• Sr. System Administrator

    Arena Technical Resources, LLC (Reston, VA)
    …and troubleshoots multiple VMware environments. * Provides Windows Server and Linux administration , maintenance, and troubleshooting. * Creates STIG compliant ... Sr. System Administrator Location: Reston, VA, US Job ID:...necessary continuing education (CE) for certification. Desired Qualifications * Linux OS (CentOS, RHEL) administration . * Satellite… more
    Arena Technical Resources, LLC (01/01/26)
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  • Information System Security Engineer…

    Amentum (Warrenton, VA)
    …requirements using intimate knowledge of security design best practices for information systems . throughout the system development life cycle to support the ... enhancements, application deployments, and infrastructure upgrades in a dynamic information system hosting environment * Proficiency with Red Hat/ Linux *… more
    Amentum (12/05/25)
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  • Systems Administrator / Top Secret…

    Lockheed Martin (Arlington, VA)
    …an active Top Secret clearance to start\. \#lmatl **Basic Qualifications:** \* In\-depth systems administration experience with Linux \* Demonstrated track ... interest in developing skills in the following technical areas: \* In\-depth systems administration experience with Windows \(including Active Directory\) \*… more
    Lockheed Martin (10/22/25)
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  • Senior System Administrator (2nd Shift…

    RTX Corporation (Springfield, VA)
    …security clearance. + Security+ DoD 8570 certification or higher. + System administration experience across Linux systems . + Experience in the ... create a safer, more secure world. Raytheon seeks a Systems Administrator to join a high-performing team at the...its national security strategy. This is for an on-site system administrator sustaining and maintaining a VM-based data … more
    RTX Corporation (12/14/25)
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  • Systems Administrator

    General Dynamics Information Technology (Springfield, VA)
    …**Job Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT), Linux , System Administration **Certifications:** CompTIA Security+ CE ... and tomorrow is smarter. Our work depends on a ** Systems Administrators** with Linux and Windows Infrastructure...will be on an engineering team that provides IT Systems Administration support to global real-time operational… more
    General Dynamics Information Technology (12/06/25)
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  • System Operations/Administrator

    Sciolex Corporation (Chantilly, VA)
    …Stay current with trends, technologies, and best practices in desktop system administration . Qualifications & Physical Requirements Expected Qualifications ... that surpasses the epitome of excellence. Our core services include systems engineering technical advice, technical support, and administrative assistance.… more
    Sciolex Corporation (10/14/25)
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  • Systems Administrator - NETTN Support

    Huntington Ingalls Industries (Virginia Beach, VA)
    …Windows and Red Hat Enterprise Linux (RHEL) environments, including virtual systems + Support system configurations in compliance with DoD Security Technical ... Experience with Microsoft Windows operating systems and Active Directory administration + Experience supporting Red Hat Enterprise Linux (RHEL) environments… more
    Huntington Ingalls Industries (10/11/25)
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  • Senior Systems Administrator

    Chenega Corporation (Arlington, VA)
    …Advanced proficiency in Windows Server, infrastructure management, PowerShell scripting, and Linux administration . + Hands-on experience with SCCM, OS ... or GED equivalent + 5+ years of relevant experience. + Experience with Windows and Linux operating systems + DOD IAT Level II Certification is required. + DOD… more
    Chenega Corporation (12/10/25)
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  • Information Systems Security Manager (ISSM)

    AeroVironment (Centreville, VA)
    …& Networks range in complexity and size to include multi-platform computing ( Linux , Windows, VMWare), virtual environments, and mobile systems . Extensive ... for Information assurance for all site matters + Lead system documentation for information systems authorization +...experience with a related master's degree + Proficient with Linux based classified systems + Experience with… more
    AeroVironment (12/24/25)
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  • Software Engineer/ Systems Administrator

    Cinteot (Springfield, VA)
    …platforms + Windows Server Operating Systems experience + Red Hat Linux Administration experience Education: Bachelor (or 4 years additional experience) ... server-based software applications. Duties include setting up accounts, maintaining system documentation, tuning system performance and interaction...in Systems Administration on Windows based… more
    Cinteot (11/06/25)
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