• Principal Systems Engineer (MBSE) (Onsite))

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the ... (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior… more
    RTX Corporation (12/03/25)
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  • Facility Operations Center Engineer , ADC…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. The position further requires the ... cooling to the platform 24x7x365. We support Data Center Engineer Operations teams who are responsible for the operation... systems/infrastructure work experience - Current, active US Government Security Clearance of TS / SCI with… more
    Amazon (10/23/25)
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  • Senior DevOps Engineer - Autonomous…

    Oracle (Broomfield, CO)
    …various services. Career Level - IC3 **Responsibilities** **Qualifications:** + Possess and maintain TS / SCI w/Poly US government security clearance, Must be ... CITIZENSHIP_** **_as this role will support Oracle's Government Customers_** **_TS/ SCI w/Poly Security Clearance Required_** Are you...of databases in the cloud. It is built on top of Oracle's Cloud Infrastructure (OCI) Layer. The autonomous… more
    Oracle (11/25/25)
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  • ADC Engineer I, Amazon Dedicated Cloud…

    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 ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...for technical IT issues - Current, active US Government Security Clearance of TS / SCI with… more
    Amazon (10/16/25)
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  • Systems Engineer Staff (Clearance Required)

    Lockheed Martin (Littleton, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** **Expression ... look like?** SPP Alpha is looking for a system engineer to join a fast\-growing, dynamic program\. If you...and tools \(i\.e\. CAMEO, etc\.\) * Active or Current TS / SCI clearance with Poly; US Citizenship Required… more
    Lockheed Martin (11/22/25)
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  • Software Engineer

    CACI International (Denver, CO)
    … Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type ... Knowledge of Microsoft software applications and other software applications as required **A TS / SCI clearance is required to begin employment. For this position,… more
    CACI International (11/07/25)
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  • Ground Systems Engineer

    KIHOMAC (Colorado Springs, CO)
    …+ Active DoD issued Secret Clearance required + Active DoD issued Top / Secret SCI clearance preferred Physical Requirements: + Able to occasionally ... Team Leads: infrastructure, networks, integration, logistics plans, cybersecurity and physical security protection plans, and cost and schedule estimates for the… more
    KIHOMAC (12/11/25)
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  • Engineer Senior Mission Systems Integration

    BAE Systems (Boulder, CO)
    …by the US Secretary of Education, US Department of Education. + A current, active TS / SCI security clearance is required with ability to obtain and maintain ... TS / SCI Polygraph. + Experience developing mission level...and delegate as required to meet all objectives. **Pay Information ** Full-Time Salary Range: $95106 - $161680 Please note:… more
    BAE Systems (12/16/25)
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  • Space Protection Engineer

    Stratos Solutions (Colorado Springs, CO)
    Location: Colorado Springs, CO Minimum Clearance Requirements: TS / SCI with Poly Position Overview Stratos Solutions is seeking a highly skilled Space Protection ... Engineer to provide Systems Engineering and Technical Advisory (SETA)...delivery. Required Qualifications + US Citizenship and an active TS / SCI clearance with polygraph. + Bachelor's Degree… more
    Stratos Solutions (12/09/25)
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  • Ground Systems Engineer

    SAIC (Aurora, CO)
    …a customer facility. Work will be performed in the **Aurora, CO** area. An active TS / SCI clearance with current polygraph is required to start and must be ... **Description** SAIC is seeking a **Ground Systems Engineer ** to work on complex projects crucial to...**Required:** + Must be a US Citizen. + Active TS / SCI clearance with current polygraph is required… more
    SAIC (11/18/25)
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