• Senior Software Engineer (Top Secret

    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 ... capabilities. KBR is seeking a highly motivated Senior Software Engineer to join us in supporting our great nation,... Clearance: Must have an active US government Top Secret security clearance with the ability to… more
    KBR (11/07/25)
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  • Specialist, Info Security Systems…

    L3Harris (Broomfield, CO)
    …a degree, minimum of 8 years of prior related experience. + Must have active Secret security clearance, TS/SCI preferred. + DoD 8140.03 IAT Level 3 certification ... interest of national security . Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO Job… more
    L3Harris (11/12/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …flight applications\. * Experience informally or formally leading a technical team\. * Active Secret security clearance; must be able to obtain a Top Secret ... prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \!...* 5\+ years of work experience * Current Top Secret or TS/SCI security clearance ** Security more
    Lockheed Martin (11/20/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …is required to start employment\. Applicants must possess a currently active Secret security clearance to be considered qualified\. * Selected candidates ... Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as...are seeking an experienced Guidance, Navigation, and Control \(GNC\) Engineer , Sr\. Staff \(Level V\) who will specialize in… more
    Lockheed Martin (11/22/25)
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  • Integration and Test Engineer

    SMX (Boulder, CO)
    Integration and Test Engineer ( Secret to TS) (4833)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next generation ... needs. We are looking for an **Integration and Test Engineer ** who is excited to apply their talents to...is on-site in Boulder, CO 5 days per week. Secret level clearance is required with ability to obtain… more
    SMX (11/26/25)
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  • Test Engineer ( Secret )

    SMX (Boulder, CO)
    Test Engineer ( Secret ) (4777)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boulder, CO Are you interested in the next generation of Space Force Remote ... needs. We have an immediate opportunity for a **Test Engineer ** who is excited to apply their automated testing...is on-site in Boulder, CO 5 days per week. Secret level clearance is required.** **Essential Duties & Responsibilities**… more
    SMX (10/30/25)
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  • RF Engineer , Senior Staff (Level V) - Top…

    Lockheed Martin (Littleton, CO)
    … clearance\. For this position, applicants must possess a currently Active Top Secret security clearance to be considered\. * Selected candidates will be ... Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as...Lockheed Martin Space is seeking a Senior Staff RF Engineer \(level 5\) to join our team in Littleton,… more
    Lockheed Martin (11/19/25)
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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …be aU\.S\. Citizen\. * Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates will be ... Space is a critical domain, connecting our technologies, our security , and our humanity\. While others view space as...Lockheed Martin Space is seeking a **Senior Staff RF Engineer ** to join our team in **Littleton, CO** \!… more
    Lockheed Martin (11/09/25)
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  • Survivability & Nuclear Hardness Engineer

    Lockheed Martin (Littleton, CO)
    …* Candidates must have the ability to obtain \(and maintain\), a Top Secret security clearance for long\-term employment on this program\. **Desired Skills:** ... II D5 fleet Ballistic Missile\. As a Survivability Staff Engineer , you will lead and / or support the...years or more of professional experience * Active Top Secret security clearance ** Security Clearance… more
    Lockheed Martin (12/06/25)
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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …be aU\.S\. Citizen\. * Qualified applicants must possess at minimum a currently Active Secret security clearance to be considered\. * Selected candidates will be ... Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the...experience * Ability to obtain, and maintain, a Top Secret clearance ** Security Clearance Statement:** This position… more
    Lockheed Martin (12/10/25)
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