• Senior Systems Safety Engineer

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space in Denver, CO has an immediate opening for a System Safety Engineer to help field a new weapon system that the ... As we enter a new era of Strategic Weapon Systems , we are a pioneer, partner, innovator and builder\....to start with the ability to acquire a Secret security clearance\. **Desired Skills:** * Experience in System more
    Lockheed Martin (12/10/25)
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  • Sr. Security Research Engineer

    Proofpoint (Denver, CO)
    …trust us as a security partner. **The Role** The Role As a Sr. Security Research Engineer on Proofpoint's Threat Research team, you'll be part of a ... for protecting users, the data they create, and the systems they rely on from a uniquely people-centric perspective....are helping to: + Build and enhance our proven security platform + Blend innovation and speed in a… more
    Proofpoint (12/09/25)
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  • Senior Model Based System Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …Experience working within the Defense and/or Aerospace industry + Experience in ground systems , system engineering, or software is a plus + Experience developing ... 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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  • Systems Engineer

    ISYS Technologies (Schriever AFB, CO)
    …on the space initiatives of our government customers. I2X Technologies is seeking a Systems Engineer to support ongoing activities for a customer in Colorado ... + An active TS/SCI/SAP clearance is required. + Highly skilled in system administration, monitoring, application management, and automation disciplines to ensure… more
    ISYS Technologies (12/10/25)
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  • Systems Engineer , Sr.

    Lockheed Martin (Littleton, CO)
    …tomorrow with you\. Lockheed Martin Space has an immediate opportunity for a mid\-career System Safety Engineer at our Denver, CO\. facility\. If you have an ... systems , come and be a part of our System Safety Team\. At Lockheed Martin Space, we are...Office \(Word, Excel, PowerPoint, Outlook\)\. * Active Secret clearance ** Security Clearance Statement:** This position requires a government … more
    Lockheed Martin (12/20/25)
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  • Staff (Level 5) Systems Engineer

    Northrop Grumman (Aurora, CO)
    …of history, they're making history. We are seeking a highly skilled and motivated ** Systems Integration and Test Engineer ** to join our dynamic team in Aurora, ... CO. The ideal candidate will have experience in systems engineering principles, including system integration, verification, validation, and supportability… more
    Northrop Grumman (11/07/25)
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  • Systems Engineer - Systems

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. We have an exciting opportunity for a ** Systems Engineer - Integration and Test,** supporting one of our premier programs ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (10/15/25)
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  • Engineer Senior Principal II RF Payload…

    BAE Systems (Broomfield, CO)
    **Job Description** This position is for an experienced engineer , scientist or physicist to provide engineering leadership for remote sensing payload development ... National Space programs. Leverage your radio frequency (RF) and/or microwave (MW) systems experience as a remote sensing Payload Architect. The Payload Architect… more
    BAE Systems (11/10/25)
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  • Scientist, Systems Engineer TS/SCI

    L3Harris (Colorado Springs, CO)
    …Standard 9/80 Job Description: L3Harris Technologies has an opening for a Scientist, Systems Engineer (Geolocation and Tracking) to join our Mission Analysis ... the space, air, land, sea and cyber domains in the interest of national security . Job Title: Scientist, Systems Engineering Job Code: 29806 Job Location:… more
    L3Harris (10/12/25)
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  • Senior Systems Engineer (Onsite)

    RTX Corporation (Schriever AFB, CO)
    …that create a safer, more secure world. Raytheon is seeking a Senior Systems Engineer , providing enterprise-wide systems engineering and integration support ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (12/17/25)
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