• 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 implementation of...and with customer or vendor teams + Define and engineer solution capabilities that satisfy customer business drivers /… more
    SMX (10/16/25)
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  • 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 ... national capabilities. KBR is seeking a highly motivated Senior Software Engineer to join us in supporting...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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  • X-LAB Software Engineer

    Lockheed Martin (Schriever AFB, CO)
    …technologies\. **The Work** We are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to develop and test innovative ... This position requires a government security clearance at the Secret level; you must be a US Citizen for...design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\)… more
    Lockheed Martin (11/14/25)
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  • Software Integration and Test…

    Lockheed Martin (Colorado Springs, CO)
    …the information technology team providing critical maintenance for the software development and ancillary laboratory environments supporting the Command and ... Support the IT team in the maintenance of hardware, software and other IT resources \- Assist with IT...candidate must be able to obtain a DoD Interim Secret Security Clearance prior to starting this position\. This… more
    Lockheed Martin (11/09/25)
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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 ... customers' most pressing needs. We have an immediate opportunity for a **Test Engineer ** who is excited to apply their automated testing talents to our customer's… more
    SMX (10/30/25)
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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...level clearance is required with ability to obtain Top Secret .** **Essential Duties & Responsibilities** + Support software more
    SMX (11/26/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …Role** : We are seeking an experienced Guidance, Navigation, and Control \(GNC\) Engineer , Sr\. Staff \(Level V\) who will specialize in Modeling and Simulation ... synthetic environments to stimulate simulated hardware * Collaborating with subsystem and software engineers to integrate MATLAB models, C\+\+ models, and tactical … more
    Lockheed Martin (11/22/25)
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  • Electro-Optical Staff Engineer (Level IV)…

    Lockheed Martin (Littleton, CO)
    …security and prosperity\. Lockheed Martin Space is seeking a mid\-career **Electro\-Optical Engineer ** to join our team in **Littleton, CO** \! We are searching ... for an engineer or scientist with expertise in fields that support...informally or formally leading a technical team\. * Active Secret security clearance; must be able to obtain a… more
    Lockheed Martin (11/20/25)
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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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  • RF Engineer , Senior Staff (Level V)…

    Lockheed Martin (Littleton, CO)
    …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 the Lockheed Martin ... Missile Defense, and more\. As a Senior Staff RF Engineer within Lockheed Martin Space, you will perform the...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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  • RF Engineer , Senior (Level III)…

    Lockheed Martin (Littleton, CO)
    …Flight and Interplanetary Missions, Missile Defense, and more\. As a Senior RF Engineer within Lockheed Martin Space, you will perform the following: * Support ... 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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  • Global SE - Interface Engineer

    Lockheed Martin (Colorado Springs, CO)
    …Security, and enhancing critical missile defense technologies\. **The Work** The Interface Engineer will lead in authoring the development of ICDs and IDDs\. This ... elements, including sensors, and other Command and Control Systems\. The Interface Engineer will ensure the ICDs and IDDs created are to appropriate standards… more
    Lockheed Martin (11/07/25)
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  • Azure DevSecOps Engineer ( Secret )

    SMX (Colorado Springs, CO)
    Azure DevSecOps Engineer ( Secret ) (4594)at SMX(View all jobs) (https://www.smxtech.com/careers/) Boston, MA; Colorado Springs, CO; Tampa, FL; Washington, DC SMX ... is seeking an **Azure DevSecOps Engineer ** supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in… more
    SMX (10/16/25)
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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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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …this position requires the selected employee to be aU\.S\. Citizen\. * Final Secret clearance is required to start employment\. Applicants must possess a currently ... active Secret security clearance to be considered qualified\. * Selected...a missile defense program on modeling and simulation or software * 4-6 years of GNC experience on various… more
    Lockheed Martin (11/22/25)
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  • Electronics Engineer IV, Electrical Ground…

    Lockheed Martin (Littleton, CO)
    **Description:** Join our team as an **Electronics Engineer ** where you will be a part of a multifunctional team, consisting of software , hardware, RF, and ... require\. * This role requires interfacing with a multifunctional team, consisting of software , hardware, RF, and systems integration and test Engineers\. - - - **To… more
    Lockheed Martin (12/10/25)
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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 ... investigation and solution of complex and advanced cloud requirements, hardware/ software interfaces, and applications, and solutions. **Essential Duties &… more
    SMX (10/16/25)
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  • Project Engineer IV ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …and enhancing leading\-edge missile defense technologies\. **The Work** The Project Engineer IV partners with the Networks and Enterprise Services \(NES\) Agile ... 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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  • Electrical Systems Integration Engineer V,…

    Lockheed Martin (Littleton, CO)
    **Description:** Please join us as a **Electrical Systems Integration Engineer ** , where you will lead the development on a major program\. This position will be ... signal\-level integration\. * Validation of requirements or system decomposition across hardware/ software boundaries \- inter\-box implementation\. * An active DoD … more
    Lockheed Martin (09/30/25)
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  • Secret Algorithms Engineer

    Insight Global (Boulder, CO)
    Job Description A company in the Boulder, CO area is looking for Software /Algorithms Engineers to join their team in support of classified programs. The ... SW/Algorithms Engineers are a combination of aerospace and software engineers responsible for missile tracking/prediction and software development. Day to day… more
    Insight Global (11/08/25)
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