• Sr. Linux Systems

    RTX Corporation (Richardson, TX)
    …supporting a Raytheon program in a classified environment as a **Sr. Linux System Administrator ** . Responsibilities include building, maintaining, and securing ... Information Technology systems and directly supporting customer mission-critical capabilities. + You...SSCP, CySA+, CND. + Experience administering Red Hat Enterprise Linux + Experience with patching, creating/maintaining RPM packages, performance… more
    RTX Corporation (11/19/25)
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  • Linux Administrator

    Two95 International Inc. (Springfield, MA)
    Title: Linux Administrator Location : Remote (Springfield, MA) Type : Contract to hire Rate : $Best Possible Requirements Responsibilities: + Administer the ... Support production, development and disaster recovery computer UNIX and Linux systems and related infrastructure. + Provisioning,...+ A minimum of five years working as a Linux Administrator supporting an enterprise environment of… more
    Two95 International Inc. (09/08/25)
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  • Systems Administrator II…

    TEKsystems (Corona, CA)
    …Experience Desired: - More than 5 years of experience in managing and troubleshooting Linux operating systems , especially SUSE Linux . - Computer Skills ... on Windows server 2016 and newer) and 120 SUSE Linux (SLES 12 and SLES 15) including patching, monitoring...Manage Omnissa Horizon virtual desktop infrastructure (VDI) pools and remote desktop services (RDS) - Resolve high tier incidents… more
    TEKsystems (11/16/25)
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  • Senior Linux System Administrator

    GovCIO (Madison, WI)
    **Overview** GovCIO is currently hiring for an experienced Linux System Administrator with an active Secret clearance to join an Operations team. This position ... role, you will work with other members to mitigate vulnerabilities on Linux -based systems , implement STIGs, address POAMs, and mitigate Zero-Day vulnerabilities.… more
    GovCIO (11/07/25)
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  • Linux Systems Administrator

    Lockheed Martin (Huntsville, AL)
    …Security\+, CASP, CISSP\), within 6 months of starting the position * Experience with Linux /UNIX Server and Desktop Operating Systems \(i\.e\. RH 7\.x, RH 8\.x, ... configuring, securing, hardening, remediating, testing, upgrading and decommissioning of Linux Workstations, servers, network switches, virtual servers, physical servers,… more
    Lockheed Martin (11/20/25)
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  • Senior Linux System Administrator

    RTX Corporation (Marlborough, MA)
    …join the Receiver Exciter and Processing Architecture (REPA) Department as a specialized Linux System Administrator . The team's primary goal is to design, ... and test of custom processing hardware. + Provide IT systems administration in a RedHat Enterprise Linux ...whether the role is designated as on-site, hybrid or remote ._** The salary range for this role is 82,000… more
    RTX Corporation (11/22/25)
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  • Linux System Administrator

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …Top Secret Clearance. + Non- remote (relocation incentive available) Our Linux System Administrator will be responsible for the installation, configuration, ... for CMMI ML3 for Services and Development. Link Solutions is seeking a Linux System Administrator (Intermediate-Level) to join our team at Aberdeen Proving… more
    Link Solutions Inc (11/24/25)
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  • Linux System Administrator

    CACI International (Wright Patterson AFB, OH)
    Linux System Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular ... US * * * **The Opportunity:** CACI is seeking a **System Administrator ** to support operations and maintenance (O&M), limited research and development (R&D),… more
    CACI International (10/25/25)
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  • Principal Linux Administrator

    RTX Corporation (El Segundo, CA)
    systems administration and networking administration experience, Windows or Linux administration, backup, and recovery enterprise suites. ​ Qualifications We ... create a safer, more secure world. What You Will Do: Provide IT systems administration in a heterogeneous RedHat Enterprise / Microsoft Windows and environment.… more
    RTX Corporation (10/21/25)
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  • Senior Linux Administrator

    RTX Corporation (Mckinney, TX)
    …world. **What You Will Do:** + Administer, patch, and harden Red Hat Enterprise Linux (RHEL) and related distributions. + Work with Cyber to maintain and monitor ... logs using enterprise tools. + Configure and maintain STIG-compliant systems in accordance with DoD security standards. + Automate...whether the role is designated as on-site, hybrid or remote ._** The salary range for this role is 82,000… more
    RTX Corporation (11/21/25)
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