Experience supporting distributed infrastructure environments with 4,000+ users and 2,000+ virtual machines globally. Exposure to secure hybrid environments integrating on-premiseon-premises and cloud infrastructure. Technical Competencies: Mandatory: Administration of Windows, Linux and UNIX server platforms Active Directory (multi-domain/forest) and identity lifecycle management VMware vSphere/ESXi (virtualisation, resource pools, HA) IBM Cloud (IaaS provisioning, administration, security) Storage and backup systems (SAN/NAS, enterprise-grade backup platforms) Core networking knowledge: TCP/IP, VLANs, DNS, DHCP, routing Monitoring and observability tools Automation/orchestration skills (PowerShell, Bash, Ansible) Beneficial: Experience with AWS and/or Azure, especially in hybrid or cloud-native contexts Exposure to DevOps and Agile practices in IT operations Knowledge of containerisationcontainerization (Docker, Kubernetes) Familiarity with infrastructure compliance, access control, and secure baselining (e.g. CIS, NIST)

design, deploy, and maintain multi-platform server environments across windows, linux, and unix. manage and evolve the global active directory infrastructure, including secure authentication, policy enforcement, and domain architecture. implement, operate and optimiseoptimize virtualisedvirtualized platforms (primarily vmware), supporting high availability, resource planning and secure vm lifecycle management. integration and administration of ibm cloud iaas. contribute to readiness and adoption of cloud-native technologies on aws or azure (beneficial). implement and maintain enterprise-grade backup, storage (san/nas), monitoring systems to ensure uptime, compliance and rapid recovery. drive the automation of system provisioning, patching, and configuration using tools such as powershell, ansible, or terraform. ensure the security, compliance, and resilience of infrastructure through configuration hardening, vulnerability management, and access control. collaborate globally with it teams across regions to ensure standardization, knowledge sharing, and consistent infrastructure delivery. lead infrastructure projects from planning to execution, including global rollouts, migrations, upgrades, and modernization efforts. support audits and participate in it security reviews, ensuring infrastructure aligns with relevant frameworks (exempli gratia iso 27001, cis, nist). document architecture, operational procedures, and support materials for internal teams. required qualifications & experience: degree in computer science, information technology, or equivalent hands-on experience in complex infrastructure environments. proven expertise in managing large-scale server ecosystems across multiple platforms and locations.