Senior Systems Administrator – Cloud & On-Prem Infra

The Wharf (Holdings) Limited; Hong Kong Island; On-site; HKD 180,000 - 360,000; Full time

Job summary

The Wharf (Holdings) Limited is seeking an experienced Systems Administrator to install, manage and secure the firm’s information systems across AD, Exchange, Office 365 and cloud platforms. You will support on-site operations, mentor junior staff, and coordinate with vendors while ensuring compliance and timely responses.

The role requires strong English and Chinese communication, ability to work under pressure, and a proactive, detail-oriented approach.

Qualifications

• Degree in Information Technology/Computer Science or related field.
• Minimum 5 years’ experience in a sizeable firm.
• Hands-on experience in AD, Exchange, Office 365, WSUS/SCCM.
• Strong infrastructure skills in Server, SAN, Windows, VMware, SSLVPN, Veeam.
• Experience with Azure and AWS administration preferred.
• Vendor management experience with SI.
• Good knowledge of Ethernet, VLANs, QoS, routing, switching, IP addressing.
• Excellent English and Chinese; Putonghua required.
• Candidates with less experience may be considered as Assistant System Administrator.

Responsibilities

• Handle system installation, upgrade, configuration, administration, troubleshooting, patching, and monitoring of information systems.
• Manage system storage, backup, and restore operations.
• Assist in planning and implementing systems and network integrations.
• Configure security settings or access permissions.
• Analyze and report security breaches or attempted breaches.
• Liaise with vendors, suppliers, distributors and contract consultants.
• Evaluate new technologies to resolve business challenges.
• Mentor and guide junior staff on operation and configuration of systems.
• Prepare reports, procedures and manuals as required.
• Respond to urgent requests and provide after-hours support with company devices.

Skills

Strong communication in English & CNY

Prioritize effectively

Independent & well-organized

Detail-oriented

Troubleshooting

Education

Degree in Information Technology/Computer Science

Certifications (VCP/MCSE/CCNA/ITIL) beneficial

Tools

Microsoft Active Directory

Group Policy Objects (GPOs)

Microsoft Exchange

Office 365

WSUS/SCCM

VMware

Veeam

Azure Cloud

AWS

SSL VPN

Networking: VLANs/QoS/Routing/Switching

Job description

The Wharf (Holdings) Limited is seeking an experienced Systems Administrator to install, manage and secure the firm’s information systems across AD, Exchange, Office 365 and cloud platforms. You will support on-site operations, mentor junior staff, and coordinate with vendors while ensuring compliance and timely responses.

The role requires strong English and Chinese communication, ability to work under pressure, and a proactive, detail-oriented approach.