• Engineer Principal - RF Systems

    BAE Systems (Broomfield, CO)
    …the intelligence community. + Current, active TS / SCI or DOD TS security clearance. **Pay Information ** Full-Time Salary Range: $115779 - $196825 Please ... Other incentives may be available based on position level and/or job specifics. ** Engineer Principal - RF Systems Analyst** **114767BR** EEO Career Site Equal… more
    BAE Systems (09/09/25)
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  • Sr Systems Engineer - Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …tools such as Matlab, Python, and C++. + **A current/active Top Secret US Security Clearance with SCI Eligibility is required.** **Qualifications We Prefer** ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (07/18/25)
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  • Engineer Senior CONOPS Active Clearance…

    BAE Systems (Boulder, CO)
    …Active Secret clearance with ability to obtain and maintain a TS / SCI security clearance is required. + Solid Systems Engineering background and ability ... **Job Description** Technical position for a CONOPS/ Systems Engineer with experience in Tasking,...with STK and/or AFSIM. + Experience with Model Based Systems Engineering. **Pay Information ** Full-Time Salary Range:… more
    BAE Systems (09/27/25)
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  • Military Fellowship Program: Systems

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …or standard tools such as Matlab, Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** ... Secret US Security Clearance **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility and current full-scope polygraph… more
    Sierra Nevada Company, LLC (08/14/25)
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  • Raytheon Systems Engineer I…

    RTX Corporation (Aurora, CO)
    …hardware **Qualifications We Prefer:** + Active and in-scope US security clearance of Top Secret + Internship experience supporting system integration and test ... only US citizens are eligible for a security clearance​ **Security Clearance:** DoD Clearance: TS / SCI At Raytheon, the foundation of everything we do is rooted… more
    RTX Corporation (09/30/25)
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  • Systems Engineer Sr

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... who share our passion for excellence and innovation\. If you're a skilled engineer looking for a challenging and rewarding opportunity, join the Erebus Team and… more
    Lockheed Martin (09/13/25)
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  • Principal Systems Engineer - Project…

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... Asana, Smartsheet).. + Experience in leadership role. + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior to… more
    RTX Corporation (09/19/25)
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  • Joint Terminal Engineering Office (JTEO)…

    KBR (Colorado Springs, CO)
    …our Joint Terminal Engineering Office (JTEO) team in Colorado Springs, CO. An active Top Secret clearance with SCI eligibility is required. KBR (formerly ... Title: Joint Terminal Engineering Office (JTEO) Engineer Belong. Connect. Grow. with KBR! KBR's National...Requirements: Minimal Working Hours: Standard Qualifications: Required: + Active Top Secret security clearance with SCI more
    KBR (07/12/25)
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  • Systems Development Engineer I, ADC…

    Amazon (Denver, CO)
    …requires that the candidate selected must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the ... Experience with Linux/Unix - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Experience with CI/CD pipelines… more
    Amazon (08/20/25)
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  • Joint Space Warfighting Modeling, Simulation,…

    Parsons Corporation (Colorado Springs, CO)
    SCI and Special Access Required eligibility **Security Clearance Requirement:** An active Top Secret SCI security clearance is required for this ... respected subject matter experts with brilliant technologists. Are you an experienced Systems Engineer looking to grow your skillset and work on a project that… more
    Parsons Corporation (07/12/25)
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