• Sr . Missile Systems Integration & Test…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing, ... technical risk identification and management strategies, and Verification and Validation (V&V) principles + Experience with missile/ unmanned aircraft testing… more
    Sierra Nevada Company, LLC (09/01/25)
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  • Staff / Sr Staff DevSecOps Engineer

    SciTec (Boulder, CO)
    …will not be considered. As we grow, we're looking for mission-driven Staff and Senior Staff DevSecOps Engineers who are ready to make a real impact-not just with ... software release processes including version promotion, branching, integration, and validation + Maintain and implement Helm charts for application deployments… more
    SciTec (08/23/25)
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  • Sr Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …united and sustain our way of living. Join our team! As a Systems Engineer , you will be using your skills and expertise to research, architect, model, simulate, ... and detailed design, simulation, and test using progressive tools. As a cross-functional engineer , you are in charge of system-level ownership of new products and… more
    Sierra Nevada Company, LLC (09/25/25)
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  • Sr . Integration Systems Engineer

    Parsons Corporation (Boulder, CO)
    …respected subject matter experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on a project that has ... challenges in the space domain? We need your help. The Integration Systems Engineer will provide dedicated support to the USSF. The qualified applicant will develop… more
    Parsons Corporation (09/23/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …united and sustain our way of living. Join our team! As a Systems Engineer , you will be using your skills and expertise to research, architect, model, simulate, ... and detailed design, simulation, and test using progressive tools. As a cross-functional engineer , you are in charge of system-level ownership of new products and… more
    Sierra Nevada Company, LLC (09/16/25)
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  • Software Engineer Sr

    Lockheed Martin (Colorado Springs, CO)
    …in advancing secure communications and cutting\-edge defense technology, is seeking a Software Engineer to join our team in King of Prussia, PA\. This role offers ... products that meet high\-performance and security standards\. As a Software Systems Engineer you will: ▪️ Design, develop, and test software solutions that meet… more
    Lockheed Martin (09/13/25)
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  • Sr Systems Engineer - MBSE

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …united and sustain our way of living. Join our team! As a Systems Engineer , you will be using your skills and expertise to research, architect, model, simulate, ... and detailed design, simulation, and test using progressive tools. As a cross-functional engineer , you are in charge of system-level ownership of new products and… more
    Sierra Nevada Company, LLC (09/06/25)
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  • Systems Engineer Sr . - Review…

    Lockheed Martin (Littleton, CO)
    …design, systems documentation, system requirements, CONOPS, systems verification & validation \) * Experience in system level requirements, product development, ... experience * Demonstrated experience interfacing with customers, subcontractors, and senior management * Demonstrated ability to interact with cross functional… more
    Lockheed Martin (09/12/25)
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  • Sr QA Engineer

    Lumen (Denver, CO)
    …quality and functionality of software applications through rigorous testing and validation . You will work closely with developers, operations, and other stakeholders ... to identify bugs, verify fixes, and ensure a seamless user experience. **The Main Responsibilities** + Design, develop, and execute manual and automated test cases. + Identify, document, and track software defects using bug tracking tools (eg, JIRA, Github). +… more
    Lumen (09/30/25)
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  • Sr Systems Engineer - Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …integration, technical risk identification and management strategies, and Verification and Validation (V&V) principles + 2 or more years in relevant operations ... research, science and/or engineering related field + Experience with DoD mission modeling codes (AFSIM, STK, BRAWLER, SUPPRESSOR, ESAMS, etc) + Working knowledge of OCA/DCA, ISR, SEAD/DEAD, Electronic Attack, or Long Range Fires missions + Experience with… more
    Sierra Nevada Company, LLC (07/18/25)
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