• 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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  • SECRET Software Engineer

    Actalent (Colorado Springs, CO)
    Job Title: Software Engineer Can sit at any...degree in Computer Science or related field. + Active Secret Clearance + At least 5 years of experience ... CO + King of Prussia, PA We are seeking a talented and motivated Software Engineer to join our dynamic team. As a key contributor, you will design, develop,… more
    Actalent (11/22/25)
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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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  • 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 (10/29/25)
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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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  • Virtualization Systems Engineer

    Lockheed Martin (Colorado Springs, CO)
    …missile defense technologies\. **The Work** As a Virtualization Systems Engineer , you will design, implement, and manage virtualized infrastructure solutions ... 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 (09/05/25)
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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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  • 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 (10/22/25)
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  • Network DevOps Engineer III ( Secret

    Lockheed Martin (Colorado Springs, CO)
    …and enhancing leading\-edge missile defense technologies\. **The Work** As a DevOps Engineer , you will be responsible for applying principles, theories, and concepts ... design, development, test, integration and fielding of hardware and software elements that enable the Missile Defense System \(MDS\)...You are a highly motivated and experienced Network DevOps Engineer \(aka Full Stack Engineer \) with a… more
    Lockheed Martin (09/05/25)
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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 (10/25/25)
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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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  • Network Security Engineer III…

    Lockheed Martin (Colorado Springs, CO)
    …leading\-edge missile defense technologies\. **The Work** The Network Security Engineer will be responsible for planning, deploying, integrating, and testing ... 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 (09/05/25)
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  • Principal/Senior Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our employees ... are looking for a Principal or Senior Principal Systems Engineer to join our team at Buckley Space Force...hours per week. **Security Clearance and Citizenship Requirements:** A Top- Secret security clearance is required to start on day… more
    Northrop Grumman (11/21/25)
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