• 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 (07/26/25)
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  • Principal Java Software Engineer (Onsite)

    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 ... to drive innovation. **Qualifications You Must Have** + Active and transferable ** TS / SCI with Polygraph** US government issued security clearance **with an… more
    RTX Corporation (08/30/25)
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  • Network Operations Center (NOC) Engineer…

    CACI International (Denver, CO)
    Network Operations Center (NOC) Engineer (Tier 2) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI ... in their activities. + Clearly communicates, verbally and written **Qualifications:** + TS / SCI with Poly required + Bachelor's degree in Computer Science,… more
    CACI International (07/26/25)
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  • Client Support Engineer

    CACI International (Colorado Springs, CO)
    Client Support Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular ... 11/30/2025 **The Opportunity** CACI is seeking a Client Support Engineer to support the HQ SpOC/S2 with a wide...affected by IT issues. **Qualifications:** _Required:_ + A current TS // SCI clearance is required. + Experience of… more
    CACI International (09/06/25)
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  • Software Engineer

    CACI International (Denver, 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 ... Knowledge of Microsoft software applications and other software applications as required **A TS / SCI clearance is required to begin employment. For this position,… more
    CACI International (08/08/25)
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  • Engineer II Ground Software

    BAE Systems (Westminster, CO)
    … Secret security clearance is required, with the ability to obtain and maintain a TS / SCI . + Experience in one or more of the following technology areas: + ... Description** The Software and Ground Solutions group at BAE Systems Inc Space and Mission Systems is...expand our team with a talented and energetic software engineer focused on delivering high-quality, embedded satellite software and… more
    BAE Systems (09/11/25)
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  • Software Engineer - C++, Python, Cloud,…

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... systems \.** We are seeking a highly skilled Software Engineer to join our advanced systems development...on actual hiring job postings\. **Basic Qualifications:** * Active TS / SCI security clearance * Bachelor's degree in… more
    Lockheed Martin (09/13/25)
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  • Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …eligible for a security clearance. **Qualifications We Prefer:** + Active TS / SCI Clearance + Experience with reflector system design, feed antenna design, ... eligible for a security clearance **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything...RF Team at Raytheon is looking for a Principal Engineer , Electrical & Electronics Engineering to be a member… more
    RTX Corporation (08/16/25)
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  • Mid Career Cybersecurity Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... **Description:** * Develop and implement Cybersecurity designs in satellite systems * Develop space and ground cryptographic architectures *...of supply chain risk management * Possess an active TS / SCI security clearance * Compliance with DoD… more
    Lockheed Martin (08/14/25)
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  • Engineer Principal RF Communication…

    BAE Systems (Boulder, CO)
    …US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required. + Microwave, radio frequency, and/or optical ... **Job Description** **US CITIZENSHIP REQUIRED** Join the Space Vehicle Systems Engineering Telecommunications team at BAE Systems SMS - a group of motivated… more
    BAE Systems (09/09/25)
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