• Principal System Safety Engineer

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At **Raytheon** , the foundation of everything we ... exciting opportunity for a highly motivated **Principal System Safety Engineer ** to join us on the Air and Space...or equivalent Safety Engineering. + Active US government issued TS / SCI security clearance is required. US citizenship… more
    RTX Corporation (10/31/25)
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  • Network Engineer Tier 3

    CACI International (Colorado Springs, CO)
    Network Engineer Tier 3 Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... basis. **Opportunity:** Team CACI is seeking a Senior Network Engineer to support an Intelligence Community customer's diverse network...experience + 10+ years of related work experience + TS / SCI w/ poly is required + Advanced… more
    CACI International (10/25/25)
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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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  • Digital Engineer , Lead

    BOOZ, ALLEN & HAMILTON, INC. (Aurora, CO)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance with polygraph is required. Compensation ... Digital Engineer , Lead Key Role: Create, integrate, and apply...asso cia te teammates to achieve program goals + TS / SCI clearance with a polygraph + Bachelor's… more
    BOOZ, ALLEN & HAMILTON, INC. (10/26/25)
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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 (10/13/25)
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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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  • Project Engineer (Level 2)

    Lockheed Martin (Aurora, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... for you\. Lockheed Martin is seeking for a Project Engineer to join our team\. The project engineer...required with the ability to obtain and Maintain a TS / SCI \. **Desired Skills:** \- MS Suite experience… more
    Lockheed Martin (11/09/25)
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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 (10/25/25)
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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 (11/07/25)
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  • Facility Operations Center Engineer , ADC…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the candidate ... work experience - Current, active US Government Security Clearance of TS / SCI with polygraph. Preferred Qualifications - Experience troubleshooting and… more
    Amazon (10/23/25)
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