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Whitehall Resources Ltd Logo Whitehall Resources Ltd · IT - Administration

Active Directory SME

United Kingdom, Wokingham · Job Posted April 10, 2026
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Job Description

Whitehall Resources require an Active Directory SME to work with a key client on a 6 month initial contract. This role will involve on site work in Berkshire 2-3 days per week. Inside IR35. We are seeking a skilled Windows, Active Directory, and Virtualization Engineer with strong experience across Microsoft, Azure, and VMware/Hyper‑V platforms. The ideal candidate will be responsible for administering Windows servers, managing identity services, maintaining virtualization infrastructure, and ensuring the stability, security, and performance of enterprise systems. This role requires strong troubleshooting capabilities, hands‑on operational expertise, and effective collaboration with vendors and cross‑functional teams.

Job Responsibility

  • Windows Server Administration: Troubleshoot operating system-related issues
  • Perform user and access management tasks
  • Handle server commissioning and decommissioning processes
  • Perform Windows Vulnerability Mitigation and Patch Management
  • Conduct backup and restoration operations
  • Ensure high availability and operational stability of Windows Server environments
  • Active Directory & Azure Entra Management: Manage Active Directory including user, group, and OU administration
  • Maintain and configure Group Policies (GPOs)
  • Perform DNS record creation, troubleshooting, and maintenance
  • Manage DHCP scopes, reservations, and configurations
  • Administer FTP services on Windows platforms
  • Handle SSL certificate issuance, renewal, and lifecycle management
  • Manage Azure services, including deploying resources such as Logic Apps
  • Virtualization (VMware / Hyper‑V) Administration: Maintain and monitor overall VMware infrastructure health
  • Perform VM creation, configuration enhancements, and resource optimization
  • Manage snapshots, load distribution, and day‑to‑day VM troubleshooting
  • Conduct environment health checks and performance assessments
  • Set up and manage HA‑DRS clusters
  • Manage vNetworking, data stores, and storage allocation
  • Install, configure, and onboard new ESXi/ESX hosts
  • Coordinate with VMware or Hyper‑V vendors
  • Vendor Coordination: Act as the primary liaison for Microsoft, VMware, and other infrastructure vendors
  • Coordinate troubleshooting, escalations, and support requests
  • Ensure timely resolution of issues and communication with internal stakeholders

Requirements

  • Skilled Windows, Active Directory, and Virtualization Engineer with strong experience across Microsoft, Azure, and VMware/Hyper‑V platforms
  • Strong troubleshooting capabilities
  • Hands‑on operational expertise
  • Effective collaboration with vendors and cross‑functional teams
  • Eligible to work in the specified country/location
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