• Systems Administrator

    Parsons Corporation (Fort Belvoir, VA)
    …Participate in gathering business and product functional and performance requirements + Lead administration of Linux systems , and Windows servers inclusive ... and baselining techniques + Experience with administration of VMware, Linux systems , and Windows servers inclusive of applications, processes the system… more
    Parsons Corporation (09/25/25)
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  • Systems Administrator

    Chenega Corporation (Arlington, VA)
    …leveraging expertise in high-level problem-solving. + Install, configure, and manage Windows Server operating systems , adhering to organizational requirements ... school diploma or GED equivalent + 5+ years of relevant experience. + Experience with Windows and Linux operating systems . + DOD IAT Level II Certification is… more
    Chenega Corporation (09/26/25)
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  • Principal Network Systems Engineer

    Saliense Consulting (Arlington, VA)
    …expert technical support, administration , and engineering on all Microsoft Windows Operating Systems . + Monitors, performance tunes, troubleshoots and ... considered and must be eligible to obtain a Top Secret clearance. The Principal Network Systems Engineer...as well as development environments. + Manages the configuration, administration , upgrade, and maintenance of corporate and DR servers… more
    Saliense Consulting (10/01/25)
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  • Systems Administrator - Senior

    Amentum (Warrenton, VA)
    …operate, and maintain the Distributed Continuity Integrated Network - Top Secret Enterprise Services (DCIN-TS ES) which is a DoD-provided, TS/SCI, integrated ... include, but are not limited to, the following: + Administer and maintain Windows server environments, including Active Directory, DNS, DHCP, and Group Policy +… more
    Amentum (09/25/25)
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  • ISSO/ Systems Security Engineer

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …, network, and operating system hardening techniques. + Knowledge of system administration concepts for operating systems such as but not limited ... to Unix/Linux, IOS, Android, and Windows operating systems . Preferred: + Knowledge of...CLEARANCE REQUIREMENTS: Must be able to obtain a Top Secret clearance may start with a Secret … more
    UIC Government Services and the Bowhead Family of Companies (08/29/25)
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  • Senior Systems Administrator - TS/SCI w.…

    General Dynamics Information Technology (Reston, VA)
    …Family:** IT Infrastructure and Operations **Skills:** Information Technology (IT) Systems ,Microsoft Windows Server,System Administration **Experience:** 8 ... upgrades. + Manages and troubleshoots multiple VMware environments. + Provides Windows Server and Linux administration , maintenance, and troubleshooting. +… more
    General Dynamics Information Technology (10/01/25)
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  • NMCC Information Systems Security Engineer

    TekSynap (Arlington, VA)
    …and recommend mitigation strategies. + Implement Security Technical Implementation Guides (STIGs) on Windows and Red Hat Linux systems . + Develop and implement ... and maintain standard operating procedures (SOPs) for security tool administration . + Vulnerability Management & System Hardening: + Conduct...+ Proven ability to implement and validate STIGs on Windows and Red Hat Linux systems . +… more
    TekSynap (09/16/25)
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  • Systems Administrator III Lead

    CACI International (Norfolk, VA)
    …+ Strong analytical and problem-solving skills with the ability to balance administration of legacy systems and new technology integration + Advanced ... Systems Administrator III Lead Job Category: Information Technology...Time Type: Full time Minimum Clearance Required to Start: Secret Employee Type: Regular Percentage of Travel Required: Up… more
    CACI International (07/09/25)
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  • Linux Systems Administrator (Unix)

    UIC Government Services and the Bowhead Family of Companies (Dahlgren, VA)
    …issues is essential. + Must have knowledge in the installation, maintenance, and administration of computer systems in a LAN/WAN environment. + Requires a ... Administrator (UNIX) who will be responsible for system administration and customer support of servers and workstations in...strong understanding of current Microsoft supported Windows operating systems . + An understanding of… more
    UIC Government Services and the Bowhead Family of Companies (09/28/25)
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  • Systems Administrator (Multiple Levels)

    Noblis (Chantilly, VA)
    …with 11 years of experience, + Minimum of 5 years of experience in systems administration + Proficiency with: + Windows and Linux operating systems + ... web servers. You will support the multi-enclave environment (Unclassified, Secret , and Top Secret /SCI) that enables users...experience, + Minimum of 8 years of experience in systems administration + Advanced proficiency with: +… more
    Noblis (09/03/25)
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