• Senior Principal Engineer , Systems

    RTX Corporation (Aurora, CO)
    …more secure world. Raytheon has an immediate opening for a temporary Senior Principal Systems Engineer . This role will support the program's deployed systems ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (01/07/26)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …mission. Northrop Grumman Space Systems (NGSP) is seeking a **Sr. Principal** ** Systems Engineer ** to support a program out of our **Aurora, CO** location ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...relevant experience with a PhD. + Must have an active Top Secret/SCI clearance at the time of application… more
    Northrop Grumman (12/24/25)
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  • Consulting Systems Engineer

    World Wide Technology (Denver, CO)
    **Consulting Systems Engineer - National Programs Group** **Why WWT?** Founded in 1990, World Wide Technology (WWT), a global technology solutions provider ... both pre-sales and post-sales responsibilities will be critical. As a pre-sales Consulting Systems Engineer (CSE), you will be working with multiple account… more
    World Wide Technology (11/15/25)
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  • Sentinel - Sr Staff Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …your career today. Northrop Grumman Defense Systems is seeking a **Sr Staff Systems Engineer - MBSE Execution Lead - MBRIA.** This position can be located ... The Sentinel program has an exciting opportunity for a Systems Engineer to join the team supporting...PhD. + Must be a US Citizen with an active US Government DoD **Secret security clearance** at time… more
    Northrop Grumman (12/05/25)
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  • Manager, Info Security Systems

    L3Harris (Broomfield, CO)
    …cyber domains in the interest of national security. Job Title: Manager, Info Security Systems Engineer TS/SCI - Boulder, CO Job Code: 31261 Job Location: ... 5200.39 for the identification and protection of CPI. + Engineer trustworthy and secure systems in accordance...13 years of prior related experience. + Minimum of active Top Secret/SCI security clearance required, with polygraph is… more
    L3Harris (11/15/25)
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  • Systems Engineer Senior

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and ... operates systems for a variety of national security mission partners...to mitigate them and maintain schedule * Current or Active Top Secret clearance, thus US Citizenship is required\.… more
    Lockheed Martin (12/25/25)
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  • Distributed Systems Software…

    Confluent (Denver, CO)
    …is responsible for this product offering from top to bottom, and as a Senior Engineer you'll do everything from working on the storage engine running in the Agents, ... of our multi-tenant control plane, implementing new features like transactions, active - active multi-regions clusters, and even write some HTML/Javascript for… more
    Confluent (12/09/25)
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  • Systems Engineer Staff, Integration…

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space is looking for an innovative and experienced Systems Engineer to support the team that designs, develops, fields and ... operates systems for a variety of national security mission partners...to mitigate them and maintain schedule\. * Current or Active Top Secret clearance, thus US Citizenship is required\.… more
    Lockheed Martin (12/06/25)
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  • Applied Research, Rapid Prototyping, and Embedded…

    Applied Research Associates, Inc. (Littleton, CO)
    …the following areas: + Research and development of novel prototype systems for defense-related applications, spanning multiple Technology Readiness Levels + Design ... and development of mechatronic systems with wireless connectivity and real-time embedded processing and...+ Five or more years' experience in a Principal Scientist/ Engineer role, leading small teams of researchers, engineers, or… more
    Applied Research Associates, Inc. (01/10/26)
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  • Sentinel Sr. Principal Software Systems

    Northrop Grumman (Colorado Springs, CO)
    …today. Northrop Grumman Defense Systems is seeking **Sr. Principal Software Systems Engineer .** This position will be located in **Colorado Springs, Colorado ... 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 (12/25/25)
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