• Platform Network Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... create a safer, more secure world. The **Platform Network Engineer II** will perform network support and system troubleshooting...90 days after starting in the role + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (11/15/25)
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  • Senior Platform Network Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... a safer, more secure world. The **Senior Platform Network Engineer ** will perform network engineering and design, creating engineering...90 days after starting in the role + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (09/19/25)
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  • X-LAB Software Engineer - Secret…

    Lockheed Martin (Schriever AFB, CO)
    …* Experience in the use of software test and analysis tools **Desired Skills:** * Top Secret Clearance with SCI eligibility is a plus * Experience ... are seeking a detail\-oriented and highly motivated mid\-level software engineer to join our team to develop and test...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (11/14/25)
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  • Mid-Level Software Engineer

    Leidos (Aurora, CO)
    …Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** **Must have a** ** Top Secret with SCI eligibility and able to obtain a Polygraph.** ... Advantage Solutions Business Area, is currently seeking a Mid-Level Software Engineer for the Chinook Program. The Chinook Program delivers secure, scalable,… more
    Leidos (10/05/25)
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  • Spacecraft Mechanical Engineer

    General Atomics (Englewood, CO)
    …required. + Experience with MATLAB is helpful + Ability to obtain and maintain a DoD TS - SCI security clearance is required, an active and current TS / SCI ... affiliated companies, is one of the world's leading resources for high-technology systems development ranging from the nuclear fuel cycle to remotely piloted… more
    General Atomics (10/17/25)
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  • Terrestrial COMSEC Network Engineer

    CACI International (Colorado Springs, CO)
    …responsible for executing the communications security program, ensuring the protection of sensitive information transmitted network connected and point to point ... Terrestrial COMSEC Network Engineer Job Category: Information Technology Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (10/25/25)
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  • Network Engineer Tier 2

    CACI International (Denver, CO)
    Network Engineer Tier 2 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... ongoing basis. **Opportunity:** Team CACI is seeking a Network Engineer to support an Intelligence Community customer's diverse network...field + 5+ years of related work experience + TS / SCI w/ poly is required + DoD… more
    CACI International (10/25/25)
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  • Cyber Security Engineer

    Lockheed Martin (Boulder, CO)
    …\(RMF\) - NIST SP 800‑53\. * Ability to obtain and maintain a DoD Secret clearance \( TS / SCI preferred\)\. **Desired Skills:** * Bachelor's degree in ... in Agile/DevSecOps and CI/CD initiatives\. **Who You Are** Mission‑driven engineer with strong cybersecurity and systems ‑engineering background\....to obtain and maintain a DoD clearance up to TS / SCI and the ability to travel\. **Basic… more
    Lockheed Martin (10/11/25)
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  • Test Engineer

    CACI International (Colorado Springs, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... DoD contexts. **Qualifications:** _Required:_ + Must hold an active TS with SCI preferred. Ability to obtain...SCI required + Bachelor's degree in computer science, Information Technology, or related field + 8+ years of… more
    CACI International (11/19/25)
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  • Senior Software Infrastructure Engineer…

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Poly - Current At Raytheon, the foundation of everything ... **Qualifications You Must Have** + Active and transferable US government issued ** TS / SCI with Polygraph** security clearance is required prior to start… more
    RTX Corporation (10/13/25)
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