• Sr . Linux / Windows

    Lockheed Martin (King Of Prussia, PA)
    Windows system administration, including installing, patching, troubleshooting and hardening Linux and Windows operating systems \(both bare\-metal and ... have an active Top Secret Clearance **Desired Skills:** * Windows and Linux OS patching/security hardening in...be required within 6 months of start\) * CompTIA Linux \+ or Red Hat Certified Systems Administrator… more
    Lockheed Martin (11/14/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator…

    Mount Sinai Health System (New York, NY)
    …researchers at Mount Sinai. The Administrator is the principal technology expert for Windows and Linux systems , and help support high-performance computing ... + At least 6 years of experience in designing, administering and troubleshooting Linux and Windows systems , storage systems , network and VMs. + The… more
    Mount Sinai Health System (09/22/25)
    - Save Job - Related Jobs - Block Source
  • Linux Systems Administrator

    L3Harris (Greenville, TX)
    …resolution. Essential Functions: + Integrate with a team of multidiscipline, multileveled Systems Administrators supporting Linux , Windows , and Network ... Access and Security Policies + Backup and recovery of Linux and Windows based systems ...writing of work instructions and build manuals + Support senior staff on documenting operational processes, configurations, and diagrams… more
    L3Harris (10/17/25)
    - Save Job - Related Jobs - Block Source
  • Jr./Mid-Level Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have...utilities used to create and configure network connections in Linux OS. + Must have experience implementing Windows more
    Belay Technologies (11/07/25)
    - Save Job - Related Jobs - Block Source
  • System Administrator- Linux

    Leidos (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... experience installing, updating, and upgrading Linux Operating Systems (OS). + Must have...utilities used to create and configure network connections in Linux OS. + Must have experience implementing Windows more
    Leidos (11/19/25)
    - Save Job - Related Jobs - Block Source
  • (Mid. or Senior ) Networking Systems

    Belay Technologies (Annapolis Junction, MD)
    …utilizes complex equipment/ systems (ex. Network Switches, Routers, LANs, & cabling, Windows / Linux operating systems , VMware, etc.). + Must have ... finalist in 2021! Belay Technologies is seeking a Network Systems Administrator ( Windows ) to join our team....respond to hardware and software incidents and work with senior system administrators, at times remotely from other locations.… more
    Belay Technologies (10/01/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator…

    ManTech (Fairmont, WV)
    **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows / Linux Dual-Stack Specialist** to join our team in **Boulder, ... experience in Systems Administration, with demonstrated expertise in both Windows Server and Enterprise Linux environments. + Expert-level, hands-on… more
    ManTech (11/05/25)
    - Save Job - Related Jobs - Block Source
  • Senior Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    …and license configuration; and workstation support. + Experience with troubleshooting, patching, and support Linux , ESXi and Windows Systems . + Work as a ... and maintenance of systems hardware and software related to a Linux / Windows infrastructure for classified programs. Duties include, but are not limited… more
    RTX Corporation (09/26/25)
    - Save Job - Related Jobs - Block Source
  • Senior Linux System Administrator

    ManTech (Fort Meade, MD)
    …resource utilization; perform capacity analysis and system planning. + Configure and manage Linux and Windows operating systems ; install, load, and enhance ... ManTech seeks a ** Senior Linux System Administrator** to join...systems administration or IT operations. + Experience with Linux , including installation, configuration, troubleshooting, and maintenance. **Security Clearance… more
    ManTech (10/14/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Administrator

    General Dynamics Information Technology (Washington, DC)
    …teams. WHAT YOU WILL DO: Duties and Responsibilities: + Enterprise Authorization: Integrate Linux Systems into a primary Windows environment (workstations & ... of related experience **US Citizenship Required:** Yes **Job Description:** Senior Systems Administrator Own your opportunity to...and Single Sign On. + Enterprise Provisioning: Configure new Linux and Windows systems for… more
    General Dynamics Information Technology (09/16/25)
    - Save Job - Related Jobs - Block Source
  • Senior Cloud Linux Engineer

    Robert Half Technology (Tampa, FL)
    …experience in Linux system administration and related fields. * Advanced knowledge of Linux operating systems and Windows Server 2019 or later. * ... position offers an exciting opportunity to apply your expertise in Linux systems , virtualization, and cloud storage solutions while contributing to the overall… more
    Robert Half Technology (10/28/25)
    - Save Job - Related Jobs - Block Source
  • Senior Systems Engineer

    Trace Systems Inc (WA)
    … and network architectures in a large-scale client/server and web environment, including Linux , Windows , VMWare, NetApp systems . + Lead optimization of ... Job Overview Job Title: Senior Systems Engineer Job Location: Washington,...large-scale client/server and web environment, and that includes either Linux , Windows or VMWare systems more
    Trace Systems Inc (10/30/25)
    - Save Job - Related Jobs - Block Source
  • Senior Specialist, Cyber Infrastructure…

    L3Harris (Palm Bay, FL)
    …security controls in compliance with DoD security frameworks and RMF requirements. + Integrate Linux and Windows systems within a unified Active Directory ... IT environment. Essential Functions: + Configure, monitor, maintain, and troubleshoot Redhat/Oracle Linux systems (both physical and virtual). + Deploy and… more
    L3Harris (10/29/25)
    - Save Job - Related Jobs - Block Source
  • Senior HPC Software Integration Engineer

    BAE Systems (Saratoga Springs, UT)
    …Computers to continue to run in operations, and support the range of UNIX, LINUX , Windows Systems , desktop applications, servers, and networks required in ... run in operations, and support the range of UNIX, LINUX , Windows Systems , desktop applications,...state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition more
    BAE Systems (09/09/25)
    - Save Job - Related Jobs - Block Source
  • Systems Administrator II, III, Sr

    LSI Solutions (Victor, NY)
    …IT support, system administration, or related roles. + Basic understanding of Windows / Linux operating systems , networking fundamentals, and system ... . + Provide assistance, cross-training, and mentoring to other members of the team Senior Systems Administrator + All essential functions listed above + Lead… more
    LSI Solutions (10/30/25)
    - Save Job - Related Jobs - Block Source
  • Systems Integrator

    Leidos (Eagan, MN)
    …Design and implement lab environment capacity and security requirements, including automation for Linux and Windows systems . + Develop and oversee ... Ansible script development, VMWare ESXi administration, Linux /AIX Administration, and Windows / Windows Server systems . + Administration and implementation… more
    Leidos (11/09/25)
    - Save Job - Related Jobs - Block Source
  • Senior Specialist, Information Security…

    L3Harris (Palm Bay, FL)
    …+ Design, implement, and manage security controls and configurations for both Linux and Windows systems , including system hardening, vulnerability ... domains in the interest of national security. Job Title: ​ Senior Specialist, Info Security Sys Engineering Job Code: 30719...GOTS, and FOSS. + Configure and manage logging for Linux and Windows systems , ensuring… more
    L3Harris (11/01/25)
    - Save Job - Related Jobs - Block Source
  • Sr . Systems Administrator

    Subaru of America (Van Buren Twp, MI)
    …management and analytical skills. MAJOR RESPONSIBILITIES + Designs, implements, maintains, and monitors Linux and Windows operating systems . + Designs and ... years of experience in a Systems Administrator role supporting Linux and Windows environments and networking + At least 2-4 years of enterprise networking… more
    Subaru of America (10/10/25)
    - Save Job - Related Jobs - Block Source
  • Sr Systems Engineer, Controls Fleet,…

    Amazon (Denver, CO)
    …have strong experience in Cyber Security, Systems Engineering and DevOps for Windows and Linux systems . Hands-on experience with automation and scripting ... deadline: Jan 24, 2026 Are you experienced in managing Windows , Linux , and Cloud systems ...are seeking a passionate and motivated Sr . Systems Engineer to join our team of Windows more
    Amazon (11/09/25)
    - Save Job - Related Jobs - Block Source
  • Sr . Systems Engineer

    IMRI (Washington, DC)
    Sr . Systems Engineer Apply Now! Back...+ Experience in installing, configuring, and troubleshooting BitLocker, LUKS, Windows and Linux systems + ... least 5 years' experience managing networks with Solaris, IRIX, Windows , Alma Linux 8/9 (or Red Hat...8/9 (or Red Hat Equivalent) and Ubuntu 22 Operating Systems , High Performance Computing, and Windows Operating… more
    IMRI (09/09/25)
    - Save Job - Related Jobs - Block Source