• Sr Project Engineer - Integrated Digital…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …communication and organizational skills + **The ability to obtain and maintain a Top Secret US Security Clearance is required** **Qualifications We Prefer:** + ... systems , web applications, to avionics and embedded systems . You will represent the Software Engineering...position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (07/29/25)
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  • Secret Sr Systems Engineer

    Insight Global (Colorado Springs, CO)
    Job Description Insight Global is looking to hire a Systems Engineer to support a defense customer in Roy, Utah; Huntsville, Alabama; or Colorado Springs. This ... Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/. Skills and Requirements Secret ( Top Secret Preferred) with… more
    Insight Global (09/20/25)
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  • Software Engineer

    ManTech (Aurora, CO)
    **ManTech** seeks an experienced and passionate, career and customer-oriented ** Software Engineer ** to join our team located in the **Aurora, CO** area. ... to:** + Develops, maintains, and enhances complex and diverse software systems (eg, processing-intensive analytics, novel algorithm...**Minimum Requirements:** + 3+ years of experience as a software engineer in programs and contracts of… more
    ManTech (09/30/25)
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  • Theater Engineer

    Paragon Cyber Solutions (Colorado Springs, CO)
    …Command (USSTRATCOM) and US Air Force Space Command (AFSPC) missions. Clearance: Top Secret Security Clearance with SCI Eligibility Travel Required: Yes ... for an exciting and dynamic career as a Theater Engineer to join other smart, talented, and dedicated engineers...currently have and be able to maintain a DoD Top Secret Security Clearance with SCI Eligibility… more
    Paragon Cyber Solutions (07/23/25)
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  • Principal Software Engineer - 25k…

    Leidos (Aurora, CO)
    Software Engineer to design, develop, and enhance complex software systems , including high-performance analytics, large-scale data processing, real-time ... has a new and exciting opportunity for a **Principal Software Engineer ** in our **National Security Sector's...applications, and business management systems . You will apply advanced methodologies, resolve technical challenges,… more
    Leidos (08/28/25)
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  • Software Engineer

    DCCA (Westminster, CO)
    …competitive compensation and benefits package. Visit our website at: www.dcca.com Software Engineer Candidate must have an active TS /SCI w/ Poly to be ... Software Engineer Location Westminster, CO Job...and exploit data collected in realtime * Develop high-reliability software systems and tooling targeting RF mission… more
    DCCA (08/22/25)
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  • Consulting Systems Engineer

    World Wide Technology (Denver, CO)
    …be doing?** World Wide Technology, Inc. has an opportunity available for a Consulting Systems Engineer to support our Public Sector -- Army National Guard and ... pass a Federal Security Clearance; active Security Clearance strongly preferred ( Top Secret ) + Excellent communication, interpersonal, presentation and technical… more
    World Wide Technology (09/09/25)
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  • Full Stack Software Engineer

    ManTech (Aurora, CO)
    ManTech seeks a **Full Stack** ** Software Engineer ** to join our team in **Southlands, Colorado** . This position is part of a mission-focused team that supports ... the development and enhancement of software systems that disseminate critical data across...Clearance Requirements:** + Must possess a current and active TS /SCI with Polygraph **Physical Requirements** + Ability to remain… more
    ManTech (08/08/25)
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  • Software Engineer

    Lockheed Martin (Boulder, CO)
    …and Exploitation \(APEX\) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and ... sensing systems \. You will work on designing, developing, testing, and integrating software for embedded systems , including FPGA\-based systems and other… more
    Lockheed Martin (08/08/25)
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  • Chief Systems Engineer

    DCCA (Boulder, CO)
    …compensation and benefits package. Visit our website at: www.dcca.com Chief Systems Engineer Candidate must have an active TS /SCI For over 40 years, DCCA ... Chief Systems Engineer Location Boulder, CO Job...10 years industry-related experience including at least 5 years software development, test, and/or integration of capabilities into operational… more
    DCCA (09/04/25)
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