• Senior Systems Administrator ( Linux

    Amentum (Waimea, HI)
    …cybersecurity compliance across classified and unclassified networks. RESPONSIBILITIES: + Administer and maintain Red Hat Linux (RHEL) and other Linux ... Amentum is seeking a highly experienced Senior Linux System Administrator to oversee...following OS Certifications required + Linux + Linux + Red Hat Certified System… more
    Amentum (09/24/25)
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  • Senior Linux System Administrator

    General Dynamics Information Technology (Fairfax, VA)
    …and related IT infrastructure. * Demonstrated advanced knowledge and experience supporting Red Hat Linux , Apache, Tomcat, drivers, applications, ... **Experience:** 8 + years of related experience **Job Description:** ** Senior Linux System Administrator** The position is...and data backups. o Manage/maintain server certificates. o Maintain Red Hat Enterprise Linux subscriptions.… more
    General Dynamics Information Technology (12/04/25)
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  • Senior . Platform Engineer - Linux

    RTX Corporation (Aurora, CO)
    …is needed in the FEP environment. The Ideal candidate will be well versed in Red Hat Enterprise Linux (RHEL) based environments, have a good understanding ... secure world. Raytheon Technologies (RTX) is seeking a talented ** Senior Platform Linux - (Front End Processor...appliance FEPs implementations + You will configure & implement Red Hat Enterprise Linux (RHEL)… more
    RTX Corporation (12/02/25)
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  • Senior Linux System Administrator

    ManTech (Laurel, MD)
    …contracts of similar scope, type, and complexity. + Proficient with troubleshooting in a Linux Red Hat environment. + Experience with VMWare + Demonstrated ... Linux systems, to include provisioning, configuration management and patching. + Red Hat Certified System Administration Certification. + Experience with… more
    ManTech (12/11/25)
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  • Linux System Administrator ( Senior

    Link Solutions Inc (Aberdeen Proving Ground, MD)
    …Job Responsibilities: + Install, configure, and manage RHEL systems and Red Hat Enterprise Virtualization environments. + Administer KVM virtualization, ... for Services and Development. Link Solutions is seeking a Linux System Administrator ( Senior -Level) to join our...Security+ CE, CCNA Security, GICSP, GSEC, SSCP, etc.). + Red Hat Certified System Administrator (RHCSA) Certification.… more
    Link Solutions Inc (10/08/25)
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  • Senior Linux Engineer

    CACI International (Chantilly, VA)
    …* Experience with Docker, including containerization and orchestration. * Strong understanding of Linux operating systems, including Red Hat Enterprise ... Senior Linux Engineer Job Category: Engineering... Senior Linux Engineer Job Category: Engineering Time Type: Full...is seeking a highly skilled and experienced Tier 3 Linux Engineer to join our team in support of… more
    CACI International (11/01/25)
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  • Senior Systems Administrator - Windows/…

    ManTech (Fairmont, WV)
    …Administrator/Engineer (MCSA/MCSE) or equivalent (eg, Azure Administrator). + Red Hat Certified Engineer (RHCE) or equivalent advanced Linux certification. + ... **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/ Linux Dual-Stack Specialist** to join our team in **Boulder, CO** .… more
    ManTech (11/05/25)
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  • Senior Linux Administrator

    Insight Global (Clearwater, FL)
    …Insight Global's Workforce Privacy Policy: https://insightglobal.com/workforce-privacy-policy/ . Skills and Requirements Linux - red hat based distributions, ... of Insight Global is looking to hire on a Linux Administrator to their team. This position will have...firewalls, services, problem solving to root cause, understanding how linux logs data and errors, trace problems, and then… more
    Insight Global (12/09/25)
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  • Senior Linux System Administrator

    Black Bear Technology Solutions, LLC (Adelphi, MD)
    Senior Linux System Administrator Clearance Required:...+ CompTIA Security+ CE or CompTIA Server+ CE + Red Hat Certified System Administrator (RHCSA) + ... Secret or Secret Clearance Locations: Adelphi, MD (Onsite) Position Overview: The Senior Linux System Administrator is responsible for leading system… more
    Black Bear Technology Solutions, LLC (11/21/25)
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  • Linux Systems Administrator

    CGI Technologies and Solutions, Inc. (Arlington, VA)
    …ability to obtain a TS/SCI with Poly highly desired * Strong knowledge of various Linux distributions (eg, Red Hat , Ubuntu, CentOS). * Proficiency in ... and analytical skills. * Excellent communication and teamwork skills. Senior : * Education and/or Experience: Bachelor's degree and/or 5...with Poly highly desired * Strong knowledge of various Linux distributions (eg, Red Hat ,… more
    CGI Technologies and Solutions, Inc. (10/01/25)
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