret US Security Clearance is required **Qualifications We Prefer:** + Advanced Experience with requirements ... of living. Join our team! As a Senior Systems Engineer within our Mission Systems Integration directorate, you'll play...ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as… more
    Sierra Nevada Company, LLC (11/18/25)
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  • Sr. Principal Air Vehicle System Test…

    Northrop Grumman (Keystone, CO)
    …EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a government clearance and ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 100% of the...has an opening for a **Air Vehicle System Test Engineer - Engineering Field Service Representative** (FSR) to join… more
    Northrop Grumman (11/16/25)
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  • Machine Learning Engineer / Specialist

    DCCA (Littleton, CO)
    …security clearance or the ability to obtain a security clearance is required . Candidates should have experience with large software systems and the full ... CompTIA Security+ certification or equivalent . CISSP certification or equivalent Required Education/Certifcations: . Associate Engineer (CT7): Entry-level to… more
    DCCA (11/21/25)
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  • Circuit Design Engineer III, Satellite Test…

    Lockheed Martin (Littleton, CO)
    …needed to start this position, you will need to obtain and maintain a **Secret clearance ** , thus **US Citizenship** is required \. - - - **Why Lockheed Martin?** ... **Description:** Join us as a **Circuit Design Engineer ** where you will design and develop hardware...Common Off the Shelf \(COTS\) and custom hardware and software tools as well as, perform hardware engineering best… more
    Lockheed Martin (10/29/25)
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  • Engineer II - Space Vehicle Simulators

    BAE Systems (Boulder, CO)
    …to develop real-time simulators of BAE SMS Space Vehicles. This position is for a software engineer that will report to the manager of Space Vehicle Simulators. ... you will work at the forefront of hardware and software integration for a space missions. The Simulators we...control, coding standards and style guides. \#LI-AP1 A security clearance or access with Polygraph is not required more
    BAE Systems (10/11/25)
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  • Systems Integration and Test Engineer

    Lockheed Martin (Littleton, CO)
    …with testing and problem solving for integrated systems * Active Top Secret clearance , thus US Citizenship is required **Desired Skills:** * Experience in ... Lockheed Martin is looking for a highly motivated Systems Integration and Test Engineer to become a member of the Systems Engineering and Integration Team \(SEIT\)\.… more
    Lockheed Martin (11/20/25)
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  • Engineer Systems Architect - Level 4…

    Northrop Grumman (Colorado Springs, CO)
    …**Secret** security clearance at the time of application, which is required to start with the ability to be cleared at SCI **Preferred Qualifications:** ... EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a government clearance and… more
    Northrop Grumman (10/25/25)
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  • RF Engineer

    Lockheed Martin (Littleton, CO)
    …with CAD software suites such as AutoCAD * Active TS/SCI security clearance is required for consideration **Desired Skills:** * Bachelor's or Master's degree ... team is seeking a highly skilled and motivated RF Engineer Stf to join our development team\. As member...test, and deploy a major hardware system including antennas, software defined radios, and related RF connections as part… more
    Lockheed Martin (11/09/25)
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  • Cable and Harness ElectroMechanical…

    Lockheed Martin (Littleton, CO)
    …to start in this position, you will need to obtain and maintain a **Secret clearance ** , thus **US Citizenship** is required \. - - - **Why Lockheed Martin?** ... **Description:** Join us at Lockheed Martin as an **ElectroMechanical Engineer ** where you will be responsible for product design,...and able to obtain and maintain a DoD Secret clearance , thus US Citizenship is required \. **Desired… more
    Lockheed Martin (10/29/25)
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