• 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 ... health and safety processes and procedural documentation. Preferred Qualifications - TS /SCI security clearance - Experience supporting physical plant operations… more
    Amazon (08/14/25)
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  • Data Center Technician, Data Center Operations

    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 You will be required ... into a better-rounded professional. Basic Qualifications - Current, active US Government Security Clearance of TS /SCI with Polygraph - Associate's degree in… more
    Amazon (08/02/25)
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  • Network Operations Center (NOC) Tier 3

    CACI International (Denver, CO)
    …communications equipment. + Develop and maintain network architecture diagrams **Qualifications:** + Security Clearance: Active TS /SCI with Polygraph + 10+ years ... Information Technology Time Type: Full time Minimum Clearance Required to Start: TS /SCI with Polygraph Employee Type: Regular Percentage of Travel Required: Up to… more
    CACI International (07/26/25)
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  • Operations Research Analyst

    KBR (Peterson AFB, CO)
    …provide decision-quality information and recommendations to senior leaders + An active TS /SCI security clearance Preferred Qualifications: + Master of Science ... Operations Research Analyst Belong. Connect. Grow. with KBR! KBR's National Security Solutions team provides high-end engineering and advanced technology solutions… more
    KBR (07/25/25)
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  • Usspacecom J8 Model-Based System Engineering SME

    KBR (Colorado Springs, CO)
    …US Space Command (USSPACECOM) Modeling, Simulation, and Analytical support. An active TS /SCI clearance is MANDATORY, which is something only a US citizen can ... knowledge to support data storage, configuration control processes, and multi-level security development within the environment. + Work with USSPACECOM to create… more
    KBR (07/18/25)
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  • Senior Satellite Systems Engineer - Clearance…

    Lockheed Martin (Aurora, CO)
    **Description:** Space is a critical domain, connecting our technologies, our security and our humanity\. While others view space as a destination, we see it as a ... solutions, focusing on resiliency and urgency through our 21st Century Security (R) vision\. We're erasing boundaries and forming partnerships across industries and… more
    Lockheed Martin (07/12/25)
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  • Principal Systems Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI with Polygraph At Raytheon, the ... reviews and assessment experience. + **An active and transferable TS /SCI CI Poly US government issued security ...transferable TS /SCI CI Poly US government issued security clearance is required prior to start date. US… more
    RTX Corporation (07/09/25)
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  • Senior Contracts Manager

    CACI International (Colorado Springs, CO)
    …an Bachelor degree in business, finance, or related field. + Current or recent National Security Clearance at the TS /SCI level and willingness to consent to a ... Time Type: Full time Minimum Clearance Required to Start: TS /SCI Employee Type: Regular Percentage of Travel Required: Up...to US government customers in support of critical national security missions. Our 24,000 talented and dynamic employees are… more
    CACI International (06/27/25)
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  • Engineer II - Mission Planning (Onsite)

    RTX Corporation (Aurora, CO)
    …start date.​ US citizenship is required, as only US citizens are eligible for a security clearance​ ** Security Clearance:** TS /SCI with CI Poly - Current At ... Wiki, JavaScript, MySQL, Linux). + **An active and transferable TS /SCI CI Poly US government issued security ...transferable TS /SCI CI Poly US government issued security clearance is required prior to start date. US… more
    RTX Corporation (06/18/25)
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  • Network Engineer, Staff

    Lockheed Martin (Boulder, CO)
    …experience and a BS degree or above\. **Selected candidate must have a Final Secret security clearance prior to start\.** Our employees play an active role ... and work/life balance and more\. **Basic Qualifications:** * Final Secret clearance prior to start and ability to obtain... clearance prior to start and ability to obtain TS /SCI clearance * Hands\-on experience designing, deploying and managing… more
    Lockheed Martin (08/15/25)
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