• Systems Engineer (Level 4)

    Lockheed Martin (Highlands Ranch, CO)
    …The team is structured to have an execution\-focused core team \(PM and SEIT functions\) for each program, with support from the enterprise for supplementary skills ... and subject matter expertise\. The RFS Demos team is responsible for the entire program life cycle, from conception through post\-launch support\. - - - **What does this role look like?** * Apply your technical expertise and engineering judgment to drive… more
    Lockheed Martin (12/18/25)
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  • Systems Engineer Senior (Colorado)

    Lockheed Martin (Highlands Ranch, CO)
    …capacity of the legacy UHF SATCOM system\. This position will be part of the MUOS SLE SEIT Team\! You will be a part of driving a fast pace, Firm Fixed Price program ... with an established highly energetic and high performing team\. **Day‑to‑day activities in a Firm‑Fixed‑Price \(FFP\) mindset:** * Scope & Requirements Management: Continuously verify that all work stays within the agreed‑upon scope and that any changes are… more
    Lockheed Martin (12/18/25)
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  • Systems Engineering Lead/Manager

    Lockheed Martin (Colorado Springs, CO)
    …In this important role, you will be: * Defining and owning the SEIT strategy, test architecture, and execution plans * Providing technical leadership and overall ... management for the system's engineering, integration, and test activities of the product line's complex system‑of‑systems * Executing the systems and software design and integrating solutions * Ensuring the right engineering rigor and processes are implemented… more
    Lockheed Martin (12/18/25)
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  • Systems Engineer Staff

    Lockheed Martin (Highlands Ranch, CO)
    …capacity of the legacy UHF SATCOM system\. This position will be part of the MUOS SLE SEIT Team\! You will be a part of driving a fast pace, Firm Fixed Price program ... with an established highly energetic and high performing team\. **Day‑to‑day activities in a Firm‑Fixed‑Price \(FFP\) mindset:** * Scope & Requirements Management: Continuously verify that all work stays within the agreed‑upon scope and that any changes are… more
    Lockheed Martin (12/18/25)
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  • Sentinel - Staff Systems Engineer - 17166

    Northrop Grumman (Colorado Springs, CO)
    …+ 3+ years of experience working with Systems Engineering and Integration and Test ( SEIT ) processes. + 3+ years of experience working with MBSE tools (Cameo) + 1+ ... year of experience with Agile methodologies and tools (JIRA/Confluence) + 1+ years of experience supporting trades studies + 3+ years of experience with one or more of the following: C2, physical security, cybersecurity, communications systems, facility… more
    Northrop Grumman (12/12/25)
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  • Sr Program Manager - Architecture, Requirements,…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and leader of CAMs for a number of SE teams reporting to the SEIT Director. **Qualifications You Must Have:** + Bachelor's degree in Business, Finance, Project ... Management, Management, Engineering or related field + Typically 10+ years of progressive experience in project or program management + Typically 5+ years leading large scale projects; scope spanning multiple years, while leading teams made up of 10+ cross… more
    Sierra Nevada Company, LLC (12/09/25)
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  • Systems Engineer Senior Staff (Level 5)

    Lockheed Martin (Littleton, CO)
    …External Integration Studies Lead will lead launch study efforts across SEIT , Spacecraft/ATLO, Ground, Launch Vehicle and various government organizations\. This ... position provides is the program point of contact for the Launch System Integration Working Group and is responsible for execution of a specific integration study\. Post\-study, the position will be a part of executing integration efforts across the system… more
    Lockheed Martin (12/06/25)
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  • Systems Engineer Staff (Level 4)

    Lockheed Martin (Littleton, CO)
    …production\) * Build successful teams with internal stakeholders \(engineering, ATLO, SEIT members of other segments\) and external stakeholders \(customer, external ... segment providers, USG organizations\) * Be accountable to the Chief Sytem Engineer for executing engineering efforts on schedule - - - **Important Details** * The successful candidate must also have ability to successfully collaborate with groups of… more
    Lockheed Martin (12/06/25)
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  • Model Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Global Security team and become a member of the Systems Engineering and Integration Team \( SEIT \) in Denver, Colorado\. - - - **What does this role look like?** As a ... Systems Engineer for Model\-Based System Engineering \(MBSE\) you will employ MBSE approaches to develop Systems Engineering products using SysML and MBSE tools to capture, maintain, and visualize needed views of model data to communicate systems and… more
    Lockheed Martin (12/04/25)
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  • Space Operations Center Manager

    SAIC (Broomfield, CO)
    …issues and concerns in a timely manner. + Participate with broader SEIT processes and systems developers to ensure continuous system improvements are deployed ... into operations when mature and non-degrading to existing operational mission capabilities. **Qualifications** + Must possess an active TS/SCI clearance. + Experience with the Department of Defense and/or the Intelligence Community satellite/payload and ground… more
    SAIC (11/26/25)
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