Active Directory SME

Ref: BBBH66464_1774883087

Active Directory SME

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.

Active Directory SME

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.

Your responsibilities:

Windows Server Administration
* Troubleshoot operating system-related issues such as unexpected restarts, server slowness, and performance bottlenecks.
* Perform user and access management tasks.
* Handle server commissioning and decommissioning processes.
* Perform Windows Vulnerability Mitigation and Patch Management.
* Conduct backup and restoration operations using approved tools and protocols.
* 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) to ensure compliance and system consistency.
* 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 and related components.

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, ensuring system resilience and failover readiness.
* Manage vNetworking, data stores, and storage allocation.
* Install, configure, and onboard new ESXi/ESX hosts into the environment.
* Coordinate with VMware or Hyper‑V vendors to resolve issues and plan upgrades.

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

All of our opportunities require that applicants are eligible to work in the specified country/location, unless otherwise stated in the job description.

Whitehall Resources are an equal opportunities employer who value a diverse and inclusive working environment. All qualified applicants will receive consideration for employment without regard to race, religion, gender identity or expression, sexual orientation, national origin, pregnancy, disability, age, veteran status, or other characteristics.

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