• Senior Cloud System Administrator

    ManTech (Hanover, MD)
    …+ Provide administration and support for Windows Server 2022 environments, including Active Directory , and manage Windows 10/11 client systems. + ... Linux operating systems. + Experience with Windows Server 2022 administration, including Active Directory and networking + Proven experience as a System … more
    ManTech (09/10/25)
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  • Senior System Administrator

    CACI International (Annapolis Junction, MD)
    …+ If assigned to Directory Services TTOs, administer and support: + Active Directory , DNS, Group Policy, Identity Management, Active Roles Server, ... Senior System Administrator Job Category: Information Technology Time Type: Full...a range of IT platforms including UNIX, Linux, and Windows systems. The ideal candidate brings extensive hands-on experience,… more
    CACI International (08/01/25)
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  • Mid/Sr System Administrator

    Leidos (Annapolis Junction, MD)
    …etc.). + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory . + Must have experience with Linux and Microsoft-based servers and ... **Description** **Mid/Sr System Administrator ** **Leidos** has a new and exciting opportunity...scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations. + Identifying and correcting… more
    Leidos (09/27/25)
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  • Sr. Principal NetApp Storage Administrator

    Northrop Grumman (Linthicum Heights, MD)
    …in effective operations to include advanced knowledge of the following: + Microsoft Active Directory (AD) - deployment, maintenance, and support. + Group Policy ... & Digital Office (CIDO) organization is seeking a senior NetApp Storage Administrator with expertise in NetApp storage management to join its Classified Solutions… more
    Northrop Grumman (07/18/25)
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  • Windows System Administrators Careers

    Northrop Grumman (Annapolis, MD)
    …and maintaining Classified Windows Domains in effective operations to include Active Directory (AD) maintenance and support, Group Policy (GPO), DNS ... you to speak with a Talent Advisor here at Northrop Grumman.** ** Windows Systems Administrator :** + Perform as a self-sufficient Windows Systems … more
    Northrop Grumman (09/14/25)
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  • (Mid. or Senior) System Administrator

    Belay Technologies (Annapolis Junction, MD)
    …etc.) + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory + Must have experience with Linux and Microsoft-based servers and ... system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations + Identifying and correcting hardware… more
    Belay Technologies (10/01/25)
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  • CNS Systems Administrator

    BAE Systems (Annapolis Junction, MD)
    …etc.). + Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory . + Must have experience with Linux and Microsoft-based servers and ... scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations. + Identifying and correcting hardware… more
    BAE Systems (09/29/25)
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  • IT Systems Administrator

    BOOZ, ALLEN & HAMILTON, INC. (Bethesda, MD)
    …tware on both desktop and laptop computers + Experience administering Micro sof t Windows Operating Systems, including Active Directory , group policy , and ... a customer-focused engineering solution. We are seeking a skilled Windows System Administrator to join our team. You'll leverage your extensive experience… more
    BOOZ, ALLEN & HAMILTON, INC. (09/19/25)
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  • Senior High Performance Computing (HPC) Systems…

    BAE Systems (Annapolis Junction, MD)
    …and architecture + Support Tier 3 Infrastructure services such as: DNS, NIS, Active Directory , Centrify, Zenoss, SiteScope, HP Openview, HP Oneview, HPSA, HPSE, ... mailbox management, enterprise-level multi-site design and architecture + Enterprise Active Directory /Centrify Zone management (creation, update, RBAC) +… more
    BAE Systems (09/09/25)
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  • Senior System Administrator - Network…

    St. George Tanaq Corporation (Suitland, MD)
    …Administration - Expert in managing Windows Server and Linux environments, Active Directory , Group Policy, DNS, DHCP, and virtualization platforms (VMware, ... Associate (CCNA), Microsoft / Windows Server Certifications Microsoft Certified: Windows Server Hybrid Administrator Associate or Microsoft Certified: Azure … more
    St. George Tanaq Corporation (08/15/25)
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