• Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... equivalent) or ability to obtain one within 180 days. + Experience with Windows and Linux operating systems. + Experience providing help-desk end-user support for… more
    ManTech (08/20/25)
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  • Senior IT Systems Administrator

    ManTech (Chantilly, VA)
    **MANTECH** seeks a motivated, career and customer-oriented **Senior IT Systems Administrator ** to join our team in **Chantilly, VA.** **Responsibilities include but ... obtain one within 180 days. + System Experience: Experience with both Windows and Linux operating systems. + End-User Support: Experience providing help-desk support… more
    ManTech (08/20/25)
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  • Computer System Administrator

    Northrop Grumman (Dulles, VA)
    …large user populations in a secure environment + Must have experience with either Windows (desktop and server ), Linux (Red Hat or HPC), VMWare, Storage Systems ... be limited to the following: + Perform as primary Systems or Network Administrator for a classified government contract. + Communicate effectively at all levels of… more
    Northrop Grumman (08/13/25)
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  • Senior System Administrator (C)

    SimIS Inc. (Dahlgren, VA)
    …others (work and win as a team). SimIS Inc seeks a Senior System Administrator to provide combat system simulation support to the Warfare Analysis and Digital ... computer system network administration activities. + Experience in Microsoft Windows computer operating systems, LINUX operating systems, CISCO Systems, computer… more
    SimIS Inc. (08/07/25)
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  • Windows Engineer

    TEKsystems (Radford, VA)
    … hosts to patch from. * Serve as overall subject matter expert on Windows Administrator technology and market capabilities/trends. * Manage objects stored in ... administrators. * Perform Active Directory user account, and member server management tasks in assigned OUs. * Provide daily...Must have (or obtain within 6 months of hire) Windows administrator related computing environment certification (ie… more
    TEKsystems (09/18/25)
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  • Senior Systems Administrator (S)

    SimIS Inc. (Dahlgren, VA)
    …operations with distributed teams across multiple geographic locations + Experience managing Windows and Linux server environments + Knowledge of network ... security, firewalls, and intrusion detection systems + Experience with virtualization technologies and cloud computing platforms + Demonstrated experience with DoD cybersecurity requirements and accreditation processes + Use experience gained to help manage… more
    SimIS Inc. (09/22/25)
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  • IT Support Specialist

    TekSynap (Fort Belvoir, VA)
    …SQL Server 2008 (MCM: SQL Server 2008) + Microsoft Certified Master: Windows Server 2008 R2: Directory (MCM: Server 2008R2) + Microsoft Certified ... Certified Architect: MS SQL Server (MCA: SQL Server ) + Microsoft Certified: Azure administrator Associate...Solutions Associate Windows Server 2012 (MCSA: WS2012) + Microsoft… more
    TekSynap (09/26/25)
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  • Information System Security Engineer (ISSE)

    Assertive Professionals (Chantilly, VA)
    …and server in a secure IT environment including one or more of Windows 7, Windows 10, Windows Server 2008 R2, Windows Server 2012, Windows ... Server 2012 R2, Windows Server 2016. + Securing and monitoring Linux & Microsoft...Information Systems Security Professional (CISSP) Certification(s). + Certified Splunk Administrator *Click here to read more about how we… more
    Assertive Professionals (07/10/25)
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  • Classified Lab Manager

    The MITRE Corporation (Mclean, VA)
    … Windows , Linux, Hypervisor systems, such as VMware + Patching and updating Windows and Linux (RHEL, Ubuntu) server and desktop operating systems + Updating ... Department Summary: The team seeks a full-time Senior Systems Administrator to support the deployment, operation, and maintenance of...anti-virus software definitions for Windows /Linux server and workstation + User maintenance… more
    The MITRE Corporation (09/04/25)
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  • Systems Engineer II

    Dollar Tree (Chesapeake, VA)
    …emphasis on both Azure and on-premises Active Directory.** **Evaluate and implement Windows Server technologies including Group Policy and DNS.** **Perform ... Systems Engineering or related IT infrastructure roles.** **Strong expertise in Windows Server OS (2016, 2019, and newer).** **Experience with virtualization… more
    Dollar Tree (09/23/25)
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