• Model-Based Systems Engineer

    Lockheed Martin (Littleton, CO)
    …* Documented LM Systems Engineering Bootcamp Training completion * Active Top Secret Clearance **Security Clearance Statement:** This position requires a ... the Trident II D5 Fleet Ballistic Missile\. As a Systems Engineer for Model\-Based System Engineering \(MBSE\)...clearance with the ability to obtain and maintain a Top Secret clearance\. * 1\+ years of… more
    Lockheed Martin (01/14/26)
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  • Model-Based Systems Engineer Staff

    Lockheed Martin (Littleton, CO)
    …deterrence\. Learn about the Trident II D5 Fleet Ballistic Missile\. As a Systems Engineer for Model\-Based System Engineering \(MBSE\) you will lead and ... employ MBSE approaches to develop Systems Engineering products using SysML and MBSE tools to...deadlines\. Must have the ability to obtain a Clearance \( Top Secret \) and maintain this level of… more
    Lockheed Martin (01/14/26)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of the Time **Description** At Northrop Grumman, our ... Systems (NGSP) is seeking a **Sr. Principal** ** Systems Engineer ** to support a program out...experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of… more
    Northrop Grumman (12/24/25)
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  • Model Based Systems Engineer SME

    KBR (Colorado Springs, CO)
    Title: Model Based Systems Engineer SME KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our customers ... the Government in executing selected solutions. Required Qualifications: + Active DoD Top Secret clearance and ability to obtain a Special Compartmented… more
    KBR (12/18/25)
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  • Senior Systems Engineer

    Leidos (Aurora, CO)
    …Solutions Business Area, is currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will ... lead systems engineering activities across the enterprise to help the...St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able… more
    Leidos (11/22/25)
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  • Senior Systems Engineer (MBSE)…

    RTX Corporation (Aurora, CO)
    …that create a safer, more secure world. Raytheon Technologies is seeking a Senior Systems Engineer (MBSE) to provide enterprise-wide systems engineering and ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS /SCI with CI Poly - Current At Raytheon, the foundation of everything we… more
    RTX Corporation (01/06/26)
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  • Systems Engineer (Software) - Level…

    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 ... Grumman Space Systems (NGSP) is seeking a ** Systems Engineer - Level 3 or Level...experience with a PhD. + Must have an active Top Secret /SCI clearance at the time of… more
    Northrop Grumman (12/12/25)
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  • Model Based Systems Engineer

    SAIC (Broomfield, CO)
    **Description** We are seeking a highly skilled Model-Based Systems Engineer (MBSE) to join our team. The ideal candidate will have a strong foundation in ... formal design reviews, including SRRs, PDRs, and CDRs. **Qualifications** + Active TS /SCI clearance. + Bachelor's degree in Systems Engineering, Electrical… more
    SAIC (12/17/25)
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  • Specialist, Info Security Systems

    L3Harris (Broomfield, CO)
    …domains in the interest of national security. Job Title: Specialist, Information Security Systems Engineer Job Code: 31060 Job Location: Boulder/North Denver, CO ... Job Schedule: 9/80 Job Description: Applies current systems security engineering methods, practices and technologies to the...years of prior related experience. + Must have active Secret security clearance, TS /SCI preferred. + DoD… more
    L3Harris (11/12/25)
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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...mitigate them and maintain schedule * Current or Active Top Secret clearance, thus US Citizenship is… more
    Lockheed Martin (12/25/25)
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