• Manager, Info Security Systems…

    L3Harris (Broomfield, CO)
    …and 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...years of prior related experience. + Minimum of active Top Secret /SCI security clearance required, with polygraph… more
    L3Harris (11/15/25)
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  • Space Mission Systems Design…

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our ... Linthicum, MD** is seeking a **Principal or Sr Principal Systems Engineer ** to join our Mission ...experience. + Must have an active US Government DoD Top Secret security clearance at time of… more
    Northrop Grumman (01/17/26)
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  • Electro-Optical Model Based Systems…

    Lockheed Martin (Louisville, CO)
    …a career that's built for you\. Lockheed Martin Space is seeking an **Electro\-Optical MBSE Systems Engineer ** to join our team in **Louisville, CO** \! The MBSE ... Systems Engineer is responsible for end to...architecture, interface control, and/or requirement traceability concepts\. * Active Top Secret security clearance\. **Desired Skills:** *… more
    Lockheed Martin (12/06/25)
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  • Model Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Experience using Cameo or equivalent SysML for architecture design * Active Top Secret with ability to obtain TS /SCI **Desired Skills:** * Experience using a ... an a highly motivated innovative and talented Model Based Systems Engineer \(MBSE\) to join the Global...* 1\+ years professional experience\. * US citizenship required, Top Secret clearance required prior to start\.… more
    Lockheed Martin (12/04/25)
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  • Systems Engineer

    Lockheed Martin (Littleton, CO)
    …Trident II D5 Fleet Ballistic Missile\. Lockheed Martin \(LM\) is looking for an resourceful Systems Engineer to become a member of the Systems Engineering ... to accomplish major efforts involving multiple teams\. As a Systems Engineer , you will: * Develop system...Secret Clearance with the ability to obtain a Top Secret Clearance\. * Ability to work… more
    Lockheed Martin (11/26/25)
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  • Systems Engineer Senior

    Lockheed Martin (Littleton, CO)
    …- - **What does this role look like?** Lockheed Martin is looking for a talented Systems Engineer to join the Navigation Systems team in Denver, Colorado ... precision navigation and timing to the world\. As a Systems Engineer , you will: * Creatively use...and processes * Ability to obtain and maintain a Top Secret security clearance, thus US citizenship… more
    Lockheed Martin (01/17/26)
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  • Systems Engineer - Level 1 or Level…

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... out of our Aurora, CO office. **Position Overview:** + System through sub-assembly level systems engineer knowledgeable in the ground based RF and processing … more
    Northrop Grumman (01/15/26)
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  • Sentinel - Staff Systems Engineer

    Northrop Grumman (Colorado Springs, CO)
    …design, military aerospace development. **Preferred Qualifications:** + Active DoD Top Secret Clearance + Understanding of the Systems Engineering V-Model + ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...Grumman Defense Systems is seeking a Staff Systems Engineer to join its team. This… more
    Northrop Grumman (01/15/26)
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  • Modeling and Simulation Systems…

    Northrop Grumman (Colorado Springs, CO)
    …and verbal communication skills **Preferred Qualifications** + Active DoD Top Secret Clearance + Master's degree in Systems Engineering + Experience using ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description**...exciting career opportunity for a **Staff Modeling and Simulation Systems Engineer (Level 5)** to join our… more
    Northrop Grumman (12/18/25)
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  • Sentinel - Principal Systems…

    Northrop Grumman (Colorado Springs, CO)
    …system performance documentation **Preferred Qualifications:** + Active DoD Top Secret Clearance + Understanding of the Systems Engineering V-Model + ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time **Description** At...Systems currently has an opening for a **Principal Systems Engineer ** . This position will be… more
    Northrop Grumman (12/12/25)
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