• Senior Model Based Systems

    KBR (Colorado Springs, CO)
    Title: Senior Model Based Systems Engineer KBR's National Security Solutions team provides high-end engineering and advanced technology solutions to our ... Travel Requirements: Minimal + Working Hours: Standard Required Qualifications: + Active DoD Top Secret clearance and ability to obtain a Special Compartmented… more
    KBR (09/12/25)
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  • Senior Systems Engineer

    RTX Corporation (Aurora, CO)
    …problems that create a safer, more secure world. Raytheon Technologies is seeking a Senior Systems Engineer (MBSE) to provide enterprise-wide systems ... 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 (10/07/25)
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  • Senior Associate, Info Security…

    L3Harris (Broomfield, CO)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Senior Associate, Information Security Systems Engineer Job Code: 31042 Job ... 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 , Sr

    Lockheed Martin (Englewood, CO)
    **Description:** The primary responsibilities of this position will be to provide overall systems engineer support to the Fleet Ballistic Missile \(FBM\) Reentry ... and in a small team environment\. * High level of accountability\. * Top Secret security clearance\. **Security Clearance Statement:** This position requires a… more
    Lockheed Martin (10/29/25)
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  • Senior Systems Engineer

    Noetic Strategies Inc. (Colorado Springs, CO)
    Job Title: Senior Systems Engineer Location: Peterson...Must be a US Citizen + An active DoD TOP Secret clearance with SCI eligibility is required ... Salary Range: 120-140K SUMMARY: Noetic is currently seeking a Senior Systems Engineer (SATCOM) to...this work. Candidates are required to have an active TOP Secret clearance upon hire, and the… more
    Noetic Strategies Inc. (10/25/25)
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  • Satellite Systems Engineer

    CACI International (Aurora, CO)
    Satellite Systems Engineer Job Category: Intelligence Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... ongoing basis. **The Opportunity:** Join CACI as a Satellite Systems Engineer and work in a high-speed...**Qualifications:** _Required:_ + 3-6 years applicable experience + Active TS /SCI with Polygraph ] + Strong communication skills, highly… more
    CACI International (10/23/25)
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  • Senior Systems Engineer

    CACI International (Colorado Springs, CO)
    Senior Systems Engineer -...Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up ... for the Tactical Integrated Ground Suite (TIGS) System of Systems (SoS). These services cover a range of support...data, historical trends, present root cause analysis, and discuss top Operations and Sustainment cost drivers + Work with… more
    CACI International (10/08/25)
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  • Senior Systems Engineer

    Lockheed Martin (Littleton, CO)
    …courage to dream big, then we want to build a better tomorrow with you\. As a Systems Engineer , you will be part of the System Engineering team within the MOATS ... Work/life balance * Career development * Mentorship opportunities * Rewards & recognition **Basic Qualifications:** * You have Systems Engineering background… more
    Lockheed Martin (11/14/25)
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  • Senior Mission Systems

    RTX Corporation (Aurora, CO)
    …tough, meaningful problems that create a safer, more secure world. Raytheon is seeking a Senior Systems Engineer to support Mission Systems Engineering ... 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 (11/07/25)
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  • Space Systems Integration Engineer

    SAIC (Colorado Springs, CO)
    … clearance with the ability to obtain a Top Secret /SCI.** + **Experience developing space systems , preferably including space-to-ground integration.** ... **Description** SAIC is seeking an experienced **Space Systems Integration Engineer ** ( Senior Principal) to support SAIC's Prime Program, Tranche 3 Program… more
    SAIC (10/29/25)
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