IT Officer/IT Engineer (Microsoft 365）

OEX BULLION LIMITED; Hong Kong; On-site; HKD 360,000 - 480,000; Full time

Job summary

OEX BULLION LIMITED is seeking a skilled IT Engineer to act as the subject matter expert for the Microsoft 365 suite, including Exchange Online, SharePoint Online, OneDrive for Business, and Intune. You will administer Teams with governance and telephony, manage user life cycles, and ensure security and compliance across Purview and Defender portals.

Additionally, you will troubleshoot complex M365 issues, provide tier 1/2 IT support for office hardware, and maintain the local network and AV

Qualifications

• Associate or Bachelor’s degree in IT/CS or equivalent experience.
• 4+ years in IT/Engineer roles focused on Microsoft 365.
• Expert knowledge of the Microsoft 365 ecosystem.
• Hands-on Teams administration with governance and integration.
• General office IT support and troubleshooting experience.
• Strong networking fundamentals (TCP/IP, DNS, DHCP, VPN, Wi‑Fi).
• Windows 10/11 and macOS support experience.
• Experience with Microsoft Intune (Endpoint Manager).
• Excellent problem‑solving and multi-tasking abilities.
• Fluent in Cantonese, Mandarin, and English.

Responsibilities

• Serve as the subject matter expert for the Microsoft 365 suite (Exchange Online, SharePoint Online, OneDrive for Business, Intune).
• Administer, configure, and support Teams (policies, governance, telephony, meeting room systems).
• Manage user lifecycle processes (onboarding, offboarding, role changes).
• Implement and manage security/compliance in Purview & Defender portals.
• Troubleshoot complex M365 issues (applications, authentication, connectivity).
• Provide tier 1/2 IT support for hardware and software in the office.
• Manage local office network (LAN/Wi‑Fi) for high availability.
• Enforce IT security policies (endpoint protection, patching, access controls).
• Manage IT assets (inventory, procurement, lifecycle).
• Set up and support conference room AV equipment.

Skills

Microsoft 365

Exchange Online

SharePoint Online

OneDrive for Business

Intune

Teams administration

Policies governance

Security compliance

Networking basics

Windows support

macOS support

PowerShell scripting

Cantonese

Mandarin

English

Education

Associate or Bachelor’s degree in IT/CS

Tools

Intune

PowerShell

Job description

Serve as the subject matter expert for the entire Microsoft 365 suite, including Exchange Online, SharePoint Online, OneDrive for Business, and Intune.

Administer, configure, and supportMicrosoft Teams, including teams/channels, policies, governance, telephony, and meeting room systems.

Manage user lifecycle processes (onboarding, offboarding, role changes) within the M365 environment.

Implement and manage security and compliance features within the Microsoft 365 Purview & Defender portals.

Troubleshoot complex issues related to M365 applications, authentication, and connectivity.

Office IT Support & Infrastructure:

Provide tier 1/2 technical support for hardware (laptops, desktops, printers, phones) and software for office employees.

Manage and maintain the local office network (LAN/Wi-Fi), ensuring high availability and performance.

Implement and enforce IT security policies, including endpoint protection, patch management, and access controls.

Manage IT assets, including inventory, procurement, and lifecycle management.

Set up and support audio-visual (AV) equipment in conference and meeting rooms.

Qualifications & Experience:

Associate or Bachelor’s degree in Information Technology, Computer Science, or a related field, or equivalent practical experience.

Proven experience (4+ years) as an IT Engineer, Systems Administrator, or similar role with a deep focus on Microsoft 365.

Expert knowledge of the Microsoft 365 ecosystem is essential.

Extensive hands‑on experience administering Microsoft Teams, including policies, governance, and integration with other services.

Strong experience in providing general office IT support and troubleshooting.

Solid understanding of networking fundamentals (TCP/IP, DNS, DHCP, VPN, Wi‑Fi).

Experience with Windows 10/11 and macOS support.

Experience with Microsoft Intune (Endpoint Manager) for mobile device and application management is a strong plus.

Excellent problem‑solving skills and the ability to manage multiple tasks simultaneously.

Fluent in Cantonese, Mandarin, and English.

Preferred Qualifications:

Microsoft 365 Certified: Fundamentals (MS-900) or Microsoft 365 Certified: Teams Administrator Associate (MS-700).

Experience with PowerShell scripting for automation and administration of Microsoft 365 services.