• Systems Engineer

    Guidehouse (Boulder, CO)
    …be able to OBTAIN and MAINTAIN a Federal or DoD " TOP SECRET / SCI ( TS / SCI )" security clearance . + Bachelor's degree with a focus in a STEM ... Up to 25% ** Clearance Required** **:** Active Top Secret ( TS ) **What You...Have** **:** + An ACTIVE and MAINTAINED TS / SCI Federal or DoD security clearance more
    Guidehouse (08/18/25)
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  • Business Development Analyst - SATCOM Mission…

    Lockheed Martin (Highlands Ranch, CO)
    …5 years with the ability to obtain a TS / SCI **Desired Skills:** * Active TS / SCI security clearance * Advanced degree \(Master's or Ph\.D\.\) in a ... be a United States citizen an have an active Top Secret clearance with a...a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (07/12/25)
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  • Systems Engineer II - Military Operations Research

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Python, and C++. + **Eligible to obtain/maintain Top Secret with SCI eligibility US Security Clearance is required** **Qualifications We Prefer:** + ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance . US Citizenship… more
    Sierra Nevada Company, LLC (07/02/25)
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  • Satellite Systems Crew Chief

    Lockheed Martin (Boulder, CO)
    …* Must be willing and able to work rotational shift work * Active or Current Final Top \- Secret security clearance , with ability to achieve and maintain a ... selects and applies appropriate systems thinking skills * Active TS / SCI security clearance ...a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (08/15/25)
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  • Senior Operations Analyst

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …experience + Operations analysis experience + An active Top Secret with SCI eligibility US Security Clearance . This posting will be open for ... with presentation experience to decision-making and technical audiences + **An active Top Secret security clearance is required** **Preferred:** +… more
    Sierra Nevada Company, LLC (05/30/25)
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  • Dev Sec Ops Engineer Staff

    Lockheed Martin (Colorado Springs, CO)
    …\(Gitlab, ArgoCD\) * Must be a US Citizen; Must be able to obtain and maintain a Top Secret security clearance \. This position is located at a facility ... management skills that enable on\-time project delivery * Active TS / SCI security clearance ...a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (07/19/25)
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  • Information Technology/Assurance (IT/IA)…

    General Dynamics Information Technology (Colorado Springs, CO)
    …**Type of Requisition:** Regular ** Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... efforts. The position will provide "day-to-day" support for Collateral, Sensitive Compartmented Information ( SCI... Security + CE, CCNA Security , etc.) ** Clearance Required to Start:** + TS / SCI more
    General Dynamics Information Technology (07/16/25)
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  • Advanced Programs Chief Engineer VI

    Lockheed Martin (Littleton, CO)
    …to travel up to 25% of the time * Must have an _active_ Top Secret / SCI security clearance **Desired Skills:** * 15\+ years of prior experience ... material _To be considered, you must have an active TS / SCI security clearance \._...a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (07/24/25)
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  • Principal / Sr. Principal Software Engineer…

    Northrop Grumman (Boulder, CO)
    …the ability to obtain and maintain a Top Secret / SCI ( TS / SCI ) security clearance . **Preferred Qualifications:** + A current active in-scope ... US Government DoD issued Top Secret / SCI ( TS / SCI ) security clearance + OO design pattern and modern data structure experience + Configuration… more
    Northrop Grumman (08/13/25)
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  • Systems Architect Staff

    Lockheed Martin (Littleton, CO)
    …design and documentation \- Must be a US Citizen; this position will require a government security clearance \. Top Secret needed to apply and the ability ... \- Prior experience using AI tools for design documentation ** Security Clearance Statement:** This position requires a...a US Citizen for consideration\. ** Clearance Level:** TS / SCI **Other Important Information You… more
    Lockheed Martin (08/16/25)
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