• Cloud Enterprise Engineer , US

    Amazon (Denver, CO)
    …come join us ! This position requires that the candidate selected be a US Citizen and must currently possess and maintain an active TS/SCI security clearance ... S3, DynamoDB & RDS databases, Lambda, SageMaker, ECS/EKS, GuardDuty, Systems Manager, CodePipeline, IoT, and many more. Your technical...affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events… more
    Amazon (11/20/25)
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  • Senior Electrical Engineer

    POWER Engineers (Denver, CO)
    …work successfully in a customer-focused, project-oriented environment + Must be a US Citizen **Desired Education/Experience** + Experience designing to NAVFAC ... **Senior Electrical Engineer ** Location **Nationwide** Secondary Locations Job Code **18748**...and medium voltage switchgear, medium voltage substations, and UPS systems . Applicant must have excellent knowledge of and experience… more
    POWER Engineers (09/03/25)
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  • Senior Software Engineer (Top Secret…

    KBR (Colorado Springs, CO)
    …security clearance with the ability to obtain SCI SI/TK, which is something only a US citizen can obtain + Experience and Education: MS degree in Computer ... across all projects. Our team is passionate, forward-thinking, and united by a mission-first mindset that encourages knowledge sharing,...capabilities. KBR is seeking a highly motivated Senior Software Engineer to join us in supporting our… more
    KBR (11/07/25)
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  • Clean Energy Analyst - Engineer

    Cadmus (Boulder, CO)
    …Candidates must be eligible to work in the United States as a US Perm Resident or US Citizen . Based on eligibility and job status, Cadmus ... consultant, and to draw valuable conclusions by collecting/analyzing data on how complex systems operate under real-world conditions. This will be part of a broader… more
    Cadmus (10/30/25)
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  • Guidance, Navigation & Control Engineer

    Lockheed Martin (Littleton, CO)
    …This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI **Other Important Information ... next generation\. And we're reimagining how space can connect us , ensuring security and prosperity\. Join us ...required to solve the challenging problems of controlling spacecraft systems in a harsh, zero\-g environment\. **About the Role**… more
    Lockheed Martin (11/20/25)
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  • Space Vehicle Sr. Test Engineer

    Lockheed Martin (Littleton, CO)
    …willingness to work overtime supporting off\-shifts and weekends as needed\. * Must be a US Citizen with Top Secret clearance with the ability to obtain a TS/SCI ... This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI **Other Important Information… more
    Lockheed Martin (09/19/25)
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  • Electronics Engineer IV, Avionics CCA…

    Lockheed Martin (Littleton, CO)
    …professional experience\. * Must have an active DoD **Secret clearance** , thus you are a ** US Citizen ** \. - - - **Why Lockheed Martin?** Our employees play an ... **Description:** Join Our Team as an **Avionics CCA Design Engineer ** where you will work on the development of...requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret… more
    Lockheed Martin (10/02/25)
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  • Electronics Engineer Senior

    Lockheed Martin (Littleton, CO)
    …This position requires a government security clearance, you must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information ... the workforce to fuel the next generation\. And we're reimagining how space can connect us , ensuring security and prosperity\. Join us in shaping a new era in… more
    Lockheed Martin (11/28/25)
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  • SCI Cloud Engineer

    Leidos (Colorado Springs, CO)
    …experience, additional years of experience may be accepted in lieu of a degree. + US Citizen and Possession of a current Active DoD TS/SCI Clearance + Minimum ... in networking and infrastructure automation in Colorado Springs CO to support the US Space Force's Space Systems Command (SSC), Operational Command and Control… more
    Leidos (11/11/25)
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  • Principal/ Senior Principal ASIC DFT…

    Northrop Grumman (Aurora, CO)
    …100% onsite in Linthicum, MD, Beavercreek, OH or Aurora, CO. **Candidate MUST be a US Citizen and have the ability to obtain and maintain an active clearance.** ... our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today,...to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological… more
    Northrop Grumman (11/21/25)
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