• Systems Engineer

    Lockheed Martin (Littleton, CO)
    …and leadership skills with the ability to engage internal and external stakeholders\. * Active DoD Top Secret clearance or higher, or the ability to obtain ... mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\....Notes** * Candidates may be subject to a government security investigation and must meet eligibility requirements for access… more
    Lockheed Martin (11/02/25)
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  • Experienced Systems Engineer

    Lockheed Martin (Littleton, CO)
    …stakeholders \(suppliers, mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\. * Be accountable ... fields and operates systems for a variety of national security mission partners for a growing program in SPP...* Familiarity with MBSE concepts * Active or Current Top Secret Clearance; US Citizenship Required **Desired… more
    Lockheed Martin (10/31/25)
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  • Project Engineer, Senior Staff

    Lockheed Martin (Englewood, CO)
    …You will need to be a US Citizen, andbe able to **obtain** and maintain a US DoD TOP SECRET clearance, to support this government contract, as well as ... through difficult project and resource challenges to deliver results\. * Active Top Secret Security Clearance - - - **PLEASE NOTE\-Other important… more
    Lockheed Martin (08/13/25)
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  • Software License Manager

    GovCIO (Denver, CO)
    …etc. Extensive knowledge on identifying unused or underutilized software licenses + CompTIA Security + or equivalent DoD 8570 IAT Level II cert pending contract ... licensing usage and reduce cost while maintaining full compliance with DoD mandates. + Responsible for procuring software licenses, negotiating contracts with… more
    GovCIO (09/27/25)
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  • Coordination/Correlation Systems Engineer, Manager

    Lockheed Martin (Littleton, CO)
    … clearance, you must be a US Citizen for consideration\. **Clearance Level:** Top Secret **Other Important Information You Should Know** **Expression of ... life cycles from proposal to delivery\. * US Citizenship with an active Secret clearance\. **Desired Skills:** \- Government/ DoD Experience \- Basic programming… more
    Lockheed Martin (10/24/25)
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  • Solution Architect III

    Sierra Nevada Company, LLC (Englewood, CO)
    …ability to influence and drive consensus among stakeholders. + **Ability to obtain/maintain a Top Secret US Security Clearance with SCI eligibility is ... position requires the ability to obtain and maintain a Top Secret US Security Clearance.... clearance. The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative… more
    Sierra Nevada Company, LLC (11/01/25)
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  • Sr Project Engineer - Integrated Digital…

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Experience in setting up server rooms + **The ability to obtain and maintain a Top Secret US Security Clearance is required** **Qualifications We Prefer:** + ... position requires the ability to obtain and maintain a Top Secret US Security Clearance.... clearance. The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative… more
    Sierra Nevada Company, LLC (10/28/25)
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  • Sr Systems Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and Verification and Validation (V&V) principles + The ability to obtain and maintain a Top Secret US Security Clearance is required + Systems Engineering ... position requires the ability to obtain and maintain a Top Secret US Security Clearance.... clearance. The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Project Engineer II

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …requirements management, system design, integration + The ability to obtain and maintain a Top Secret US Security Clearance is required + **Domain ... position requires the ability to obtain and maintain a Top Secret US Security Clearance.... clearance. The Department of Defense Consolidated Adjudications Facility ( DoD CAF), a federal government agency, handles the adjudicative… more
    Sierra Nevada Company, LLC (09/24/25)
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  • Principal Software Engineer

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …to drive system architecture making an impact on a software engineering team + Active Top Secret US Security Clearance w/ SCI eligibility is required ... . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance. US Citizenship… more
    Sierra Nevada Company, LLC (08/08/25)
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