📢Freelancing opportunity – Wintel System Administrator – 2‑year contract🚀 - Remote - EMEADuties and responsibilities:Infrastructure management: administer and maintain Windows Server Infrastructure across multi-national environments & manage Active Directory, Group Policy Objects (GPOs), DNS, DHCP and Certificate ServicesTroubleshooting & Support: investigate and resolve complex issues related to server performance, security and services in Windows environments & provide L3 support for escalated incidentsDocumentation: create and maintain detailed runbooks, operational procedures and technical documentationVirtualization: Support VMware vSphere / ESXi environments including vCenter administration (clusters, HA, DRS, storage policies, templates, snapshots)Automation & Scripting: Develop and maintain automation scripts using Powershell, Bash and Python to streamline system and virtualization tasks & utilize tools like Ansible for configuration management and task automation across environmentsRequirements:Minimum of 5 years of hands-on experience managing Windows Server infrastructure in enterprise environmentsGood understanding of English – spoken and written;Proven ability in documenting operational procedures, creating runbooks, and maintaining internal knowledge basesSolid background in Windows Server administration, including configuration and maintenanceStrong troubleshooting skills in enterprise Windows environments, covering performance, security, and service-related issuesAdvanced knowledge of Active Directory (AD), Group Policy Objects (GPOs), DNS, DHCP, and Certificate ServicesBasic proficiency in VMware vSphere/ESXi administration, configuration, and troubleshooting, including VMware vCenter (clusters, HA, DRS, storage policies, templates, snapshots)Familiarity with Nutanix Prism Central / Element and AHV hypervisor (including N2C)Experience using PowerShell, Bash, and Python for automation of virtualization tasks (e.g., via Ansible)Working knowledge of backup tools for virtual environments, such as Commvault and Networker