• Network Engineer 3 - Lab Network (25-578)

    Northrop Grumman (Colorado Springs, CO)
    …the entire contract period + Applicants must have a current, active in-scope DoD -issued **Secret** security clearance at the time of application, which is ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,… more
    Northrop Grumman (12/05/25)
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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...prior related experience. + Must have active Secret security clearance , TS/SCI preferred. + DoD 8140.03 IAT… more
    L3Harris (11/12/25)
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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 ... Minimum Clearance Required Top Secret SCI Responsibilities I2X Technologies...address our customers' most complex challenges, including cyber-resilient mission systems , within an Agile environment + Technically diagnose, mitigate,… more
    ISYS Technologies (12/10/25)
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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 ... Minimum Clearance Required Top Secret SCI Responsibilities I2X Technologies...address our customers' most complex challenges, including cyber-resilient mission systems , within an Agile environment. + Technically diagnose, mitigate,… more
    ISYS Technologies (12/10/25)
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  • Cyber Security Engineer

    Lockheed Martin (Boulder, CO)
    …still delivering impact\. These positions require the ability to obtain and maintain a DoD clearance up to TS/SCI and the ability to travel\. **Basic ... in Agile/DevSecOps and CI/CD initiatives\. **Who You Are** Mission‑driven engineer with strong cybersecurity and systems ‑engineering background\. Comfortable… more
    Lockheed Martin (10/11/25)
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  • Systems Security Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …work environment that supports and protects explorers and heroes? Join our team! As a Systems Security Engineer III, you will be using your skills and expertise ... security clearance . The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative aspects of the… more
    Sierra Nevada Company, LLC (11/20/25)
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  • Systems Engineer , Requirements…

    Lockheed Martin (Littleton, CO)
    …configuration controlled specifications, and reviewing verification evidence * Active or Current DoD Secret or Top Secret Security Clearance **Security ... more about our Hypersonic Solutions As part of the Systems Engineering team, you will perform tasks related to...maintenance, validation, system integration, and test\. As a **System Engineer ** on the CPS program you will be involved… more
    Lockheed Martin (10/15/25)
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  • Senior Cybersecurity Engineer

    V2X (Aurora, CO)
    …implementing, and maintaining robust cybersecurity solutions that ensure compliance with DoD standards. The Senior Cybersecurity Engineer will work in ... Responsibilities Major Job Activities: + Serves as the security engineer representative on systems engineering teams for...+ This position requires an active Department of Defense ( DoD ) Secret (Tier 3) level clearance . Skills… more
    V2X (10/10/25)
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  • Sr Principal Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …with internal teams, SMEs, program management, customer representatives, and subcontractors. The Systems Architect works closely with the Chief Engineer and the ... security clearance . The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative aspects of the… more
    Sierra Nevada Company, LLC (12/03/25)
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  • Systems Integration Engineer Senior…

    Lockheed Martin (Littleton, CO)
    …II D5 Fleet Ballistic Missile\. The responsibilities of a Senior Staff Electrical Systems Integration Engineer include: * Serve as an integration lead for ... recommendation of Trade Study options related to the electrical systems * Perform data and document reviews and provide...locations to collaborate with and influence others * Active DoD Secret clearance ; U\.S\. Citizenship is required\.… more
    Lockheed Martin (11/15/25)
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