Hands-On Global Systems Administrator (Windows/UNIX) – Hong Kong

Referment; Hong Kong; On-site; HKD 420,000 - 620,000; Full time

Job summary

Referment is seeking a hands-on Systems Administrator for its Hong Kong office to support Windows and UNIX environments, storage, and communications platforms. This role blends direct user support with infrastructure administration, troubleshooting, and project work.

You will collaborate with global colleagues and vendors to improve reliability and efficiency while addressing trading-floor technology, AV, and end-user equipment needs. Occasional travel to Singapore and Shanghai may be required.

Qualifications

• Experience managing Windows enterprise environments and Microsoft 365.
• Hands-on hardware, software, AV, and trading-floor support.
• Strong problem-solving and process-improvement mindset.
• Excellent communication and organizational skills.
• Willingness to work on site Monday to Friday with occasional overtime.
• Occasional travel 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 administration

Microsoft 365

IT support

Python

PowerShell

Linux

Mandarin (optional)

Job description

Referment is seeking a hands-on Systems Administrator for its Hong Kong office to support Windows and UNIX environments, storage, and communications platforms. This role blends direct user support with infrastructure administration, troubleshooting, and project work.

You will collaborate with global colleagues and vendors to improve reliability and efficiency while addressing trading-floor technology, AV, and end-user equipment needs. Occasional travel to Singapore and Shanghai may be required.