• Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …of analysts focused on conducting analysis of future, and existing military systems to inform strategic, program, business development, and customer decisions. The ... be responsible for performing modeling, simulation and analysis of multi-domain military systems using industry standard modeling and simulation tools - such as… more
    Sierra Nevada Company, LLC (07/18/25)
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  • Sr . Principal Software Engineer

    Northrop Grumman (Colorado Springs, CO)
    …-Launch and Missile Defense Systems has an exciting career opportunity for a Sr Principal Software Engineer (GUI) to join our team of skilled and diverse ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...which is required to start and be eligible for Top Secret clearance with (TS/SCI) SCI access + Willingness… more
    Northrop Grumman (08/30/25)
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  • Sr RF Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …within SNC's Multi-Domain Solutions group is looking for a highly motivated RF systems engineer to join their multi-disciplinary team executing a portfolio of ... to transform humanity through technology and imagination! As a Sr RF Engineer , you will be using...from state of the art mission payloads and electronic systems through highly integrated aircraft to orbital and space… more
    Sierra Nevada Company, LLC (09/23/25)
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  • Space Vehicle Sr . Test Engineer

    Lockheed Martin (Littleton, CO)
    …playing a critical role to defeat the enemies of freedom\. Lockheed Martin is seeking a Sr \. Space Vehicle Test Engineer , to join a new program in the SPP ... **Description:** Must have an active DoD Top Secret or TS/SCI clearance\. Space is a...organizations in Space\. Come help build end\-to\-end Space Security Systems and utilize our cutting\-edge capabilities to assure the… more
    Lockheed Martin (09/19/25)
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  • Sr . Software Engineer TS/SCI…

    Leidos (Aurora, CO)
    **Description** Leidos has an exciting opportunity for a Sr . Software Engineer ! *Must have an active TS/SCI Polygraph up front. No exceptions.* You will perform ... as both an individual and a member of our top -notch agile development team building a large complex enterprise...and shared actions for developers and testers. You will engineer , author, tune and document automation scripts in a… more
    Leidos (09/10/25)
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  • Sr . Specialist, Software Engineer

    L3Harris (Colorado Springs, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Sr . Specialist, Software Engineer / Virtualization Engineer Job Code: 28592 ... and provides guidance to maintain existing VCE and migration to future candidate systems . + Participates in user community CCBs. Provides guidance to the WS0MS… more
    L3Harris (09/12/25)
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  • Systems Integration/Test Engineer

    Lockheed Martin (Colorado Springs, CO)
    …for the development of IT solutions across all components of software systems through design, integration, implementation, and support * Coordinate, develop, and ... integrate new systems in both physical and virtualized environments * Develop...position with the ability to obtain and maintain a Top Secret Clearance\. **Desired Skills:** * PowerShell scripting experience… more
    Lockheed Martin (09/19/25)
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  • Sr Lead IT Systems Engineer

    Lumen (Denver, CO)
    …committed to teamwork, trust and transparency. People power progress. We're looking for top -tier talent and offer the flexibility you need to thrive and deliver ... effort to translate the client's business requirements into specific data systems , applications or process designs and deliver innovative business consulting,… more
    Lumen (09/20/25)
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  • Sr Principal Software Engineer Java…

    Northrop Grumman (Colorado Springs, CO)
    …they're making history. Northrop Grumman is seeking a Sr Principal Software Engineer Java with a Top Secret/SCI clearance and a Counter Intel Polygraph ... Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations… more
    Northrop Grumman (09/10/25)
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  • Sr . Full Stack Engineer

    TEKsystems (Greenwood Village, CO)
    Description Description: LOCAL CO ONLY (Hybrid - 3 days onsite required) Sr Full Stack Engineer 5 to 7 years very strong experience - React, Node, AWS, ... hire or 6-month extension Education * Bachelor's Degree in computer science, information systems or a relevant discipline required Essential Functions : 5 to 7 years… more
    TEKsystems (09/26/25)
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