• Systems Engineer II - Military Operations…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …tools such as Matlab, Python, and C++. + **A current/active Top Secret US Security Clearance with SCI Eligibility is required.** **Qualifications We ... and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its end-to-end… more
    Sierra Nevada Company, LLC (08/20/25)
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  • J3X OIE Planner - Peterson SFB, Colorado Springs,…

    Peraton (Colorado Springs, CO)
    …US Citizenship and a current US Passport with ability to travel internationally. + DoD Top Secret clearance with SCI eligibility. Preferred: + Recent joint ... expert mission analysis, analytic problem solving, and assessment skills; creatively use information systems and information related capabilities (IRC);… more
    Peraton (09/09/25)
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  • Sr Contracts Manager

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and maintain a Top Secret US Security Clearance with access to Sensitive Compartmented Information ( TS / SCI ) is required** **Qualifications We ... it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and... Secret US Security Clearance with access to Sensitive Compartmented Information ( TS more
    Sierra Nevada Company, LLC (10/01/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required **Qualifications We Prefer:** ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Security Specialist II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …willing to learn + Strong attention to detail + **An active Top Secret US Security Clearance with SCI Eligibility is required** **Qualifications We Prefer:** ... in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its… more
    Sierra Nevada Company, LLC (08/24/25)
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  • Sr Security Specialist

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …in ISR and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its ... of 32 CFR 117: National Industrial Security Program (NISPOM) * Must have current/active Top Secret US Security Clearance with the ability to obtain and maintain… more
    Sierra Nevada Company, LLC (09/27/25)
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  • DevSecOps Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …**An active Secret US Security Clearance with the ability to obtain a Top Secret with SCI eligibility required** **Qualifications We Prefer:** + ... and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US… more
    Sierra Nevada Company, LLC (07/19/25)
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  • Sr Military Operations Analyst (Contingent Upon…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and more (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US ... and aviation, it is a leading prime manned and unmanned aircraft systems integrator for innovative, high-performance ISR and aviation systems . Its end-to-end… more
    Sierra Nevada Company, LLC (09/26/25)
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  • Strategic Analysis Program Integrator III

    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 ... in Microsoft applications \(such as Word, PowerPoint, Excel\)\. * Top Secret security clearance with investigation in...* Must possess the ability to handle confidential and sensitive information with the utmost discretion *… more
    Lockheed Martin (09/27/25)
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  • Program Integrator

    CACI International (Denver, CO)
    …or equivalent experience and a minimum 5 yrs of related work experience + ** TS SCI clearance with appropriate poly** + Excellent communication and briefing ... Program Integrator Job Category: Project and Program Management Time...Time Type: Full time Minimum Clearance Required to Start: TS / SCI with Polygraph Employee Type: Regular Percentage… more
    CACI International (08/08/25)
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