• Principal Systems Engineer (MBSE) (Onsite))

    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 ... team environment (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required… more
    RTX Corporation (12/03/25)
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  • Senior Platform DevOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of everything we do ... safer, more secure world. As a **Senior Platform DevOps Engineer ** , you will herald a transformative era in...Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (11/29/25)
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  • Senior DevOps Engineer - Autonomous…

    Oracle (Broomfield, CO)
    …services. Career Level - IC3 **Responsibilities** **Qualifications:** + Possess and maintain TS / SCI w/Poly US government security clearance, Must be US Citizen. ... US CITIZENSHIP_** **_as this role will support Oracle's Government Customers_** **_TS/ SCI w/Poly Security Clearance Required_** Are you interested in the exciting… more
    Oracle (11/25/25)
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  • Systems Engineer Staff (Clearance Required)

    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** ... 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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  • 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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  • Senior Principal RF Engineer

    RTX Corporation (Aurora, CO)
    …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 ... Team at Raytheon is looking for a Sr. Principal Engineer , Electrical & Electronics Engineering to be a member...etc), and general maintenance activities + Active and transferable TS / SCI US government issued security clearance is… more
    RTX Corporation (11/12/25)
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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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  • Cable Plant Engineer

    CACI International (Denver, CO)
    Cable Plant Engineer Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: ... managers, and field technicians to gather and interpret technical information + Ensure compliance with industry and customer standards,...experience + 5+ years of related work experience + TS / SCI with Poly required + Proficiency in… more
    CACI International (10/25/25)
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  • Electrical Systems Engineer

    Lockheed Martin (Littleton, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Lockheed Martin seeks an innovative and talented electrical systems engineer to join the Global Security team in Denver,...experience with Class C Programs * Active or Current TS / SCI with T5 investigation \#techsgiving2025 **Security Clearance… more
    Lockheed Martin (10/18/25)
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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 the ... Do you have a deep passion and desire to engineer and operate the world's largest cloud computing infrastructure...issues - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Experience… more
    Amazon (10/16/25)
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