• Principal Infrastructure & Cybersecurity Architect

    Bayer (Creve Coeur, MO)
    …enterprise infrastructure; + Expert-level OS administration & hardening: Windows Server + Linux (RHEL, Suse, Ubuntu), CIS/STIG baselines, patching at ... AIX/UNIX experience a plus; + Oracle middleware experience (WebLogic, Application Server ); + Cloud security expertise (AWS, Azure, GCP) and hybrid/multi-cloud… more
    Bayer (01/14/26)
    - Related Jobs

  • AWS Cloud Engineer

    ManTech (Virginia Beach, VA)
    …management of resources deployed in AWS GovCloud + Administering Red Hat Enterprise Linux and/or Windows Server instances and their AMI lifecycle + Participating ... Environment certification within 6 months of hire + Experience in RHEL OS and/or Windows Server with knowledge in maintaining them + Ability to script in one or more… more
    ManTech (01/09/26)
    - Related Jobs

  • SCA Engineering Technician IV

    SAIC (Crane, IN)
    …of Cisco routing and switching + Experience administering VMware ESXi, Red Hat Enterprise Linux , and Windows Server Operating Systems + Must be able to ... Produce architecture diagrams defining system interfaces and configure virtualized server environments (eg, VMware ESXi) + Operational & Advisory Duties… more
    SAIC (01/09/26)
    - Related Jobs

  • Senior Systems Administrator ( Linux )

    Alaka'ina Foundation Family of Companies (Kauai County, HI)
    …Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration , and a strong ... Senior Systems Administrator ( Linux ) Location HI - Kaua'i Job Code 13533...+ Develop and maintain PowerShell scripts for automation of administrative tasks and system configuration. + Support virtualization platforms… more
    Alaka'ina Foundation Family of Companies (11/20/25)
    - Related Jobs

  • Senior Network and Computer Systems Administrator

    NANA Regional Corporation (South Burlington, VT)
    … administration , with increasing levels of responsibility. + Expertise in Windows Server administration , Linux systems (Red Hat/CentOS), and Active ... + Oversee installation, configuration, and maintenance of physical and virtualized server environments (Windows/ Linux ), routers, switches, and firewalls. +… more
    NANA Regional Corporation (01/09/26)
    - Related Jobs

  • Senior Systems Administrator

    Leidos (Gaithersburg, MD)
    … Linux (Red Hat Enterprise Linux or CentOS) and Windows Server platform system administration . + Proficiency with virtualization platforms (VMware, KVM) ... to obtain TS/SCI with Polygraph. **Primary Responsibilities:** + Lead system administration for Linux and Windows-based systems in secure, mission-critical… more
    Leidos (01/16/26)
    - Related Jobs

  • Senior Systems Administrator ( Linux )

    Amentum (Waimea, HI)
    …Department of Defense (DoD) environment. This role requires deep technical expertise in Linux systems, leadership in secure system administration , and a strong ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy… more
    Amentum (12/24/25)
    - Related Jobs

  • Systems Administrator Autonomic Logistics…

    Lockheed Martin (Fort Worth, TX)
    …daily with users, acting as a liaison for the ALIS product suite \- Windows Server , RedHat, or Linux experience \- Show ability to maintain smooth, secure ... operation of multi\-user computer systems through coordination with other administrative disciplines \(security, database, network administration \) \-… more
    Lockheed Martin (12/17/25)
    - Related Jobs

  • Lead Administrator Linux Systems

    Burlington (Edgewater Park, NJ)
    …managing the core infrastructure services that power our business operations. The Linux Administration Team oversees the support, maintenance, and evolution of ... Administrator, Linux Systems, will need to perform both engineering tasks and day-to-day Linux admin duties. We are a 24x7 company, and this role will need… more
    Burlington (12/17/25)
    - Related Jobs

  • Senior Linux System Administrator

    General Dynamics Information Technology (Stennis Space Center, MS)
    …Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT) Infrastructure, Linux ,System Administration **Experience:** 8 + years of ... and in an AWS cloud environment. o Follow system administration best practices. o Patch and configure systems in...o Ensure reliable system and data backups. o Manage/maintain server certificates. o Maintain Red Hat Enterprise Linux… more
    General Dynamics Information Technology (01/10/26)
    - Related Jobs