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  • Linux Server Administrator

     ...MANTECH seeks a motivated, career and customer-oriented LINUX SERVER ADMINISTRATOR to join our team in QUANTICO, VA . This position supports mission-critical Department of War (DoW) IT infrastructure. The contractor will be responsible for the installation,... 
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    MANTECH

    Quantico, VA
    2 hours ago

  • Linux Server Administrator

    $140k

    ManTech International seeks a Linux Server Administrator to support mission-critical systems for U.S. defense, intelligence, and federal agencies. You will install, configure, secure, and maintain Linux servers; monitor performance; troubleshoot complex issues; and implement... 
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    ManTech International

    Quantico, VA
    27 days ago

  • Linux Systems Engineer

    $107.74k - $142.6k

     ...supporting enterprise virtualization platforms such as Nutanix. Required Skills: Solid understanding of Linux system administration fundamentals (networking, storage, security, and OS internals). Strong expertise in configuration management and automation... 
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    General Dynamics

    Springfield, VA
    5 days ago

  • Senior Systems Administrator - Generalist

    $105k - $155k

     ...selected candidates will be contacted about an opportunity. Systems Administrator 3: $105,000 - $145,000Systems Administrator 4: $120,000 - $160...  ...managing and troubleshooting complex issues across Windows Server and Red Hat/other Linux distributions; performing system... 
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    HII Mission Technologies Division

    Springfield, VA
    1 day ago

  • Tier 2 Systems Administrator

    $86.6k - $181.8k

     ...Opportunity:We are seeking a skilled and motivated Tier 2 System Administrator to join our growing IT team. In this role, you will serve as...  ...issues escalated from Tier 1.• Administer and maintain servers (Windows, Linux, Solaris), desktops and applications, printers... 
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    CACI International

    Springfield, VA
    6 days ago

  • Senior Specialist, Systems Engineer - User Acceptance Tester

    $106.5k - $197.5k

    Job Title: Senior Specialist, Systems Engineer - User Acceptance TesterJob Code: 38609Job Location: Springfield, VA (100% Onsite)Work Schedule: 5/8 Monday-FridayJob Description:L3Harris Technologies currently has an opening for a User Acceptance Tester with expertise in...
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    L3Harris Technologies

    Springfield, VA
    4 days ago

  • Linux System Administrator

     ...seeking a motivated, career and customer-oriented Linux System Administrator in Laurel, MD. Become an integral part of a diverse team...  ...Analyze and resolve complex problems associated with server hardware, applications, and software integration. Configure... 
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    MANTECH

    Laurel, MD
    2 hours ago

  • GEOINT Systems Engineer

     ...Degree and 11+ years of relevant experience, or 15+ years of relevant experience in lieu of a degree. Experience supporting administrative activities and scheduling for corporate support events Experience performing general staff officer duties and gathering complex... 
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    MANTECH

    Springfield, VA
    2 hours ago

  • Linux System Administrator

     ...seeks a motivated, career and customer-oriented  Linux   System Administrator to join our team in  Laurel, MD.  You will be part of a...  ...operations, monitoring and problem resolution for all the client/server/storage/network devices, mobile devices, etc.  Provide... 
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    MANTECH

    Laurel, MD
    2 hours ago

  • Systems Administrator

     ...PSG is seeking an individual with IT Systems Engineering & Administrative experience with Windows and Linux environments. The selected candidate...  .... Experience with Windows Active Directory, Windows Server administration, monitoring and configuration tools, VMWare, storage... 
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    Point Solutions Group

    Springfield, VA
    2 days ago

  • System Administrator

    $104k - $124k

     ...our nation’s cyber interests? Join our growing team as a System Administrator supporting the NGA customer mission. Responsibilities What you...  ...guidance to less experienced personnel on workstation/server data integrity matters and the implementation of standard software... 
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    teKnoluxion Consulting

    Springfield, VA
    2 days ago

  • Systems Administrator

     ...with the ability to obtain a CI Poly****. What Impact You’ll Have We are seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive... 
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    GRVTY

    Springfield, VA
    2 days ago

  • Senior System Administrator

     ...Position Name : Senior System Administrator Location : Springfield, VA Clearance Required : TS/SCI with CI Scope Poly Work Schedule : Monday–Friday, within 5:00 AM – 9:00 PM EST window Employment Type : Full-Time Position Overview The GEODS program is seeking a highly... 
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    Unity Compass

    Springfield, VA
    2 days ago

  • Infrastructure Systems Administrator

     ...Overview AFS is seeking an Infrastructure Systems Administrator responsible for the administration, integration, modernization, and day-to...  ...Responsibilities Platform Administration & Operations Administers RHEL 9 servers and Windows servers supporting a self-hosted ServiceNow... 
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    Accenture-Federal-Services-2

    Springfield, VA
    2 days ago

  • Systems Administrator

     ...At GDIT, people are our differentiator. As a Systems Administrators you will help ensure today is safe and tomorrow is smarter. Our work depends...  ...LDAP, TACACS, KVM. Experience managing Windows‑based virtual server environments. Hands‑on working knowledge of RedHat5 &7 along... 
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    General Dynamics Information Technology

    Springfield, VA
    5 days ago

  • Windows Server Administrator

     ...MANTECH seeks a motivated, career and customer-oriented WINDOWS SERVER ADMINISTRATOR to join our team in QUANTICO, VA. Responsibilities include but are not limited to: Installing, configuring, and maintaining Windows Server operating systems (2016, 2019, 202... 

    MANTECH

    Quantico, VA
    2 hours ago

  • AWS System Administrator

    $75.2k - $158.1k

     ...* *The Opportunity:The TCS team is looking for an AWS System Administrator to work on Enterprise Cross-Domain Systems and associated projects...  ...and maintain RHEL-based EC2 instances and on-premises Linux servers, including system updates, patch management, and performance... 
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    CACI International

    Springfield, VA
    5 days ago

  • Systems Administrator

     ...D2Consulting is seeking a Systems Administrator to support a classified intelligence customer in Springfield, VA. The role focuses on desktop support, endpoint management, and ensuring reliable computer systems for on-site and remote users. The position requires a TS/SCI... 
    Remote work

    D2 Consulting

    Springfield, VA
    2 days ago

  • System Administrator

    General Dynamics Information Technology (GDIT) is seeking a Director Support Technician to provide dedicated Deskside IT service support for NGA Front Office and NGOC staff in Springfield, VA. The role involves IMACD tasks, device provisioning, and end-user device management...

    General Dynamics Information Technology

    Springfield, VA
    2 days ago

  • System Administrator

    $105k - $115k

     ...CLEARANCE REQUIRED Transform technology into opportunity as a Systems Administrator with D2 Tech Services. A career in enterprise IT means...  ...or similar support role Working knowledge of Windows and Linux server administration and basic understanding of networking, storage,... 
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    D2 Consulting

    Springfield, VA
    1 day ago

  • System Administrator

     ...Mission Technologies, a division of HII, is seeking a senior Systems Administrator to secure and optimize Windows and Linux environments supporting critical enterprise and mission workloads. You will apply cross‑platform expertise to ensure systems are reliable, performant... 

    Mission Technologies, a division of HII

    Springfield, VA
    1 day ago

  • System Administrator

    $85k - $125k

     .... Job Overview: INflow Federal is seeking a motivated Systems Administrator to ensure the seamless operation, maintenance, and configuration...  ...and providing TIER 2/3 support for Unix/Windows workstations, servers, and other critical IT infrastructure. At INflow, your work is... 
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    INflow Federal

    Springfield, VA
    14 hours ago

  • System Administrator

    $80k - $120k

     ...Posted 2026-07-24 Category Information Technology Subcategory Sys Administrator Schedule Full-Time Shift Day Job Travel Yes - 10% of the time...  ...mission-critical systems and infrastructure, includingWindows Servers,Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged... 
    Full time
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    SAIC

    Springfield, VA
    1 day ago

  • Systems Administrator - NMCI Desktop Support

    $95k - $135k

     ...Security and Modernization efforts across IT infrastructure, cybersecurity, physical facilities, and personnel operations. The Systems Administrator - NMCI Desktop Support serves as the organization's NMCI Assistant Customer Technical Representative (ACTR), providing frontline... 
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    HII Mission Technologies Division

    Springfield, VA
    4 days ago

  • System Administrator

     ...and innovative environment. Concept Plus is seeking a System Administrator to operate within a multi-disciplinary IT team consisting of cybersecurity...  ...network and systems teams to deploy, configure, and maintain servers and associated network hardware (Cisco, Aruba). Build, manage,... 
    Local area
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    Concept Plus

    Springfield, VA
    3 days ago

  • infrastructure Systems Administrator

    $138.6k - $170.1k

     ...forward! Summary AFS is searching for an infrastructure Systems Administrator responsible for the administration, integration, modernization...  ...Platform Administration & Operations Administers RHEL 9 servers and Windows servers supporting a self-hosted ServiceNow environment... 
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    Socket

    Springfield, VA
    15 hours ago

  • System Administrator

    $73.45k - $132.78k

     ...The Digital Sector of Leidos is seeking a Data Center System Administrator to support data center operations. The System Administrator will...  ...and maintenance of physical equipment to include servers, storage arrays, network switches etc. Rapidly distinguish isolated... 
    Temporary work
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    Local area
    Immediate start
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    Leidos

    Springfield, VA
    4 days ago

  • System Administrator

     ...Bcore is seeking a System Administrator (Desktop Support) in Springfield, VA to deliver expert end-user support, maintain desktop environments, and ensure reliable computer systems for on-site and remote users. The role requires TS clearance with SCI eligibility, Security+... 
    Remote work

    teKnoluxion Consulting

    Springfield, VA
    1 day ago

  • Senior Systems Administrator/Helpdesk Engineer

    $92.3k - $166.85k

     ...matters? Leidos is seeking a highly motivated Senior Systems Administrator/Help Desk Engineer to support a cutting-edge Agile software development...  ...responsive customer service. Architect and manage complex server, storage, and virtualization infrastructure (VMware, KVM).... 
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    Leidos

    Burke, VA
    4 days ago

  • Microsoft SQL Server Database Administrator

    $112k - $179k

    Microsoft SQL Server Database Administrator Join our exceptional team at Peraton and bring your expertise as a SQL Database Engineer to contribute to a prestigious, worldwide national intelligence program. We are at the forefront of mission application design, development... 
    Full time
    Contract work
    Temporary work
    Worldwide
    Flexible hours
    Shift work

    Peraton

    Herndon, VA
    4 days ago