Job Description

Our client is a leading mobile network operator that runs Singapore's connectivity. The IT team is lean and senior, meaning less bureaucracy, more ownership. This is a hands-on role across network engineering, systems, cloud, and security, working closely with the Cybersecurity team in a compliance-driven environment.

Responsibilities

  • Design and administer network infrastructure - routing, switching, firewalls, VPNs, NAC, wired and wireless
  • Manage Windows Server, Linux, and virtualisation platforms (VMware, Hyper-V), including NAS, SAN, and vSAN
  • Administer M365 services (Entra ID, Intune, Exchange Online, Teams) and hybrid AD/Entra identity
  • Own monitoring tools (Grafana, Zabbix, PRTG, Nagios), patching cycles, migrations, and documentation
  • Enforce security best practices - segmentation, CIS hardening, PAM/IAM control
  • Implement M365 security controls, audit logging, and ensure regulatory com...

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