• IBM i Infrastructure Systems Administrator

    Robert Half Technology (Dayton, NJ)
    Description We are looking for a skilled IBM i Infrastructure Systems Administrator to join our team in Dayton, New Jersey. In this role, you will be responsible for ... maintaining and optimizing Linux and IBM i environments, ensuring system reliability, security,...compliance with data protection standards. * Configure and optimize network connectivity, protocols, and performance for IBM i and… more
    Robert Half Technology (10/13/25)
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  • Senior Systems Administrator

    Leidos (Tucson, AZ)
    …of the Decision Advantage Solutions Business Area, is currently seeking a Senior Systems Administrator . As a senior member of our IT operations team, you will play a ... as a Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical environments. + Architect… more
    Leidos (10/10/25)
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  • Senior High Performance Computing (HPC) Systems…

    BAE Systems (Saratoga Springs, UT)
    …large client-server based IT enterprise in installation, configuration, and networking of Linux and Windows based platforms. + Oversee servers running Red Hat, ... client server configurations (Group Policy, Centrify, DNS, LDAP + Linux Scripting (Bash, Perl etc) + Linux ...devices (SPDs) + IBM of HP Blade servers with FC/SAS/ Network back end + Multi-vendor filesystems such as XFS,… more
    BAE Systems (10/03/25)
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  • IT Services Administrator , Staff

    Fiserv (Lincoln, NE)
    …years working in a Linux environment + 5+ years of experience in network protocols and troubleshooting + 4+ years of experience with scripting tools (bash, json, ... make a difference at Fiserv. **Job Title** IT Services Administrator , Staff **About your role:** The IT Services Management...be working on SQL and Oracle database administration, in Linux and Microsoft Windows environments. **What you'll do:** +… more
    Fiserv (09/24/25)
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  • Cross Domain Solutions Administrator (ONI)

    FGS, LLC (Suitland, MD)
    …system and network troubleshooting, and system integration of Unix and Linux operating systems running on SPARC/x86 hardware supporting the ONI CDS enterprise. ... Cross Domain Solutions Administrator (ONI) Suitland, MD **Requires US Citizenship** **Employment...CDS systems + Installation, configuration and system hardening of Unix/ Linux operating systems + Installation and configuration of GOTS… more
    FGS, LLC (08/23/25)
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  • Mid-Level HPC Systems Administrator

    BAE Systems (Saratoga Springs, UT)
    …day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and ... and remains involved in the resolution process. Configures and manages Linux , Unix, and Windows operating systems and installs/loads operating system software,… more
    BAE Systems (09/09/25)
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  • System Administrator

    Parsons Corporation (Centreville, VA)
    …and Linux operating systems. + Extensive experience with Cisco network devices and configurations. + Expertise in ESX/VMware and Hyper-V virtual environments. ... **What You'll Be Doing:** + Manage and maintain Windows and Linux servers, ensuring optimal performance, security, and availability. + Administer Cisco… more
    Parsons Corporation (09/04/25)
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  • System Administrator

    Synergy ECP (Columbia, MD)
    System Administrator Columbia, MD (http://maps.google.com/maps?q=Columbia+MD+USA+21046) Description Founded in 2007 and headquartered in Columbia, Maryland, Synergy ... day-to-day operations, monitoring and problem resolution for all of the client/server/storage/ network devices, mobile devices, etc. Provides Tier 1 (Help Desk) and… more
    Synergy ECP (07/23/25)
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  • Principal System Administrator (RHEL)

    RTX Corporation (Marlborough, MA)
    … (RHEL) designing, implementing, troubleshooting, and maintaining physical and virtual Linux servers across a large-scale enterprise network . This includes ... systems and support IT infrastructures around the world. **Principal Linux System Administrators,** internally known as Principal Analyst, infrastructure Workplace… more
    RTX Corporation (10/17/25)
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  • IT Infrastructure Administrator - Tier 2

    AGI (Naperville, IL)
    **Description** **Position Title: IT Infrastructure Administrator - Tier 2** **Compensation Range: $70,000-88,000 USD annual** **Department: IT** **Location: ... and Africa, AGI sells its products globally through a network of wholly owned subsidiaries and third-party dealers and...experience as a Level 2 desktop technician, jr. system administrator , or similar role. + Experience with IT support… more
    AGI (10/18/25)
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