Senior IT Infrastructure Engineer (Network & Systems)

Job Duties

• Design, implement, and support end-to-end on-premises IT infrastructure (network, systems, and cloud environments)
• Implement, operate, and troubleshoot enterprise network infrastructure (routing, switching, firewalls, VPN, NAC, load balancers, wired/wireless networks).
• Deploy, configure, and support Windows Server, Linux, VMware/Hyper-V, and storage systems.
• Support Microsoft 365 and hybrid identity environments (Entra ID, Intune, Exchange, Teams).
• Perform troubleshooting and root cause analysis (RCA) for complex infrastructure issues.
• Implement security controls including segmentation, hardening, patching, and vulnerability management.
• Manage monitoring platforms (Zabbix, Grafana, PRTG, Nagios) including performance tuning and alert optimisation.
• Support ITSM processes (incident, problem, change) and participate in on-call operations
• Maintain IT asset inventory, lifecycle m...