• Senior Systems Engineer (MBSE) (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... environment (Government, Military, SETA, and Contractor). + **An active and transferable TS / SCI CI Poly US government issued security clearance is required prior… more
    RTX Corporation (01/06/26)
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  • Information System Security Manager

    Kratos Defense & Security Solutions, Inc. (Colorado Springs, CO)
    …as an ISSM or equivalent duties in a supervisory capacity. + Experience in TS // SCI environments. + An in-depth knowledge of the DISA Risk Management Framework ... + Comfortability with briefing large audiences and project/government leads. + Active TS security clearance with SCI eligibility. Preferred Skills and Experience… more
    Kratos Defense & Security Solutions, Inc. (01/03/26)
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  • Subcontract PM, Supplier Relationship Management

    Lockheed Martin (Highlands Ranch, CO)
    …security clearance, you must be a US Citizen for consideration\. **Clearance Level:** TS / SCI w/Poly **Other Important Information You Should Know** ... possess and be able to maintain a US DoD TS / SCI with Poly clearance,to support this government...order to meet eligibility requirements for access to classified information \. **Desired Skills:** **To be effective, ideally, you should… more
    Lockheed Martin (01/01/26)
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  • Data Scientist

    GliaCell Technologies (Aurora, CO)
    An active or rein-statable TS / SCI with Polygraph security clearance is REQUIRED. Please do not apply if you currently do not possess this level of clearance. Are ... position you must have the following: + Possess an active or rein-statable TS / SCI with Polygraph security clearance + US Citizenship. + 3+ years of experience… more
    GliaCell Technologies (12/31/25)
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  • Ground Operations Floor Transition Lead

    BOOZ, ALLEN & HAMILTON, INC. (Colorado Springs, CO)
    …investigation and may need to meet eligibility requirements for access to classified information ; TS / SCI clearance is required. Compensation At Booz Allen, ... Booz Allen Hamilton's Strategic team to work on a top -priority program. On our team, you will work with...fielding and operational acceptance of new space systems + TS / SCI clearance + Bachelor's degree Nice If… more
    BOOZ, ALLEN & HAMILTON, INC. (12/31/25)
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  • Senior DevSecOps Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI without Polygraph At Raytheon, the foundation of everything we do ... pods, services, and Helm deployments). + Active and transferable US government issued TS / SCI security clearance is required prior to start date. US citizenship… more
    RTX Corporation (12/30/25)
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  • Hardware Engineer, Level 2 - Clearance Required

    Lockheed Martin (Aurora, CO)
    …\- Active Secret security clearance \(the ability to obtain a TS / SCI clearance\) **Desired Skills:** \- Background in technology, engineering, software, ... Systems Experience \- Experience with large complex systems \- Active TS / SCI security clearance **Security Clearance Statement:** This position requires… more
    Lockheed Martin (12/30/25)
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  • Program Security Officer, US Amazon Dedicated…

    Amazon (Denver, CO)
    …selected be a US Citizen and must currently possess and maintain an active TS / SCI security clearance with polygraph. Key job responsibilities - Responsible for ... and Access Control Systems - Current, active US Government Security Clearance of TS / SCI with Polygraph Preferred Qualifications - Bachelor's degree or equivalent… more
    Amazon (12/26/25)
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  • Software Developer

    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: ... _Required:_ + 5+ years of experience in Software Engineering + Current TS / SCI clearance and polygraph preferred + Strong experience with modern JavaScript… more
    CACI International (12/23/25)
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  • Senior Platform Network Engineer (Onsite)

    RTX Corporation (Aurora, CO)
    …required, as only US citizens are eligible for a security clearance​ **Security Clearance:** TS / SCI with CI Poly - Current At Raytheon, the foundation of ... Technology Engineering Math (STEM) in Computer Science, Computer Engineering, Information Technology or Physics and a minimum 5 years...90 days after starting in the role + Current TS / SCI with CI Poly security clearance is… more
    RTX Corporation (12/19/25)
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