• Senior Command & Telemetry Software Engnr (Onsite)

    RTX Corporation (Aurora, CO)
    … clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (08/08/25)
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  • Software Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    … clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (07/30/25)
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  • Senior Principal Software Cloud Architect (Onsite)

    RTX Corporation (Aurora, CO)
    … clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (07/22/25)
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  • Software Development Engineer

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    security clearance + Must be able to obtain and maintain a Top - Secret security clearance Preferred Skills and Experience + Experience with Agile ... Methodologies + Experience with Socket.io + Experience with Material UI + Experience with D3.js + Experience with CesiumJS + Python + Java + C/C++ #LI-Onsite The grade-based pay range for this job is listed below. Individual salaries within that range are… more
    Kratos Defense & Security Solutions, Inc. (08/01/25)
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  • Senior Cyber Security Engineer (P3)

    RTX Corporation (Aurora, CO)
    …5 years of prior relevant experience + Active and transferable US government issued DoD Top Secret with CI Polygraph security clearance is required prior to ... Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship is… more
    RTX Corporation (08/15/25)
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  • Sr Software Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Top Secret US Security Clearance. US Citizenship status is required ... years of relevant experience + The ability to obtain/maintain a Secret US Security Clearance is required + Experience with architecting and developing embedded… more
    Sierra Nevada Company, LLC (06/03/25)
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  • Dev Sec Ops Engineer Staff

    Lockheed Martin (Colorado Springs, CO)
    …\(Gitlab, ArgoCD\) * Must be a US Citizen; Must be able to obtain and maintain a Top Secret security clearance\. This position is located at a facility that ... **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a… more
    Lockheed Martin (07/19/25)
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  • Ground Program Manager

    Parsons Corporation (Colorado Springs, CO)
    …the next generation of Parsons leaders ** Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this position.​ ... as appropriate. **What Required Skills You'll Bring** **:** + ** Top Secret (TS) DoD clearance with SCI...provide services and solutions in the areas of defense, security , intelligence, infrastructure, and environmental. We promote a culture… more
    Parsons Corporation (08/02/25)
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  • Propulsion Long Range Strategy Lead

    Lockheed Martin (Englewood, CO)
    …experience with an understanding of continuous improvement concepts \- Current US DoD TOP SECRET Clearance ** Security Clearance Statement:** This position ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as...must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should… more
    Lockheed Martin (07/30/25)
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  • Hardware / Software Integrator Lead

    Lockheed Martin (Littleton, CO)
    …Engineering \(e\.g\., Electrical, Mechanical, Propulsion, RF, Software, etc\.\) * Active or Current Top Secret security clearance with eligibility for SCI \- ... mission that matters most\. Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see… more
    Lockheed Martin (08/15/25)
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