• Linux System Administrator

    BigBear.ai (Annapolis Junction, MD)
    Overview BigBear.ai is seeking a Linux Systems Administrator to a fast-paced team of system administrators providing support for implementation, ... do Manage IT system infrastructure and any processes related to these systems . Provide support to IT systems including day-to-day operations, monitoring and… more
    BigBear.ai (07/22/25)
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  • Linux Systems Administrator - TS/SCI…

    Parsons Corporation (Centreville, VA)
    …We've got what you're looking for. **Job Description:** Parsons is seeking a mid-level Linux Systems Administrator. The candidate will support both Linux ... systems maintenance. Responsibilities also include software and hardware system installations, and troubleshooting of user reported issues. The candidate will… more
    Parsons Corporation (07/19/25)
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  • Linux System Administrator

    ManTech (Aurora, CO)
    …and Tier 2 support levels + Configure and manage UNIX/ Linux operating systems and install/load OS software + Optimize system operations and perform resource ... MANTECH seeks a motivated and customer-focused ** Linux ** ** System Administrator** to join our...to:** + Support implementation, troubleshooting, and maintenance of IT systems + Manage IT infrastructure and ensure system more
    ManTech (08/08/25)
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  • Sr. Principal Linux Systems

    RTX Corporation (Tucson, AZ)
    …eligible for a security clearance​ **Security Clearance:** DoD Clearance: Secret **Sr. Principal Linux Systems Administrator - Tucson, AZ. Must have an active ... that create a safer, more secure world. **Sr Principal Linux System Administrator** in infrastructure Workplace Services,...are eligible for a security clearance. + Must have Linux systems administration experience + Must have… more
    RTX Corporation (08/08/25)
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  • Linux / Unix Systems Administrator,…

    Lockheed Martin (Sunnyvale, CA)
    …National Security Space programs in Sunnyvale, CA\. **Your Mission:** As a Linux Information Systems Administrator, your responsibilities will include: * ... and perform system hardening to ensure the security of our systems \. * Root Cause Analysis: Perform in\-depth analysis to resolve technical issues in… more
    Lockheed Martin (07/12/25)
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  • Linux Cloud Systems Administrator

    Robert Half Technology (Tampa, FL)
    …. This position offers an exciting opportunity to apply your expertise in Linux systems , virtualization, and cloud storage solutions while contributing to the ... Description We are looking for an experienced Linux Cloud Systems Administrator to join...Requirements * Minimum of 5 years of experience in Linux system administration and related fields. *… more
    Robert Half Technology (08/02/25)
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  • Linux Systems Engineer

    General Dynamics Information Technology (St. Louis, MO)
    …**Experience:** 5 + years of related experience **US Citizenship Required:** Yes **Job Description:** ** Linux Systems Engineer** A Linux Systems Engineer ... Top Secret SCI + Polygraph **Public Trust/Other Required:** None **Job Family:** Systems Administration **Skills:** Kubernetes, Linux , Systems Engineering… more
    General Dynamics Information Technology (07/28/25)
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  • Linux System Administrator…

    KIHOMAC (Colorado Springs, CO)
    …(eg Security+) Experience: + 5+ years of directly related experience in UNIX and/or Linux systems administration + Experience administering a Red Hat Linux ... + Design, implement, troubleshoot, and sustain Linux based physical and virtual machines for the...repositories/registries + Oversee and perform the hardening of operating systems and STIG compliance + Collaborate with cybersecurity, DevSecOps,… more
    KIHOMAC (08/03/25)
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  • Systems Administrator (Windows…

    Lockheed Martin (Highlands Ranch, CO)
    …alongside a plethora of technical employees including but not limited to; Windows/ Linux system administrators, storage and network engineers, IT project ... than 570 facilities that span 70 countries\. This position is for a Multi\-Functional Systems Analyst to support both Windows\- and Linux \-based systems for… more
    Lockheed Martin (07/12/25)
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  • Endpoint Linux Systems Administrator

    US Tech Solutions (Milpitas, CA)
    **Job Description:** + The client is deploying security tools on Windows and Linux endpoints so that all endpoint systems are managed and in compliance with ... endpoints in various Engineering Groups. + Responsibilities on the above systems include Deploying security tools, System Administration, engineering and… more
    US Tech Solutions (07/18/25)
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