• Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Aurora, CO)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS /SCI with CI Poly - Current At ... 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 (10/07/25)
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  • Network Engineer (Levels 2, 3)

    CACI International (Denver, CO)
    … (Levels 2, 3) Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... Services (TCS) program is actively hiring a team of TS /SCI cleared Network Engineers to support an Intelligence Community...and performance of the network including hardware and management software . + Develop and maintain a road map for… more
    CACI International (11/10/25)
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  • Client Support Engineer

    CACI International (Colorado Springs, CO)
    Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel ... 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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  • Network Infrastructure Engineer I , Amazon…

    Amazon (Aurora, CO)
    …be a US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. Key job responsibilities - Clearly communicate ... want to help. You'll join a diverse team of software , hardware, and network engineers, supply chain specialists, security...operations, or delivery - Current, active US Government Security Clearance of TS /SCI with Polygraph - 3-5+… more
    Amazon (10/22/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (Broomfield, CO)
    …be a US Citizen and must currently possess and maintain an active TS /SCI security clearance with polygraph. Key job responsibilities * Clearly communicate ... a better-rounded professional. Basic Qualifications - Current, active US Government Security Clearance of TS /SCI with Polygraph - Knowledge of network cabling,… more
    Amazon (09/19/25)
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  • Chief Systems Engineer

    DCCA (Boulder, CO)
    …other national security facilities (industry and/or Government roles) and possess a current TS clearance with SCI eligibility. The proposed salary range for this ... competitive compensation and benefits package. Visit our website at: www.dcca.com Chief Systems Engineer Candidate must have an active TS /SCI For over 40 years,… more
    DCCA (09/04/25)
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  • Sr. System Safety Engineer

    RTX Corporation (Aurora, CO)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance ​ **Security Clearance :** TS /SCI - Current At **Raytheon** , the ... exciting opportunity for a highly motivated **Senior System Safety Engineer ** to join us **onsite** in a closed area...Firmware Engineering. + Active and transferable US government issued Top security clearance is required prior to… more
    RTX Corporation (10/31/25)
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  • Agile Release Train Engineer

    Lockheed Martin (Littleton, CO)
    …Central \(Rally\), or Agility \(VersionOne\) as an Admin or Super User Active TS /SCI Clearance **Desired Skills:** Experience with large scale, complex missile ... Within Space, we are seeking a talented Release Train Engineer \(RTE\) to join our Agile Talent Center team..., you must be a US Citizen for consideration\. ** Clearance Level:** TS /SCI **Other Important Information You… more
    Lockheed Martin (10/22/25)
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  • Terrestrial COMSEC Network Engineer

    CACI International (Colorado Springs, CO)
    Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular ... related work experience + DOD 8570 IAT2 level certification (Security +) + Security Clearance : active TS /SCI, eligibility to take and pass a polygraph. + Ability… more
    CACI International (10/25/25)
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  • Manager - Software Engineering Lead

    Lockheed Martin (Littleton, CO)
    …government security clearance , you must be a US Citizen for consideration\. ** Clearance Level:** Top Secret **Other Important Information You Should ... Lead who likes to be challenged, solve problems, and lead a highly skilled software development team\. **Who We Are:** As risks to our hardware, software ,… more
    Lockheed Martin (10/29/25)
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