• Senior Systems Administrator…

    General Dynamics Information Technology (Quantico, VA)
    …be TS/SCI eligible) + **Required Experience:** + 5+ years of experience with Systems Administration , general computer system , network administration , ... Infrastructure and Operations **Skills:** Mobile Device Management (MDM),Next-Generation Network (NGN), System Administration **Certifications:** Security+ CE - CompTIA… more
    General Dynamics Information Technology (08/09/25)
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  • Senior Systems Engineer - TS/SCI…

    General Dynamics Information Technology (Washington, DC)
    …vSphere** , with emphasis on automation, and enterprise storage and backup system administration , installation and on-going maintenance experience. + Maintain ... systems including the transition and migration of corporate systems + Perform systems administration ...System (OS) installation** , and other local area system administration related functions + Provides installation… more
    General Dynamics Information Technology (09/10/25)
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  • Senior Systems Administrator

    Robert Half Technology (Robbinsdale, MN)
    Description We are looking for an experienced Senior Systems Administrator to oversee and enhance enterprise-level data protection, disaster recovery, and IT ... will bring expertise in backup solutions, virtualization technologies, and Linux systems administration . Responsibilities: * Lead the evaluation, selection, and… more
    Robert Half Technology (09/26/25)
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  • Senior Principal Systems Engineer…

    RTX Corporation (Marlborough, MA)
    …problems that create a safer, more secure world. Raytheon is seeking a well-qualified ** Senior Principal System Security Engineer (SSE) - P5** to join the ... system impacts, and effectiveness + Provide leadership in support of administrative tasking such as system documentation, account management, schedule… more
    RTX Corporation (09/17/25)
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  • Systems Engineer Senior

    General Dynamics Information Technology (Macdill AFB, FL)
    …Family:** IT Infrastructure and Operations **Skills:** Active Directory (AD),Complex Systems ,Computer Servers, System Administration , Systems Engineering ... while you advance your career. Join GDIT as a Systems Engineer Senior and build an impactful...our customer. * Designs server and application architectures; performs administrative operation and maintenance functions of server hardware and… more
    General Dynamics Information Technology (10/13/25)
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  • Senior Systems Administrator- SCITES

    PingWind INC (Doral, FL)
    …etc. + MECM configuration and administration + Software deployment/upgrades + Windows 10/11 operating system maintenance and deployments + Administer VMware ... Senior Systems Administrator- SCITES Doral, FL...level Required Experience: Five plus (5+) years' experience in System Administration or a related IT career… more
    PingWind INC (08/13/25)
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  • Senior System Administrator

    Synergy ECP (Columbia, MD)
    Senior System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Company Description: Synergy ECP is a Service Disabled ... other protected class. Job Description: This position is for System Administration support for development and production...Maintenance of Virtual Machines ? VCenter/VMWare o Linux and Windows operating systems ? CentOS, RedHat, … more
    Synergy ECP (10/15/25)
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  • Senior Systems Administrator

    RTX Corporation (Tucson, AZ)
    …integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator** , internally known as Senior Analyst, ... collaborate and support exciting, critical programs with classified information system capabilities. Success in this role means you can...You Will Do:** + Provide IT systems administration in a heterogeneous Microsoft Windows and… more
    RTX Corporation (10/16/25)
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  • Senior Systems Administrator

    Leidos (Tucson, AZ)
    …SCI, as well as a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows -based systems in secure, mission-critical ... Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator. As a senior...with Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration .… more
    Leidos (10/10/25)
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  • Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Proficiency in administering Linux operating systems . + Experience with Windows Server 2022 administration , including Active Directory and networking + ... enterprise users. **Responsibilities include, but are not limited to:** + Provide administration and support for Windows Server 2022 environments, including… more
    ManTech (09/10/25)
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