• Software Engineer

    CACI International (Denver, CO)
    …+ The ability to obtain and maintain and US Government Clearance at the TS / SCI level. + Previous experience with wireless protocols (eg, 3GPP cellular protocols, ... Software Engineer Job Category: Engineering Time Type: Full time...algorithms to layer 2/layer 3 procedures + Contribute to systems -level engineering discussions that reconcile the various use cases… more
    CACI International (11/14/25)
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  • Principal Software Engineer - 25k Sign…

    Leidos (Aurora, CO)
    …languages such as Python + **Clearance Requirement:** Must have an active TS / SCI clearance with Polygraph **Desired Qualifications:** + React + Kibana ... ** **$25,000.** Leidos is seeking a driven and experienced Full Stack Software Engineer to support a high-stakes, mission-critical program. In this role, you'll help… more
    Leidos (12/13/25)
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  • Software Engineer Staff

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... that's built for you\. The Space Software Product Line \(SSPL\) is seeking a Software Engineer Staff to join the team\. This individual will join the P267 PD&I team… more
    Lockheed Martin (11/18/25)
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  • Field Service/Support Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …Performs other duties as assigned. Required Experience: + Must have an Active TS / SCI clearance. + BS in Electrical Engineering, Electronics, or related technical ... responsible for the setup, testing, troubleshooting, and validation of RF-based electronic systems in both lab and field environments. The ideal candidate will… more
    Kratos Defense & Security Solutions, Inc. (12/04/25)
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  • Model Based System Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …+ Must have Secret Clearance with ability to obtain and maintain a TS / SCI Preferred Skills and Experience Experience with the following + Demonstrated MBSE ... Solutions develops and fields transformative, affordable technology, platforms, and systems for United States National Security related customers, allies, and… more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • Lead System Design/Architect Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …space operations + Experience leading a team conducting MBSE modeling of a system of systems + Must currently have a Secret clearance, with the ability to obtain ... and ourselves. Kratos has an exciting opportunity for a Systems Engineering Lead responsible for system engineering on a...and maintain a TS / SCI Preferred Skills and Experience Experience with… more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • Senior Model Based System Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …current Secret clearance, with the ability to obtain and maintain a TS / SCI Preferred Skills and Experience Experience with the following + Demonstrated MBSE ... Kratos is seeking a highly motivated candidate who will provide model-based systems engineering technical contribution and leadership. This position is full-time and… more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • System Design/Architect Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …a Secret clearance with the ability to obtain and maintain a TS / SCI Preferred Skills and Experience Experience with the following + Demonstrated knowledge ... Job Descriptions: Readiness Delivered. Kratos engineers and deploys technology and systems that move national security forward, with the cost, speed, and reliability… more
    Kratos Defense & Security Solutions, Inc. (11/08/25)
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  • Cyber Software Engineer

    Lockheed Martin (Denver, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... Experience utilizing NIST SP 800\-37 Risk Management Framework \(RMF\) to design information systems commensurate with customer needs * Fluent in two or more of… more
    Lockheed Martin (01/09/26)
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  • Software Developer III

    General Atomics (Aurora, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) ... to technical and non-technical audiences + Maintain the strict confidentiality of sensitive information + Observe all laws, regulations and other applicable… more
    General Atomics (12/11/25)
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