Specialist IT Infrastructure & Security

Job Summary The Specialist IT Infrastructure & Security is a hands-on, mid-level individual contributor responsible for the day-to-day administration, security and reliability of the organization’s server, network, cloud, virtualisation and endpoint estate. The role independently executes provisioning, hardening, monitoring, incident response and routine change activities, while collaborating with senior engineers on architecture and risk reduction initiatives. The Specialist is a key first responder for infrastructure incidents and a custodian of ISMS-aligned operating practices across LAN/WAN, firewalls, IAM, backup, cloud, hypervisor, telecom and physical-security systems. Key Responsibilities Operate, monitor and maintain core IT infrastructure components – servers, storage, virtualization, LAN/WAN/VLAN, routing, firewalls and Wi-Fi – ensuring agreed uptime and performance SLAs. Administer Windows and Linux server environments including patching, hardening, account management, perf...

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