• IT Systems Administrator

    ManTech (Chantilly, VA)
    …or equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support ... **MANTECH** seeks a motivated, career and customer-oriented **IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities...for common desktop and server issues. + Experience installing and configuring physical equipment.… more
    ManTech (11/19/25)
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  • Systems Administrator 1

    Huntington Ingalls Industries (Suffolk, VA)
    …Diploma or equivalent and 4 years relevant experience. * Hands-on experience with server administration ( Windows / Linux ) * Security + Certification (or must ... a division of Huntington Ingalls Industries, is looking for a Systems Administrator 1 to support the Joint Training Synthetic Environment (JTSE) Joint Staff… more
    Huntington Ingalls Industries (11/13/25)
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  • Computer System Administrator

    Northrop Grumman (Roy, UT)
    …supporting large user populations in a secure environment + Must have experience with either Windows (desktop and server ), Linux (Red Hat or HPC), VMWare, ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively at all levels of… more
    Northrop Grumman (11/12/25)
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  • Systems Administrator III - Compliance

    Sierra Nevada Company, LLC (Dayton, OH)
    …in lieu of required education + Prior experience with systems administration in Windows or Linux environments + Excellent interpersonal and communication skills ... We are seeking a highly skilled and detail-oriented Systems Administrator III - Compliance to join our dynamic IT...cloud and compute solutions. + Familiarity with desktop and server operating systems, including MDM solutions. + Experience with… more
    Sierra Nevada Company, LLC (11/12/25)
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  • Systems Administrator - Senior

    CACI International (O'Fallon, IL)
    …T-1 background investigation upon hire + Expert knowledge of various operating systems (eg, Windows Server , Linux , Unix) + Advanced expertise in network ... Systems Administrator - Senior Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular… more
    CACI International (11/08/25)
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  • Systems Administrator - Onsite

    Community Health Systems (Milton, FL)
    …networks, and software applications preferred or + 1-2 years of experience with server setup and maintenance ( Windows , Linux ), network management, ... onsite at the Santa Rosa Medical Center.** **Job Summary** The Systems Administrator is responsible for the maintenance, optimization, and security of the… more
    Community Health Systems (11/08/25)
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  • Training Simulator System Administrator

    Lockheed Martin (Orlando, FL)
    …* Currently possess a current Security \+ certificate\. * System Administration of Windows and/or Linux server environments\. * Experience with Disaster ... deployment to a foreign country as a Training System Simulator System Administrator for the F\-35\. The successful candidate will support the sustainment,… more
    Lockheed Martin (10/29/25)
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  • Network Security Administrator

    TekSynap (Pensacola, FL)
    …be **trained and certified on the specific Operating System or Computing Environment** theymaintain(eg, Windows Server , Linux , Cisco) + IAT LVL III (eg, ... **Responsibilities & Qualifications** The **Network Security Administrator ** is responsible fornetwork boundary protection, cybersecurity posture, and accreditation… more
    TekSynap (10/07/25)
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  • Network Security Administrator /Analyst-…

    Alight (IN)
    …(eg, ISO 27000 series and/or NIST 800 Series). + Experience in troubleshooting of Linux and/or Windows Server operating system. + Experience with cloud ... **Network Security Administrator /Analyst** **Shape the Future of Network Innovation: Join Us in Pioneering Secure, Scalable Solutions Across the Cloud!"** **Are you… more
    Alight (09/27/25)
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  • Enterprise Application Administrator

    RTX Corporation (Boston, MA)
    …are considered US persons. + Experience managing and troubleshooting applications on both Linux and Windows operating systems. + Ability to effectively discuss, ... and Technology Application Services (ETAS) is looking for an Application Administrator to join our seasoned team providing excellent collaborative and innovative… more
    RTX Corporation (09/22/25)
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