• Senior Software Engineer (Top…

    KBR (Colorado Springs, CO)
    Title: Senior Software Engineer (Top Secret Security Clearance Required) Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides ... current national capabilities. KBR is seeking a highly motivated Senior Software Engineer to join...Security Clearance: Must have an active US government Top Secret security clearance with the ability to obtain SCI… more
    KBR (11/07/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …space and find a career that's built for you\. Lockheed Martin Space is seeking a ** Senior Staff RF Engineer ** to join our team in **Littleton, CO** \! Come join ... and Interplanetary Missions, Missile Defense, and more\. As a Senior Staff RF Engineer within Lockheed Martin...Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates… more
    Lockheed Martin (11/09/25)
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  • Software Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Software Engineer ( Secret ) (4611)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... seeking ** Software Engineers (Junior/Mid/ Senior /SME)** supporting the design and...Senior *+ years) + Active Security Clearance Required: Secret + Experience with IBM Maximo (custom development and… more
    SMX (10/16/25)
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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …Human Space Flight and Interplanetary Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the ... Citizen\. * Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates will be required… more
    Lockheed Martin (12/10/25)
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  • Senior Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Information Security Systems Engineer Job Code: 31061 Job Location: ... processing in eMASS and Xacta. + Experience in DoD software selection and approval processes for COTS, GOTS and...years of prior related experience. + Must have active Secret security clearance, TS/SCI preferred. + DoD 8140.03 IAT… more
    L3Harris (11/12/25)
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  • Senior Specialist, Network Plan…

    L3Harris (Broomfield, CO)
    …land, sea and cyber domains in the interest of national security. Job Title: Senior Specialist, Network Plan Engineer Job Code: 31905 Job Location: Boulder/North ... and modeling. Designs, analyzes, plans, and modifies network components and/or software by translating customer requirements and objectives into final product… more
    L3Harris (12/10/25)
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  • Senior Staff Project Engineer

    Lockheed Martin (Littleton, CO)
    … specifications\. Come support our legacy of mission success\. As a Project Engineer Senior Staff, you will be responsible for managing several projects ... across the organization to drive positive change Who You Are: The typical Project Engineer Senior Staff has Bachelor's degree with 14 years of experience, 12… more
    Lockheed Martin (12/05/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …Learn more about Trident II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the Specialty Engineering team in one ... this position requires the selected employee to be aU\.S\. Citizen\. * Active Secret clearance is necessary to be considered and is the minimum level of… more
    Lockheed Martin (12/06/25)
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  • Project Engineer III ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …enhancing leading\-edge missile defense technologies\. **The Work** The project engineer will plan, execute, and coordinate complex, multi‑disciplinary engineering ... supports the design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\) to function… more
    Lockheed Martin (11/26/25)
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  • Cloud Systems Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Cloud Systems Engineer ( Secret ) (4496)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX is ... seeking **Cloud Systems Engineers (Junior/Mid/ Senior /SME)** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications,… more
    SMX (10/16/25)
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