• Risk and Opportunity Management Lead

    Lockheed Martin (Littleton, CO)
    …can connect us, ensuring security and prosperity\. Lockheed Martin seeks a motivated Systems Engineer to become our Risk and Opportunity Management Lead for ... the overall team while working closely with the Chief Systems Engineer , Chief Engineer , Program...standard documentation and presentation tools * US Citizenship with Top Secret with SCI Eligibility \(T5 investigation\)… more
    Lockheed Martin (01/07/26)
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  • Senior. Platform Engineer - Linux (FEP)…

    RTX Corporation (Aurora, CO)
    …with configuring and maintaining Common Cryptographic equipment in a secure environment + Active and current TS /SCI / CI Poly security clearance is required ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (12/02/25)
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  • Senior Test and Evaluation Engineer

    KBR (Colorado Springs, CO)
    …and Evaluation Squadrons (TES) at Schriever SFB in Colorado Springs, CO. An active TS /SCI clearance is required. Applicants should have experience in acquisition ... Title: Senior Test and Evaluation Engineer Belong. Connect. Grow. with KBR! Senior Test...Architectures, Space Battle Management and Control, Cyber * An active TS /SCI clearance Desired: * Master's Degree… more
    KBR (11/13/25)
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  • HVAC Engineer

    DCCA (Boulder, CO)
    …HVAC Engineer Candidate must have an active TS /SCI Program: DCCA is recruiting candidates ... HVAC Engineer Location Boulder, CO Job Code 2429 #...document and HVAC system upgrades or changes Requirements: An active TS /SCI clearance is required. At a… more
    DCCA (11/14/25)
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  • Senior Specialist Technical Support…

    L3Harris (Colorado Springs, CO)
    …and ground systems in support of globally deployed forces. + Qualifications: + Active DoD TS clearance with SCI eligibility + Bachelor's Degree and minimum 6 ... efforts for performance of SATCOM Interference tasks. Preferred Additional Skills: + Active DoD TS /SCI clearance + The best qualified candidates should… more
    L3Harris (01/10/26)
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  • Senior Principal II Engineer Ground…

    BAE Systems (Boulder, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active TS /SCI security clearance is required. + Experience in Operations and ... seeking a self-motivated Ground Sustainment Management Lead to join our Systems Operations and Sustainment team. Our multi-disciplinary team supports and maintains… more
    BAE Systems (01/09/26)
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  • Cloud Cyber Engineer

    CACI International (Denver, CO)
    …controls, and security tradeoffs and other decisions. **Qualifications:** **_Required:_** + An active TS /SCI clearance with Poly + Bachelor's degree in ... Cloud Cyber Engineer Job Category: Information Technology Time Type: Full...Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel… more
    CACI International (11/11/25)
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  • Associate Technical Fellow - Software

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …innovative solutions for product development. + Experience or certification in INCOSE standards. + Active Secret or Top Secret /SCI Security Clearance. ... effectively integrate into program execution. + The ability to obtain and maintain a Top Secret Security Clearance is required. Learn more about the background… more
    Sierra Nevada Company, LLC (12/17/25)
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  • Senior DevSecOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …application-level debugging (eg, troubleshooting pods, services, and Helm deployments). + Active and transferable US government issued TS /SCI security clearance ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (01/15/26)
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  • Principal Signals Software Engineer

    RTX Corporation (Aurora, CO)
    …of operations concepts and requirements. **Qualifications You Must Have** + Active and transferable ** TS /SCI with Polygraph** US government issued ... Type:** Onsite **U.S. Citizen, US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior… more
    RTX Corporation (01/12/26)
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