• Fidelis Administrator - Active TS

    ENS Solutions (Norfolk, VA)
    …Install, configure and manage operating system and application software as necessary. Support Linux & Windows systems engineering efforts in system design and ... the appliance via SSH or Console Port + Experience operating and maintaining Linux servers, including operating systems and applications, patching, and other… more
    ENS Solutions (09/27/25)
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  • Network Administrator ( TS /SCI…

    Fluor (Las Cruces, NM)
    …Defense and the Intelligence Community. **Job Description** This position requires an active TS /SCI w CI Poly Clearance The Network Administrator has advanced ... development, implementation and integration of IT solutions. The Network Administrator analyzes, evaluates, and recommends innovative solutions. Proficient with… more
    Fluor (07/15/25)
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  • Cleared IT Systems Administrator

    BAE Systems (Broomfield, CO)
    Systems Space and Mission Systems is seeking an experienced Linux System Administrator that will support the implementation, troubleshooting and ... maintenance of Red Hat Enterprise Linux IT Systems . You will be responsible...based on position level and/or job specifics. **Cleared IT Systems Administrator Senior** **115020BR** EEO Career Site… more
    BAE Systems (09/09/25)
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  • HPC Engineer, Staff / TS /SCI w/Poly…

    Lockheed Martin (King Of Prussia, PA)
    …Security network, including configuration management, build automation, and release engineering\. This Systems Administrator role will manage Linux server ... \(SCM\) processes **Basic Qualifications:** * Security \+ certification required * Top Secret /SCI security clearance with a polygraph \(requires U\.S\.… more
    Lockheed Martin (08/08/25)
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  • Network Systems Engineer - TS /SCI…

    Parsons Corporation (Mclean, VA)
    …to learning and applying new technologies. **Security Clearance Requirement:** An active Top Secret SCI w/Polygraph security clearance is required for this ... you're looking for. **Job Description:** Parsons is looking for an amazingly talented **Network Systems Engineer** to join our team! In this role, you will get to… more
    Parsons Corporation (09/09/25)
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  • Network Support Technician - Senior - TS

    General Dynamics Information Technology (Killeen, TX)
    …RQ207137 **Type of Requisition:** SCA **Clearance Level Must Be Able to Obtain:** Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job ... + Required Computing Environment Certification:MCSA Windows Server 2012, Solaris 10, Linux +, VCP5, Azure Administrator Fundamentals etc + **Role Requirements**… more
    General Dynamics Information Technology (09/16/25)
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  • TS /SCI Low Band System Software Support…

    Insight Global (Hampton, VA)
    systems , servers, storage, and network connectivity. Additionally, this Systems Administrator will provide system administration for assigned infrastructure, ... possible that requires an active TSSCI clearance or a Top - Secret clearance with SCI eligibility. This is...(Distributed Common Ground Systems ) experience - 3+ years of Airforce SIGINT (Signals Intelligence) experience - Linux /Unix… more
    Insight Global (09/24/25)
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  • Linux System Administrator

    Parsons Corporation (Colorado Springs, CO)
    …Engineering field from an accredited university with minimum 8 years of experience + Top Secret ( TS ) security clearance with eligibility for Secret ... need your help. Our team is looking for a ** Linux System Administrator ** . In this role...Experience with configuration management **Security Clearance Requirement:** An active Top Secret SCI security clearance is required… more
    Parsons Corporation (09/04/25)
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  • Unix & Linux System Administrator

    Lockheed Martin (Camden, NJ)
    …be able to obtain and maintain a DoD government security clearance at the Top Secret level\. Learn more about life in Moorestown, NJ here\! ... Environment & Infrastructure Solutions team is seeking a System Administrator skilled in Unix & Linux to...start and the ability to obtain and Maintain a Top Secret clearance\. **Desired Skills:** * Familiarity… more
    Lockheed Martin (08/22/25)
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  • Specialist, System Administration - TS /SCI…

    L3Harris (Rochester, NY)
    …air, land, sea and cyber domains in the interest of national security. Job Title: Systems Administrator - TS /SCI Job Code: 29273 Job Location: Rochester, NY ... responsible for maintaining, managing, configuring, and troubleshooting Windows and/or Linux systems in secure program areas. Duties include installing,… more
    L3Harris (09/27/25)
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