• Senior Software Development Engineer (SDE)…

    Oracle (Denver, CO)
    …**Basic Qualifications** + Position requires a US Citizens while possessing and maintaining a TS / SCI eligibility with poly required + BS or MS degree in Computer ... connective tissues and purpose-built solutions. We are seeking a **Software Development Engineer (SDE)** to join ASC team within the Oracle Government Defense… more
    Oracle (12/12/25)
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  • Systems Engineer - Mission Management

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI - Current At Raytheon, the foundation of ... US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship… more
    RTX Corporation (12/11/25)
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  • Principal Systems Engineer - Control…

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI - Current At Raytheon, the foundation of ... US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship… more
    RTX Corporation (12/11/25)
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  • Senior Principal Systems Engineer - CI/CD…

    RTX Corporation (Aurora, CO)
    …is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of ... US Person, or Immigration Status Requirements:** Active and transferable US government issued security clearance is required prior to start date.​ US citizenship… more
    RTX Corporation (12/09/25)
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  • Software Engineer Staff

    Lockheed Martin (Boulder, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... \(APEX\) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and development efforts focused… more
    Lockheed Martin (10/31/25)
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  • Sr Software Engineer

    Lockheed Martin (Boulder, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... \(APEX\) team within Lockheed Martin Space is seeking a skilled software engineer to support ongoing programs and internal research and development efforts focused… more
    Lockheed Martin (10/31/25)
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  • Sr Principal Network Engineer

    Northrop Grumman (Aurora, CO)
    …of experience may be considered in lieu of a degree requirement. + **Active TS / SCI with an adjudicated full-scope polygraph at time of application.** + ... Grumman Space Systems (NGSP) seeks to fill a **Senior Principal Network Engineer ** in the Payload and Ground Systems Division Engineering organization supporting… more
    Northrop Grumman (11/21/25)
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  • Senior Systems Engineer , Level 3…

    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 ... build a better tomorrow with you\. As a Systems Engineer , you will be part of the System Engineering...with proven oral and written presentation and interpersonal skills\. ** Security Clearance Statement:** This position requires a government … more
    Lockheed Martin (11/14/25)
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  • DevOps Engineer - Level 3

    Northrop Grumman (Boulder, CO)
    …+ Certifications: CompTIA Security + (SecPlus) + Current and active DoD-issued TS / SCI clearance at the time of application + Technical leadership experience ... in Boulder, Colorado as a Principal (Level 3) DevOps Engineer . **Responsibilities:** + Collaborate with development teams to implement...+ Applicants must have an active US Government DoD Secret security clearance at the time of… more
    Northrop Grumman (10/22/25)
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  • Delivery Practice Manager, WWPS ProServe

    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 ... to deliver a program with multiple and concurrent projects - Current, active US Government Security Clearance of Top Secret or above - Bachelor's degree in… more
    Amazon (11/26/25)
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