• 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 ... solutions in telecommunications and IP/computer networking equipment in the cyber security domain + Work with a...to quickly learn new technologies **Desired:** + Familiarity with software security concepts such as intrusion detection,… more
    CACI International (11/07/25)
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  • Mid-Level Software Engineer

    Leidos (Aurora, CO)
    …Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security ... technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect...Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The… more
    Leidos (10/05/25)
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  • Software Engineer SME

    Leidos (Aurora, CO)
    …Leidos National Security Sector combines technology-enabled services and mission software capabilities in the areas of cyber , logistics, security ... technologies, and tactics to keep pace with an ever-evolving security landscape and succeed in their pursuit to protect...Advantage Solutions Business Area, is currently seeking an experienced Software Engineer Subject Matter Expert (SME) for… more
    Leidos (10/05/25)
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  • Software Systems Engineer

    SAIC (Colorado Springs, CO)
    **Description** SAIC is on the lookout for a dynamic and innovative ** Software Systems Engineer ** for the Horizon 2 contract, aimed at bolstering the US Space ... the National Security Space domain. + Experience managing and interpreting software dev metrics. + Development of a combination of expert engineering knowledge… more
    SAIC (11/18/25)
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  • Junior Software Engineer - TS/SCI w/…

    Parsons Corporation (Denver, CO)
    …**Job Description:** Blue Ridge Envisioneering is seeking qualified candidates to fill a ** Software Engineer ** position at our Denver, CO location. Blue Ridge ... Envisioneering, a Parsons Company, is currently searching for full-time **Jr.** ** Software Engineer ** that participate in the design, development, and… more
    Parsons Corporation (09/24/25)
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  • X-LAB Software Engineer - Secret…

    Lockheed Martin (Schriever AFB, CO)
    …Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security and enhancing other critical, leading\-edge ... We are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to...experiments\. **Please Note:** * This position requires a government security clearance at the Secret level; you must be… more
    Lockheed Martin (11/14/25)
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  • Sr. Specialist, Software Engineer

    L3Harris (Colorado Springs, CO)
    … domains in the interest of national security . Job Title: Sr. Specialist, Software Engineer / Virtualization Engineer Job Code: 28592 Job Location: ... CO We are seeking a highly skilled and experienced Software Virtualization Subject Matter Expert (SME) to join our...of our positions require the ability to obtain a security clearance. Security clearances may only be… more
    L3Harris (09/12/25)
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  • Software Integration and Test…

    ISYS Technologies (Colorado Springs, CO)
    …to the Federal Government. Whether the focus is on space exploration, national security , cyber security , or cutting-edge engineering applications, I2X is ... of our government customers. I2X Technologies is seeking a Software Integratoin and Test Engineer to support...clearance + Completion of 8570 IAT II certification IE Security + required within 90 days of hire + Experience… more
    ISYS Technologies (11/18/25)
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  • Principal Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is ... required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS/SCI - Current At Raytheon, the foundation of everything we do is… more
    RTX Corporation (10/09/25)
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  • Software Engineer - UX Full Time…

    Lockheed Martin (Colorado Springs, CO)
    …data, and a seamless AWS‑based data‑lake backend\. We are seeking UX Software Engineers who can translate complex sensor and analytics streams into intuitive, ... for a non‑DoD customer\. You will work closely with system architects, software engineers, AI/ML specialists, and the Advisory Board to ensure the interface… more
    Lockheed Martin (11/12/25)
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