Senior System Engineer – Cloud & On-Prem IT Infra

Gain City Group of Companies; Hong Kong; On-site; HKD 240,000 - 360,000; Full time

Job summary

Gain City Group of Companies is seeking a highly capable System Engineer to join our IT team in Hong Kong. The role focuses on hands-on management of complex IT Infrastructure across on-premise and cloud environments, handling escalations and ensuring business continuity.

The ideal candidate will have experience with Windows Server, Linux, VMware, AWS/Azure, and firewall/network environments, along with strong documentation and multi-branch operations exposure.

Qualifications

• Diploma or degree in IT related field; ITE certification with relevant certification can be considered.
• Minimum 3 years hands-on experience in supporting Windows Servers, Firewall, Network Switches, Backup, Database, etc.
• Hands-on experience in Cloud computing; Microsoft Dynamics CRM, NAVISION is an added advantage.
• Experience with Windows Servers administration on AD, DNS, DHCP, IIS, Exchange, Office365, Hyper-V, WAN/LAN/WLAN.
• MCSE and/or CCNA certification would be a plus.
• Experience supporting multi-branch retail environments, POS systems, or warehouse operations advantageous.

Responsibilities

• Monitoring and managing all installed systems, servers and applications in both on-premise and cloud environments.
• Maintain / review / enhance the network security policies.
• Provide required IT during and after office hours to ensure business operation and continuity.
• Review and provide risk assessment for firewall, Proxy and Mac whitelisting request.

Skills

Windows Server administration

Linux

Security policy management

Cloud computing

Networking

Communication

Education

Diploma or Degree in IT related field

ITE Certification

Tools

VMware

AWS

Azure

Firewall

Network Switches

Hyper-V

Job description

Gain City Group of Companies is seeking a highly capable System Engineer to join our IT team in Hong Kong. The role focuses on hands-on management of complex IT Infrastructure across on-premise and cloud environments, handling escalations and ensuring business continuity.

The ideal candidate will have experience with Windows Server, Linux, VMware, AWS/Azure, and firewall/network environments, along with strong documentation and multi-branch operations exposure.