• Sentinel - Principal Engineer Systems (CC2)

    Northrop Grumman (Colorado Springs, CO)
    …For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a ... to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological...Defense Systems is seeking to hire a Principal Systems Engineer to join its team of diverse and qualified… more
    Northrop Grumman (07/26/25)
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  • Engineer Senior RF Communication Subsystem…

    BAE Systems (Boulder, CO)
    **Job Description** ** US CITIZENSHIP REQUIRED** Join the Space Vehicle Systems Engineering Telecommunications team at BAE Systems SMS - a group of motivated ... Support identification, procurement, development, test, and integration of hardware, software , and support equipment. + Manage an incremental assembly, integration,… more
    BAE Systems (07/10/25)
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  • Principal Network Engineer (*TS/SCI & Poly…

    Northrop Grumman (Aurora, CO)
    …For our complete EEO and pay transparency statement, please visit http://www.northropgrumman.com/EEO. US Citizenship is required for all positions with a ... to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological...Northrop Grumman Space Systems is seeking a TierII Network Engineer to join our team based in the Aurora,… more
    Northrop Grumman (07/10/25)
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  • Engineer Senior Principal II RF Payload…

    BAE Systems (Broomfield, CO)
    **Job Description** ** US CITIZENSHIP REQUIRED** This position is for an experienced engineer , scientist or physicist to provide engineering leadership for ... a university, college, or school which is accredited by an agency recognized by the US Secretary of Education, US Department of Education. + A future TS/SCI… more
    BAE Systems (06/19/25)
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  • Missile Systems Integration & Test Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …. **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance. US Citizenship status is required as this ... Corporation (SNC) is seeking a dynamic and skilled Systems Integration & Test Engineer to play a critical role in the research, design, development, testing,… more
    Sierra Nevada Company, LLC (06/02/25)
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  • Senior Lead Information Security Engineer

    Lumen (Denver, CO)
    …Familiar with integrated network, data center, virtualization, and cloud architectures. * US Citizenship required; must be eligible for government security ... you need to thrive and deliver lasting impact. Join us as we digitally connect the world and shape...a highly skilled and experienced Senior Lead Information Security Engineer specializing in MTIPS policy and design, to join… more
    Lumen (08/08/25)
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  • RedHat Openshift Engineer - FORGE

    SciTec (Boulder, CO)
    …Notice: SciTec exclusively works on US government contracts that require US citizenship for all employees. SciTec cannot sponsor or assume sponsorship ... of employee work visas of any type. Further, US citizenship is a requirement to obtain...has an immediate opportunity for a talented RedHat Openshift Engineer to join our team in Boulder, CO. Successful… more
    SciTec (06/09/25)
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  • Big Data Engineer

    EchoStar (Littleton, CO)
    …records will be considered for employment in accordance with local, state, and federal law. US Citizenship is required for certain positions. EEO is the law. At ... whiteboarding or technical assessment session.** As a Big Data Engineer on our 5G Network Analytics team, you will...Support data and cloud transformation initiatives + Support our software engineers and data scientists + Understand the latest… more
    EchoStar (08/09/25)
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  • Mechanical Test Engineer

    Lockheed Martin (Englewood, CO)
    …reviewing test procedures *Desire and ability to own technical challenges through solution * US Citizenship with the ability to obtain and maintain a Secret ... If this describes you, come join our team as our next Propulsion/Ordnance/Controls Engineer \! As a component test engineer on the post\-boost control team,… more
    Lockheed Martin (07/12/25)
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  • Staff / Sr Staff DevSecOps Engineer

    SciTec (Boulder, CO)
    …Notice: SciTec exclusively works on US government contracts that require US citizenship for all employees. SciTec cannot sponsor or assume sponsorship ... of employee work visas of any type. Further, US citizenship is a requirement to obtain...maintain, and improve CI pipelines (GitLab CI) for secure software builds and deployments. + Orchestrate automated deployments across… more
    SciTec (07/05/25)
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