• Guidance Navigation and Control Engineer Senior

    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 ... and must meet eligibility requirements for access to classified information \. * Applying to this Expression of Interest opportunity...Control\) design and analysis tasks \- Possess an Active TS or TS / SCI clearance **Desired… more
    Lockheed Martin (12/14/25)
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  • Network Architect Sr Staff - with Clearance

    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 ... start with the ability to obtain & maintain a TS / SCI clearance **Desired Skills:** \-Active TS...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (10/29/25)
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  • Contractor Special Security Officer, Business…

    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 ... **Description:** **This position requires TS / SCI clearance\.** The Business Development Security...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (01/08/26)
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  • Program Security Representative

    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** ... **Description:** **Clearance Requirement: Active TS / SCI with willingness to complete a...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (12/21/25)
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  • Systems Integration and Test Engineer Sr.

    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** ... testing\. Experience with test automation software \(TestComplete\)\. Experience with GEOINT workflows\. TS / SCI clearance needed to start with the ability to… more
    Lockheed Martin (01/16/26)
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  • Software Engineer

    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** ... Martin is seeking a talented **Software Engineer with a TS / SCI clearance** to work from our beautiful...candidate's final work location\. Please note that the salary information is a general guideline only\. Lockheed Martin considers… more
    Lockheed Martin (01/14/26)
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  • Regional Safety Engineer, Data Center Health…

    Amazon (Aurora, CO)
    …candidate selected be a US Citizen and obtain and maintain an active TS / SCI security clearance. Key job responsibilities Daily interactions with our customers ... processes and procedural documentation. - United States citizen with ability to obtain a TS / SCI security clearance. Preferred Qualifications - TS / SCI … more
    Amazon (01/13/26)
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  • Chief Engineer

    Lockheed Martin (Boulder, CO)
    …capabilities * Active Secret security clearance with ability to upgrade to TS / SCI **Desired Skills:** * Excellent communication skills, both oral and written ... clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI **Other Important Information You Should Know** **Expression of… more
    Lockheed Martin (01/11/26)
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  • Digital Signal Processing Engineer

    CACI International (Aurora, 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% ... + Bachelor's degree in a scientific, mathematical, or engineering discipline + Active TS / SCI security clearance + Software defined radio experience to include… more
    CACI International (01/10/26)
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  • Senior Software Engineer

    CACI International (Denver, CO)
    …Job Category: Engineering Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage of Travel Required: ... of hands-on experience in Software Engineering, DevOps, or DevSecOps roles + Current TS / SCI clearance and polygraph preferred or ability to obtain and maintain … more
    CACI International (01/10/26)
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