• Surety Integration Engineer

    Lockheed Martin (Englewood, CO)
    …* US Citizenship with the ability to obtain a Top Secret security clearance **Desired Skills:** * Experience with DoD missile systems * Experience working to ... subsystems or fields outside of Systems Engineering * Active DoD security clearance **Security Clearance ..., you must be a US Citizen for consideration\. ** Clearance Level:** Top Secret **Other Important Information… more
    Lockheed Martin (08/10/25)
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  • Tech Writer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …tools, including publishing features of Microsoft Word + Ability to obtain/maintain a Secret US Security Clearance is required **Qualifications We Prefer:** + ... . **IMPORTANT NOTICE:** This position requires the ability to obtain and maintain a Secret US Security Clearance . US Citizenship status is required as this… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Program Manager II- Long Range Effects

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …and demonstrate the ability to adapt to dynamic situations + An active Top Secret with SCI eligibility US Security Clearance is required **Qualifications We ... (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance .… more
    Sierra Nevada Company, LLC (08/08/25)
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  • Systems Operations (SysOps) Engineer

    Parsons Corporation (Colorado Springs, CO)
    …ability to define, manage, and prioritize tasks in a team environment + **Minimum Secret clearance is required to start. Active Top Secret is ... eligibility** + Must be a US Citizen due to DoD contract requirements + Able to obtain DoD...architecture for information technology environments and cloud computing **Security Clearance Requirement:** An active Secret security … more
    Parsons Corporation (06/03/25)
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  • System Engineer Sr.

    Lockheed Martin (Littleton, CO)
    …and customers\. * US Citizenship with the ability to obtain a Top Secret Clearance **Desired Skills:** * Experience using MIL\-STD\-882E, or other relevant ... Groups * Familiarity with Model Based Systems Engineering \(MBSE\) * Active Top Secret Clearance **Security Clearance Statement:** This position requires a… more
    Lockheed Martin (08/23/25)
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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 to ... Familiarity with MBSE concepts * Active or Current Top Secret Clearance ; US Citizenship Required **Desired Skills:**...a Systems Engineering role on a large and complex DoD /IC space hardware development efforts * Demonstrated ability to… more
    Lockheed Martin (08/01/25)
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  • Systems Architect

    Lockheed Martin (Littleton, CO)
    …stakeholders \(suppliers, mission partners and USG laboratories\.\) * US citizenship required, Top Secret clearance required prior to start\. * Be accountable to ... starting in this role * Active or Current Top Secret Clearance ; US Citizenship required **Desired Skills:**...a Systems Architect role on a large and complex DoD /IC space hardware development efforts * Experience applying MBSE… more
    Lockheed Martin (08/01/25)
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  • DevSecOps Engineer III

    Sierra Nevada Company, LLC (Lone Tree, CO)
    …Hat Enterprise Linux and Windows Server virtualized administration and deployment. + **An active Secret US Security Clearance with the ability to obtain a Top ... (https://www.sncorp.com/careers/total-rewards/) . **IMPORTANT NOTICE:** This position requires current/active Top Secret with SCI eligibility US Security Clearance .… more
    Sierra Nevada Company, LLC (07/19/25)
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  • Industrial Security Rep Sr. / Facility Security…

    Lockheed Martin (Littleton, CO)
    …IS AT AU\.S\. BASED LOCKHEED MARTIN FACILITY IN LITTLETON, CO **Basic Qualifications:** * Active Secret Clearance and the Ability to obtain and maintain a Top ... and team roles supporting all contractual security requirements for DoD collateral classified programs * Prepare Standard Practices and...Secret Clearance * Experience as an FSO...Secret Clearance * Experience as an FSO or AFSO or… more
    Lockheed Martin (07/12/25)
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  • Personnel Security Manager

    Lockheed Martin (Littleton, CO)
    **Description:** **Active Top Secret /SCI clearance required \(at start\) with ability to obtain Polygraph\.** Lockheed Martin is seeking an experienced Personnel ... knowledge to improve personnel security processes **Basic Qualifications:** \- Active Top Secret /SCI clearance required \(at start\) with ability to obtain… more
    Lockheed Martin (08/08/25)
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