• Principal Systems Engineer - Military Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Python, and C++. + **Active Top Secret US Security Clearance with SCI eligibility US Security Clearance is required** **Qualifications We Prefer:** + Military ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance. US Citizenship status is required as… more
    Sierra Nevada Company, LLC (08/08/25)
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  • O&M Electrician, Field Engineering

    RTX Corporation (Aurora, CO)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** TS/ SCI with Polygraph Raytheon Intelligence and Space seeks a Senior Maintenance ... Performs other duties and required + Active and transferrable TS/ SCI with polygraph US government issued clearance is required...essential to the development of our products. + Location Information : This position is for an onsite role in… more
    RTX Corporation (08/08/25)
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  • LAN/WAN Engineer SME

    IT Veterans (Colorado Springs, CO)
    LAN/WAN Engineer SME Colorado Springs, CO . Information Technology Apply Now LAN/WAN Engineer SME Colorado Springs, CO Job Summary: IT Veterans is currently seeking ... a LAN/WAN Engineer SME to join our team. You must have an active TS/ SCI clearance with the ability to gain and maintain a CI poly. Job Details: + Advanced knowledge… more
    IT Veterans (08/08/25)
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  • Planning & Scheduling Manager IV

    Lockheed Martin (Littleton, CO)
    …clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/ SCI **Other Important Information You Should Know** **Expression of Interest:** ... Top Secret clearance to be considered and be able to obtain a TS/ SCI **Desired Skills:** * Excellent communication and presentation skills, with the ability to:… more
    Lockheed Martin (08/08/25)
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  • On-Site Support Lead

    Leidos (Colorado Springs, CO)
    …make an impact?** Join the Leidos Digital Modernization (DigiMod) team in accelerating information technology in a changing world where we make a difference by ... changes, with emphasis on operational impacts + ​Collaborate using information and knowledge sharing networks and professional relationships to...various tools is required. + ​Must have an active TS/ SCI security clearance and be a US Citizen. +… more
    Leidos (08/08/25)
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  • O&M COMSEC, Field Engineering

    RTX Corporation (Aurora, CO)
    …only US citizens are eligible for a security clearance​ **Security Clearance:** TS/ SCI with Polygraph Raytheon Intelligence and Space seeks a COMSEC Responsible ... duties with other job functions. + Active and transferrable TS/ SCI with polygraph US government issued clearance is required...essential to the development of our products. + Location Information : This position is for an onsite role in… more
    RTX Corporation (08/08/25)
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  • Configuration Manager

    Leidos (Colorado Springs, CO)
    …make an impact?** Join the Leidos Digital Modernization (DigiMod) team in accelerating information technology in a changing world where we make a difference by ... writing, and problem-solving skills + ​Must have an active TS/ SCI security clearance and be a US Citizen. +...+ ​Must be a US Citizen and have at TS/ SCI ​​ Come break things (in a good way).… more
    Leidos (08/08/25)
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  • Program Manager II- Long Range Effects

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …ability to adapt to dynamic situations + An active Top Secret with SCI eligibility US Security Clearance is required **Qualifications We Prefer:** + Advanced degree ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance. US Citizenship status is required as… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Program Integrator

    CACI International (Denver, CO)
    …Program Management Time Type: Full time Minimum Clearance Required to Start: TS/ SCI with Polygraph Employee Type: Regular Percentage of Travel Required: None Type ... experience and a minimum 5 yrs of related work experience + **TS SCI clearance with appropriate poly** + Excellent communication and briefing skills + Team-building… more
    CACI International (08/08/25)
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  • Defensive Cyber Engineer

    Lockheed Martin (Aurora, CO)
    …clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS/ SCI **Other Important Information You Should Know** **Expression of Interest:** ... through remediation * Experience with SIEM technologies such as LogRhythm or Splunk * TS/ SCI clearance * DoD 8140 \(formerly 8570 IAT II\) Certification * Ability to… more
    Lockheed Martin (08/08/25)
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