• Mechanical Engineer - Design/Analysis Lead

    Lockheed Martin (Littleton, CO)
    Top Secret Security Clearance; desire and ability to obtain/maintain a Top Secret / SCI Security Clearance **Desired Skills:** * Experience leading ... design reviews This position is ideal for an experienced engineer who thrives in fast\-paced environments and is committed...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (10/10/25)
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  • Chief Software Product Owner Level 4

    Northrop Grumman (Aurora, CO)
    …+ **Must have an** **active** **U.S. Government DoD Top Secret / Sensitive Compartmented Information ( SCI ) security clearance at time ... RELOCATION ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time **Description** At Northrop Grumman, our… more
    Northrop Grumman (08/21/25)
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  • RF Engineer (Level II)

    Lockheed Martin (Littleton, CO)
    …a US government issued Top Secret security clearance with adjudicated SCI Eligibility \(i\.e\. TS / SCI \) **Desired Skills:** * Experience with EGSE ... more\. **About the Role:** We are seeking an RF Engineer to join our team in designing, developing, and...must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (08/30/25)
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  • Defensive Cyber Operations Engineer

    ISYS Technologies (Aurora, CO)
    Minimum Clearance Required Top Secret SCI Responsibilities...will be on-site and will require an active * TS / SCI . + Operate with latitude in ... I2X Technologies is seeking a Sr. Defensive Cyber Operations Engineer to support ongoing activities for a customer in...or at any time in the future + Active Top Secret security clearance required + Experience… more
    ISYS Technologies (10/10/25)
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  • Sr. Principal Systems Engineer

    Northrop Grumman (Aurora, CO)
    …with a Master's; 4 years of relevant experience with a PhD. + Must have an active Top Secret / SCI clearance at the time of application and willingness to sit ... RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 25% of...an engineering team lead role **Preferred Qualifications:** + Active TS / SCI with poly + Experience with Model… more
    Northrop Grumman (09/24/25)
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  • Senior Software Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI - Current At Raytheon, the foundation of everything we do is… more
    RTX Corporation (10/09/25)
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  • Software Engineer II (Onsite)

    RTX Corporation (Aurora, CO)
    …clearance is required prior to start date. An active and transferable US government issued Top Secret security clearance that can be crossed over to a TS ... as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do… more
    RTX Corporation (09/26/25)
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  • Guidance, Navigation & Control Staff…

    Lockheed Martin (Highlands Ranch, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... US Citizen and be able/willing to obtain an active Top Secret with CI poly clearance \....Filtering / Attitude Determination \- Willingness to obtain a TS / SCI clearance with CI Poly **Desired Skills:**… more
    Lockheed Martin (09/19/25)
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  • Systems Development Engineer , Faraday

    Amazon (Denver, CO)
    …with CI/CD pipelines build processes - Current, active US Government Security Clearance of Top Secret with SCI eligibility or above Preferred Qualifications ... Region Services team is hiring a cleared Systems Development Engineer to support cloud security services for the US...candidate selected must currently possess and maintain an active TS / SCI security clearance. The position further requires… more
    Amazon (09/27/25)
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  • Mission Demo 4 (MD4) Chief Engineer

    Lockheed Martin (Highlands Ranch, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of ... mentor junior engineers Ability to obtain and maintain a Top Secret security clearance **Desired Skills:** *...Class C/D, IRAD, or "go\-fast" development environment * Active TS / SCI clearance **Security Clearance Statement:** This position… more
    Lockheed Martin (10/01/25)
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