• Systems Administrator II Generalist Sr…

    V2X (Springfield, VA)
    …respect, responsibility, and professionalism. We are hiring a Senior Systems Administrator II Generalist - Windows Server - active TS/SCI clearance to ... to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II shall support the...Exchange, IIS, SQL, SharePoint, etc. and/or services, such as Active Directory (AD) and Domain Naming Service… more
    V2X (11/15/25)
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  • System Administrator 2

    M. C. Dean (District Of Columbia, DC)
    …Server operating systems (eg, Windows Server 2016/2019). + Strong knowledge of Active Directory management and Group Policy administration. + Hands-on experience ... patching and vulnerability remediation. + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Requires basic knowledge… more
    M. C. Dean (08/27/25)
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  • System Administrator 3

    M. C. Dean (District Of Columbia, DC)
    …(servers and workstations). + Implement and maintain sophisticated enterprise Windows Active Directory Architectures. + Perform daily operations to include ... and cybersecurity industries. Responsibilities What you'll do: The Systems Administrator 3 is responsible for the day-to-day management, maintenance,... Active Directory management, monitoring and reviewing system logs. + Configure… more
    M. C. Dean (08/27/25)
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  • Public Key Infrastructure (PKI) Security…

    Tetrad Digital Integrity LLC (Falls Church, VA)
    …any combination of the following: IT Sys Admin, Server Admin, Networking, Active Directory /LDAP, Unix/Linux or Virtualization and Access control administration + ... this digital age. We are currently recruiting for a Senior level Public Key Infrastructure (PKI) Security Administrator...Certificate Enrollment Web Service & Policy Web Service + Active Directory Certificate Services (ADCS) monitoring +… more
    Tetrad Digital Integrity LLC (11/20/25)
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  • Senior Systems Administrator

    Oracle (Washington, DC)
    …a Linux environment. + Experience handling production systems running Windows Server OS, Active Directory , Group Policy, Linux or UNIX. + Use of ticket ... clients, both preventatively and reactively. + Lead cross-team collaboration for active emergency technical issues, ensuring all relevant stakeholders are involved… more
    Oracle (11/25/25)
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  • Sr. Systems Administrator

    Arena Technical Resources, LLC (Washington, DC)
    …permissions according to the least privilege principles . Integrate systems with Azure Active Directory or on-prem AD for centralized identity management and ... products . Address all vulnerabilities identified via system scanning Systems Administrator Senior Advisor Requirements and Qualifications . Master's degree… more
    Arena Technical Resources, LLC (10/25/25)
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  • System Administrator 4

    M. C. Dean (District Of Columbia, DC)
    …vulnerability remediation with ATO processes + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Strong oral, written and ... in electrical, engineering, and cybersecurity industries. Responsibilities As a System Administrator for our Physical Security Systems, you will be responsible for… more
    M. C. Dean (09/26/25)
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  • SharePoint Administrator Expert (SME)…

    General Dynamics Information Technology (Fort Belvoir, VA)
    …knowledge with SharePoint Online administration + Experience administering Windows Servers, Active Directory including ADFS, DNS, SMTP, Network Load Balancing, ... related experience **US Citizenship Required:** Yes **Job Description:** **SharePoint Administrator Expert (SME) - TS/SCI required** Make meaningful contributions… more
    General Dynamics Information Technology (10/29/25)
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  • Physical Security System Administrator 4

    M. C. Dean (Chantilly, VA)
    …vulnerability remediation with ATO processes + Requires advanced knowledge of Windows active directory hierarchy and implementation. + Strong oral, written and ... and cybersecurity industries. We are seeking a **Physical Security System Administrator 4** to join our **Security and Electronic Systems (SES)** business… more
    M. C. Dean (10/23/25)
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  • Lead On-Site Systems Administrator

    Leidos (Washington, DC)
    …support, Windows workstation engineering and maintenance, managed print services, ITSM, Active Directory services, and video conferencing, among others. Leidos ... **Description** Leidos is hiring a ** Senior Systems Administrator ** to support the ESA V program. The ESA V program is an IT Services program supporting several… more
    Leidos (11/09/25)
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