• Principal Java Software Engineer

    RTX Corporation (Aurora, CO)
    …Java Software Engineer will design, develop, and maintain advanced software applications for our Satellite Ground Systems . This role involves close ... collaboration with systems engineers, hardware designers, and other software engineers to deliver reliable and high-performance software solutions. Other… more
    RTX Corporation (10/13/25)
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  • Project Systems Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …system acceptance testing and post-delivery support. The Lead Systems Engineer directly leads multi-functional teams of hardware, software , integration and ... System projects of varying size and complexity. The Lead Systems Engineer provides technical leadership throughout the...clearance with the ability to obtain and maintain a Top Secret / SCI Required Experience: +… more
    Kratos Defense & Security Solutions, Inc. (11/07/25)
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  • Software Engineer

    CACI International (Denver, CO)
    Software Engineer Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... various levels of software development including firmware, device drivers, real-time operating systems (RTOS) and application software . You will be part of a… more
    CACI International (11/07/25)
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  • Fullstack Software Engineer

    The Boeing Company (Colorado Springs, CO)
    …us. The Boeing Company is looking for a **Full-Stack Software Engineer (Experienced/Senior)** to join our Space Mission Systems (SMS) **Evolved Strategic ... products. + Coordinates the development, maintenance, enhancement and optimization of software products and functionalities for systems integrations. +… more
    The Boeing Company (11/13/25)
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  • Space Vehicle Responsible Systems

    Lockheed Martin (Littleton, CO)
    …for you\. Lockheed Martin is seeking a talented and highly motivated **Spacecraft Responsible Systems Engineer \(SC RSE\)** to join the Global Security team in ... Denver, Colorado\. The Global Security Spacecraft Responsible Systems Engineer \(SC RSE\) provides senior technical leadership across the full lifecycle of… more
    Lockheed Martin (11/07/25)
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  • Sentinel Sr. Principal Systems Safety…

    Northrop Grumman (Colorado Springs, CO)
    …Model Based Systems Engineering experience + Experience developing missile flight systems software + Associate Safety Professional (ASP) / Certified Safety ... extensive expertise in the application of MIL-STD-882E, DO178, DO254, software development, design development, or similar systems ...III or similar military or industry experience) + Active Top Secret clearance with investigation in the… more
    Northrop Grumman (09/19/25)
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  • Software Development Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …technical documents and briefings + Must be able to obtain and maintain a Top - Secret security clearance Preferred Skills and Experience + Experience with Agile ... Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and… more
    Kratos Defense & Security Solutions, Inc. (10/24/25)
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  • Staff (Level 5) Systems Engineer

    Northrop Grumman (Aurora, CO)
    …functional testing and checkout. + Analyze and troubleshoot anomalous behavior in hardware and software systems . + Integrating 3rd party software with the ... history. We are seeking a highly skilled and motivated ** Systems Integration and Test Engineer ** to join...Agile processes and scrum. + Must have an **active Top Secret /SCI clearance with current Full-Scope Polygraph… more
    Northrop Grumman (11/07/25)
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  • Sr Systems Integration &Test…

    RTX Corporation (Aurora, CO)
    …and validation. + Support full lifecycle integration and testing of real-time ground software systems including software setup, test execution, regression ... + We have an exciting opportunity for a **Sr** ** Systems Integration and Test Engineer - Automated...relevant experience + Experience as an integration and/or test engineer in a software development environment on… more
    RTX Corporation (11/06/25)
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  • Manager, Info Security Systems

    L3Harris (Broomfield, CO)
    …and cyber domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer Secret - Boulder, CO Job Code: 31261 Job Location: ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph… more
    L3Harris (11/15/25)
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