• Senior Systems Engineer (Onsite)

    RTX Corporation (Schriever AFB, CO)
    …US citizens are eligible for a security clearance​ **Security Clearance:** TS/SCI with CI Poly - Current At Raytheon, the foundation of everything we do is rooted in ... impact reviews and assessment experience. + **An active and transferable TS/SCI CI Poly US government issued security clearance is required prior to start date. US… more
    RTX Corporation (12/17/25)
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  • Guidance, Navigation, & Control Engineer (Level…

    Lockheed Martin (Littleton, CO)
    …consent to Polygraph Examination **Desired Skills:** * Active TS/SCI clearance with CI Poly \. * Experience with flight software development and autocode to C\+\+\. * ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/13/25)
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  • Full-stack Software Engineer Level 3 or 4

    Northrop Grumman (Aurora, CO)
    …at time of application.** + Ability to pass a Counterintelligence Polygraph (CI- Poly ) (not required to start) + Experience developing applications in Java + ... Science, Software Engineering, or similar + Prior completed Counterintelligence Polygraph (CI- Poly ) + Prior engineering or development experience within the US Space… more
    Northrop Grumman (12/12/25)
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  • Guidance, Navigation & Control Engineer (Senior,…

    Lockheed Martin (Highlands Ranch, CO)
    …on control system design & analysis * Possess active TS/SCI clearance with CI Poly * Experience with flight software development and autocode to C\+\+ * Jitter ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/11/25)
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  • Electro-Optical Model Based Systems Engineer…

    Lockheed Martin (Louisville, CO)
    …subsystem requirements\. * Must be able to obtain and maintain a TS/SCI w/ Poly clearance\. **Desired Skills:** * Demonstrated teamwork and the ability to work ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/06/25)
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  • Electro-Optical Systems Engineer (Level IV)

    Lockheed Martin (Louisville, CO)
    …writing * Must have the ability to obtain & maintain a TS/SCI w/ Poly security clearance **Desired Skills:** * Ability to work under consultative guidance with ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/06/25)
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  • Sr Systems Engineer - System Safety Engineer

    Lockheed Martin (Littleton, CO)
    …Active TS Clearance * US Citizenship\. **Desired Skills:** * TS\-SCI with Poly * Experience using MIL\-STD\-882E, DO\-178C, AFSPCMAN 91\-710, or other relevant ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (12/04/25)
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  • Senior DevOps Engineer- Autonomous Database

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

    Lockheed Martin (Littleton, CO)
    …and tools \(i\.e\. CAMEO, etc\.\) * Active or Current TS/SCI clearance with Poly ; US Citizenship Required **Desired Skills:** * Experience with Class C/D space ... you must be a US Citizen for consideration\. **Clearance Level:** TS/SCI w/ Poly **Other Important Information You Should Know** **Expression of Interest:** By… more
    Lockheed Martin (11/22/25)
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  • Program Quality Engineer Staff (TS clearance)

    Lockheed Martin (Littleton, CO)
    …clearance is required to start with the ability to obtain a TS/SCI w/ Poly security clearance\. * Ability to work off\-shifts and weekends\. Position will require ... Experience making Preliminary Review / MRB decisions\. * Active TS/SCI w/ Poly clearance\. **Security Clearance Statement:** This position requires a government… more
    Lockheed Martin (11/19/25)
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