• Senior. Platform Engineer - Linux (FEP)…

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of ... equipment in a secure environment + Active and current TS / SCI / CI Poly security ...of the Department of Defense, handles and adjudicates the security clearance process. More information about … more
    RTX Corporation (12/02/25)
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  • Senior. Platform Engineer - Linux (Onsite)

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI with Polygraph At Raytheon, the foundation of ... Python, Java, Ruby, Bash, C++, C#, Go) + Current TS / SCI CI Poly issued security ...of the Department of Defense, handles and adjudicates the security clearance process. More information about … more
    RTX Corporation (11/19/25)
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  • Chief Systems Engineer

    DCCA (Boulder, CO)
    …Visit our website at: www.dcca.com Chief Systems Engineer Candidate must have an active TS / SCI For over 40 years, DCCA has provided a broad range of IT ... Chief Systems Engineer Location Boulder, CO Job Code 2396 #...facilities (industry and/or Government roles) and possess a current TS clearance with SCI eligibility. The proposed… more
    DCCA (12/04/25)
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  • Ground Systems Engineer , Level 2…

    Lockheed Martin (Colorado Springs, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as... Clearance with the ability to obtain a DoD TS / SCI Clearance **Desired Skills:** * Strong organizational… more
    Lockheed Martin (12/11/25)
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  • Network Infrastructure Engineer I , Amazon…

    Amazon (Aurora, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities - Clearly ... Web Services (AWS) is looking for a Network Infrastructure Engineer to build Amazon Dedicated Cloud regions as part...design, operations, or delivery - Current, active US Government Security Clearance of TS / SCI with… more
    Amazon (10/22/25)
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  • Engineer III

    General Atomics (Centennial, CO)
    …Required:** 0% - 25% **Full-Time/Part-Time:** Full-Time Salary **State:** Colorado **Clearance Level:** Top Secret (current SCI access with CI Poly) ... customers worldwide. We are seeking a Satellite Cable/Harness Design Engineer to join our Space Systems Division team. This...Must be able to obtain and maintain a DoD security clearance. **Desired Skills (ranked high to low):** +… more
    General Atomics (12/11/25)
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  • Principal/Sr. Principal Software Database…

    Northrop Grumman (Aurora, CO)
    …years of related experience, OR STEM PhD and 4 year of related experience. + **Active Top Secret / SCI clearance with CI Polygraph at time of application.** + ... Space Systems is seeking a **Principal/Sr. Principal Software Database Engineer ** with hands-on experience in database engineering, systems administration and… more
    Northrop Grumman (11/26/25)
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  • Mid-Level Systems Engineer

    Leidos (Aurora, CO)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...Solutions Business Area, is currently seeking a Mid-Level Systems Engineer for the Chinook Program. As part of a… more
    Leidos (11/22/25)
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  • Senior Systems Engineer

    Leidos (Aurora, CO)
    …Chantilly, VA + Aurora, CO + St. Louis, MO + Tucson, AZ **Clearance Level Required:** Top Secret with SCI eligibility and able to obtain a Polygraph. ... **Description** Leidos National Security Sector combines technology-enabled services and mission software...currently seeking a highly motivated and experienced Senior Systems Engineer for the Chinook Program. The selected candidate will… more
    Leidos (11/22/25)
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  • X-LAB Software Engineer - Secret

    Lockheed Martin (Schriever AFB, CO)
    …* Experience in the use of software test and analysis tools **Desired Skills:** * Top Secret Clearance with SCI eligibility is a plus * Experience ... experiments\. **Please Note:** * This position requires a government security clearance at the Secret level; you...must be a US Citizen for consideration\. **Clearance Level:** Secret **Other Important Information You Should Know**… more
    Lockheed Martin (11/14/25)
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