Network Engineer

Trio Engineering Company Limited is a member of Trio Industrial Electronics Group Limited (Stock code: 1710). We position ourselves as a world class industrial electronics manufacturer, with headquarters in Hong Kong and production facilities in Guangzhou, the PRC & Rayong, Thailand and Leicestershire, UK. To match with our Group’s rapid expansion, we are now looking for a high caliber candidate to fill the following position. (Our website: www.trio-ieg.com)

Key Responsibilities:

• Manage daily IT operations for the HK office, including network, Wi-Fi, firewalls, servers, and access control systems.
• Monitor network performance, troubleshoot connectivity and hardware/software issues to ensure system stability.
• Configure and maintain routers, switches, firewalls, and VPN infrastructure; hands-on experience with Cisco devices required.
• Administer Microsoft 365 platform across multiple regions (including overseas entities), covering Exchange, user account and licence management, MFA, and security policy configuration.
• Manage Active Directory: user accounts, permission assignments, and group policies.
• Coordinate with HR to handle the full IT account lifecycle for onboarding, transfers, and offboarding.
• Provide IT service desk support to internal users, handling hardware, software, and troubleshooting requests.
• Implement and maintain network security measures, firewall policies, and compliance requirements.
• Liaise with vendors and service providers for hardware/software support and procurement.
• Document and update network configurations, IT procedures, and technical manuals; drive continuous process improvement.
• Manage day-to-day SQL Server operations, covering backup strategy, performance monitoring, access control, fault diagnosis (deadlocks/log overflow/data corruption), and replication sync to ensure business continuity.

Job Requirements:

• Bachelor's degree or above in Computer Science, Information Technology, or a related discipline.
• Minimum 5 years of relevant IT experience; candidates with independent or lead IT role experience preferred.
• Proven ability to manage IT operations independently with strong self-management skills.
• Hands-on experience with Cisco network devices and network monitoring tools.
• Solid knowledge of TCP/IP, LAN/WAN, DNS, DHCP, VPN, and firewall management.
• Proficient in Microsoft 365 administration (Exchange Online, Azure AD/Entra ID, Teams, SharePoint).
• Experience with Active Directory, group policy, and user lifecycle management.
• Familiarity with PowerShell scripting or other IT automation tools.
• SQL Server database operations experience, including backup/recovery, performance monitoring, access management, fault diagnosis, and replication sync configuration (SQL Server 2019 or above).
• Strong problem-solving skills; responsible, detail-oriented and proactive.

We are an equal opportunity employer and committed to workforce diversity with opportunity for continuous development and growth to all employees.

(All information will be treated in strict confidence and will be used exclusively for recruitment related purpose only. Information of unsuccessful applicants will be destroyed upon completion of the recruitment process.)