• Systems Administrator (TS/SCI with Poly…

    Fluor (Aurora, CO)
    …of Defense and the Intelligence Community. **Job Description** Must possess a clearance at the TS/SCI access level, and have favorably completed a government ... network environment using a VMware backend infrastructure. Analyze and test new software and software version upgrades in test environments before deploying… more
    Fluor (07/30/25)
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  • Information Security Engineer

    Lumen (Denver, CO)
    …world and shape the future. **The Role** Black Lotus Labs is seeking a Principal Security Engineer on the Research & Analysis team. This team leverages Lumen's ... + Spearhead thought leadership initiatives by leading Black Lotus Lab's voice at security conferences and internal executive briefings. **What We Look For in a… more
    Lumen (08/30/25)
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  • Sr Staff Systems Architect - Top Secret…

    Lockheed Martin (Littleton, CO)
    …* Experience with using artificial intelligence \(AI\) to augment systems and software implementation efforts\. ** Security Clearance Statement:** This ... Facility in Littleton CO"\. **Basic Qualifications:** * Current/Active DoD Top Secret Security Clearance with SCI eligibility * Demonstrated knowledge of systems… more
    Lockheed Martin (09/24/25)
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  • DevOps Engineer / Principal DevOps…

    Northrop Grumman (Boulder, CO)
    …needs + Applicants must have a current active in-scope US Government DoD issued Secret security clearance at the time of application and is required to start. ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the...document bugs and enhancements + Enhancing and sustaining maintainability, security and control of system software . Seeking… more
    Northrop Grumman (09/11/25)
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  • Senior Systems Integration Engineer

    RTX Corporation (Aurora, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Will Do** + We are seeking a Systems Integration Engineer II to join our Engineering team in Aurora,… more
    RTX Corporation (09/27/25)
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  • DevSecOps / Cloud Engineer

    DCCA (Broomfield, CO)
    …a Bachelor's Degree in Computer Science or Computer Engineering or other technical degree. A security clearance or the ability to obtain a security ... compensation and benefits package. Visit our website at: www.dcca.com DevSecOps / Cloud Engineer Candidates MUST have an active TS/SCI Clearance For over 40… more
    DCCA (08/29/25)
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  • Senior System Engineer

    RTX Corporation (Colorado Springs, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Interoperability for Domestic and International customers. The Senior Systems Engineer will be part of a Modeling and Simulation… more
    RTX Corporation (08/26/25)
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  • Senior Principal Radar Systems Engineer

    RTX Corporation (Colorado Springs, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...Domestic and International customers. The Senior Principal Radar Systems Engineer will be part of a Colorado Springs, Colorado-based… more
    RTX Corporation (10/01/25)
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  • Senior S/w Configuration Management…

    RTX Corporation (Colorado Springs, CO)
    …US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship ... required, as only US citizens are eligible for a security clearance ​ ** Security Clearance...(COTS) and tools. SWCM department is hiring a Senior Software Configuration Management Engineer , to work as… more
    RTX Corporation (08/21/25)
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  • RF Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    …and measurement equipment, including spectrum analyzers, signal generators, and oscilloscopes Security Clearance / Work Authorization: * To meet requirements ... software \-defined radio systems\. **What You'll Do:** The RF Engineer will play a key role in ensuring the...eligible to obtain a US government issued Top Secret security clearance with adjudicated SCI Eligibility \(i\.e\.… more
    Lockheed Martin (08/30/25)
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