Senior System Administrator | Financial Services | Up to 40K
Key responsibilities
Administer and support Microsoft Windows Server, Active Directory, DNS, DHCP, Group Policy, Certificate Services and Windows Failover Clustering
Manage Microsoft 365, Microsoft Entra ID, Exchange Online, Exchange Server, hybrid Exchange, Teams and Intune
Support Exchange mail flow, SMTP relay, email security, certificates and hybrid connectivity
Administer VMware vSphere environments, including ESXi, vCenter, vMotion, vDS, HA, DRS, vLCM and datastore management
Support Windows and Linux server patching, infrastructure upgrades, firmware updates and lifecycle management
Monitor and maintain servers, virtualisation, storage, network and supporting infrastructure
Administer SAN/NAS storage and Veeam backup and recovery solutions
Support OpenShift and Kubernetes platforms, including upgrades, patching, monitoring and troubleshooting
Provide Level 2 and Level 3 support, incident troubleshooting and root cause analysis
Support infrastructure security hardening, event log monitoring, CIS Benchmark reviews and security improvement activities
About you
Bachelor's degree or above in Information Technology, Computer Science or a related discipline
At least 5 years of relevant experience in enterprise IT infrastructure operations, system administration or infrastructure support
At least 2 years of experience in network equipment patching and maintenance, including routers, switches and firewalls
Strong hands-on experience in Windows Server, Active Directory, Microsoft 365, Exchange and Microsoft Entra ID
Hands-on experience with VMware vSphere, including ESXi and vCenter
Experience with Veeam and enterprise SAN/NAS storage
Experience with OpenShift or Kubernetes is an advantage
Knowledge of Red Hat Enterprise Linux, PowerShell, automation tools or infrastructure monitoring solutions is a plus
ITIL, Microsoft, VMware, Veeam, Red Hat, Kubernetes or cybersecurity certifications are advantageous
Good command of written and spoken Chinese and English