• 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 (07/26/25)
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  • Network Timing Engineer

    CACI International (Denver, CO)
    Network Timing Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee ... ongoing basis. **Opportunity:** We are seeking an experienced Network Engineer to design, implement, and maintain a CAN/LAN environment...experience + 10+ years of related work experience + TS / SCI w/ poly is required + Advanced… more
    CACI International (07/25/25)
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  • Sr. Enterprise Account Engineer , National…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. *While this role is posted in Arlington, ... AWS National Security we're looking for a Enterprise Account Engineer (EAE) to support our customers' creative and transformative...lead - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - 7+… more
    Amazon (10/01/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Colorado Springs, 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 ... Change (RFC) impact reviews and assessment experience. + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior… more
    RTX Corporation (09/26/25)
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  • Experienced Software Developer / Engineer

    CACI International (Aurora, 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 ... native microservices and a user interface (UI) for a data -rich application with complex user workflows. As a part...Sterling, VA or Aurora, CO * Clearance: Must have TS / SCI with poly (or be willing to… more
    CACI International (09/25/25)
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  • Senior Platform Engineer (OnSite)

    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 do is ... a safer, more secure world. As a **Senior Platform Engineer ** , you will herald a transformative era in...C#, Go) + Experience with RedHat Linux + Current TS / SCI issued security clearance is required day… more
    RTX Corporation (09/19/25)
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  • Senior Systems Engineer (MBSE) (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 ... team environment (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (09/03/25)
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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 (08/30/25)
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  • Senior Front End Software Developer/…

    CACI International (Aurora, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: None Type of ... maintain cloud native microservices and a UI for a data -rich application with complex user workflows. As a part...Sterling, VA or Aurora, CO + Clearance: Must have TS / SCI with CI poly (or be willing… more
    CACI International (08/11/25)
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  • Senior Associate RF SATCOM Engineering Services

    L3Harris (Colorado Springs, CO)
    …Engineer responsible for Systems Engineering documentation. Qualifications: + Ability to obtain a TOP SECRET / SCI security clearance. + Bachelor's Degree ... of project requirements and are equipped with the essential information and materials. This role requires the monitoring the...through Configuration Management channels. Preferred Additional Skills: + Active TS or TS / SCI security clearance… more
    L3Harris (09/13/25)
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