Systems Administrator – On‑Site IT Infra & End-User Support

Referment; Hong Kong; On-site; HKD 335,000 - 469,000; Full time

Job summary

Referment is seeking a Systems Administrator for its Hong Kong office. This hands-on, on-site role blends direct user support with infrastructure administration across Windows and UNIX environments, storage and clustering, and end-user equipment.

You will work with global teams and vendors, diagnose and resolve issues, support Windows PCs/servers and UNIX servers, mobiles, AV and conferencing systems, and contribute to automation and reliability improvements.

Qualifications

• Knowledge of Microsoft Windows enterprise environments and Microsoft 365.
• Practical systems-administration familiarity across hardware, software, desk-side, trading-floor, AV, conferencing, event or remote-user support.
• Strong research and analytical skills, with curiosity to solve unfamiliar problems and improve processes.
• Clear interpersonal, communication and organisational skills.
• Availability to work on site Monday to Friday, with occasional overtime and weekend assignments.
• Willingness to travel occasionally to Singapore and Shanghai.

Responsibilities

• Provide in-person support covering PC hardware, peripherals, software deployments, mobile-device management, videoconferencing, AV equipment, trading-floor technology and occasional data-centre work.
• Work with global teams and vendors to diagnose and resolve technical and non-technical issues.
• Support Windows PCs and servers, UNIX servers, mobile devices and communications infrastructure.
• Investigate complex issues, administer infrastructure-level systems and contribute to automation and efficiency improvements.

Skills

Windows

Microsoft 365

Systems administration

Desktop support

AV equipment

Trading-floor tech

Analytical skills

Communication skills

On-site availability

Tools

PowerShell

Python

Linux

Job description

Referment is seeking a Systems Administrator for its Hong Kong office. This hands-on, on-site role blends direct user support with infrastructure administration across Windows and UNIX environments, storage and clustering, and end-user equipment.

You will work with global teams and vendors, diagnose and resolve issues, support Windows PCs/servers and UNIX servers, mobiles, AV and conferencing systems, and contribute to automation and reliability improvements.