Senior IT System Engineer - Infrastructure & Security

Ingrid Millet Limited; Hong Kong; On-site; HKD 150,000 - 210,000; Full time

Job summary

Ingrid Millet Limited in Hong Kong is seeking an experienced IT System Engineer to maintain and advance our IT infrastructure. You will manage servers, networks, backups, and security, ensuring reliable operations across on-premise and hybrid environments.

You will participate in projects, migrations, and deployments, collaborate with cross-functional teams, and keep systems secure with monitoring, patching, and incident response. Fluency in English and Chinese is expected.

Qualifications

• Bachelor’s degree in Information Technology, Computer Science, or a related field.
• Minimum 5 years in system engineering, system administration, or comparable IT roles.
• Experience in on-premise or hybrid enterprise environments, healthcare/retail/hospitality exposure preferred but not required.

Responsibilities

• Install, configure, and maintain Windows Server and Linux systems in virtualized and baremetal environments.
• Configure and manage routers, switches, firewalls, VPNs, DNS, and networking infrastructure.
• Deploy and administer regular backups and ensure disaster recovery readiness.
• Design, implement, and monitor secure network segments; perform vulnerability remediation.
• Diagnose incidents and resolve issues remotely or on-site to minimize downtime.
• Assist with IT project rollouts such as migrations, upgrades, and new deployments.

Skills

Windows/Linux administration

Networking (routing/switching/firewall

Email server administration

Active Directory/Identity

Scripting (PowerShell/Bash)

Education

Bachelor's degree in IT/CS

Job description

Ingrid Millet Limited in Hong Kong is seeking an experienced IT System Engineer to maintain and advance our IT infrastructure. You will manage servers, networks, backups, and security, ensuring reliable operations across on-premise and hybrid environments.

You will participate in projects, migrations, and deployments, collaborate with cross-functional teams, and keep systems secure with monitoring, patching, and incident response. Fluency in English and Chinese is expected.