1. Can speak Chinese, English, and Khmer 2. Responsible for internal LAN monitoring and maintenance work 3. Optimize the network system, plan, and adjust the equipment configuration, complete the router/switch configuration, participate in the management of the server and application system, and ensure the stable and reliable operation of the system 4. Responsible for the company’s computer hardware and software and peripherals (printers, copiers, projectors, etc.), installation and maintenance 5. Responsible for maintenance work on weak electricity system; monitoring, access, control, time and attendance system; digital group and telephone host configuration and maintenance. 6. Deal with network and computer fault, take charge of exception handling and maintain network system security 7. Responsible for the maintenance of the company’s daily circuits and security issues 8. Listen to the leadership of the company’s daily routine maintenance and maintenance of the window system desktop.