• ADC Engineer I, Amazon Dedicated Cloud Engineering…

    Amazon (Bellevue, WA)
    …CND (Certified Network Defender) or Network+ or Security- 2+ years of systems administration ( Linux or Windows ) experience - 2+ years of networking (such ... building some of the largest and most complex distributed systems in the world, and we need adaptable people...who are focused on operational excellence and troubleshooting complex system operations, have a good understanding of Linux… more
    Amazon (10/16/25)
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  • IT Support Specialist

    US Courts (Fayetteville, AR)
    …of automation, including networking systems (WAN and LAN), servers ( Linux , Windows , VMware), remote access, desktop computers and applications, hardware, ... network security measures. SUMMARY OF DUTIES Monitors day-to-day operations of equipment systems . Diagnose and remedy computing system problems, both hardware… more
    US Courts (09/26/25)
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  • Senior / Principal Windows System…

    SciTec (Boulder, CO)
    … Windows systems administration in multiple heterogeneous Microsoft Windows and Red Hat Enterprise Linux environments + Install, configure, and manage ... security policies and procedures to protect Windows systems and data. + Monitor system performance and identify areas for optimization. + Troubleshoot and… more
    SciTec (11/19/25)
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  • Principal/Senior Principal Computer Systems…

    Northrop Grumman (Roy, UT)
    …STIG, JAFAN, or JSIG information system environments. * Red hat System Administration certification(s). * Experience with NAS storage device ... + Evaluate proposed changes or additions to the information system , and advises the Information Systems Security...by the company to meet its business need * Windows Server Administration & Management experience. *… more
    Northrop Grumman (11/16/25)
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  • Systems Administrator - TS/SCI…

    General Dynamics Information Technology (Chantilly, VA)
    …**Job Family:** IT Infrastructure and Operations **Skills:** Apache Tomcat,IBM Cognos Administration , Linux **Experience:** 8 + years of related experience **US ... including deployments, patches, security checks, and maintenance. + Upgrade and maintain operating systems and application software on LINUX ( Linux RHEL,… more
    General Dynamics Information Technology (09/17/25)
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  • Sr. Systems Administrator

    Lockheed Martin (King Of Prussia, PA)
    …clearance is required . Extensive familiarity with system administration for Linux \(RHEL\) and Windows operating systems . Proven ability to ... all of the client/server/storage/network devices \-Patch and harden Windows and Linux \(Red Hat\) and networking systems with Security personnel to protect… more
    Lockheed Martin (10/29/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …and security architectures. + Must have experience or familiarity with the following systems : Windows / Linux operating systems , VMware, and Networking: ... **Job Description** The selected individual will be responsible for maintaining system administration support activities for a large complex network environment… more
    BAE Systems (09/29/25)
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  • Systems Administrator

    BAE Systems (Sterling, VA)
    …the verification of system performance. Responsibilities include: Systems Administration & Operations + Administer and troubleshoot Linux and Windows ... Certified System Administrator/Engineer (RHCSA/RHCE) + Microsoft Certified: Windows Server Administration /Engineer + Experience with zero-trust security… more
    BAE Systems (10/08/25)
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  • Information System Security Engineer

    CAE USA INC (Arlington, TX)
    …eligible for this role. Preferred Skills: Experience with System Administration of Windows and Linux Systems is highly desired. This is to include: + ... + Assist in Cost Account Management. + High level system administrator skills under Windows or Linux (prefer both). + Experience with system log auditing… more
    CAE USA INC (10/24/25)
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  • Senior Platforms Engineer

    Marathon Petroleum Corporation (Denver, CO)
    …engineers, and encouraging cross-team collaboration. + Design, implement, and maintain enterprise-grade systems across Windows Server and Linux platforms, ... IT services, which include applications, data storage and other business resources. + System Administration - Performs a variety of functions including user… more
    Marathon Petroleum Corporation (11/18/25)
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