I worked in ICBC bank, I mainly responsible for:Daily work and Data Center Management, • Takes control networking configuration and networking security,operation monitoring and maintenance, and other project implementation given by the manager. • Working closely with the head office’s network support to carry out network operations to run smoothly, take preventive measures to control risk, ensure network security compliance.• Troubleshooting system and network problems, diagnosing and solving hardware or software faults;• Supporting up the rollout of the new production test system;• Check, establish new VPN peers, maintain relevant troubleshooting for the VPN connection towards partners.• Support and arrange the cabling for content providers that host their servers in the data center• Manage, control and troubleshoot LAN and Wifi connection IP address assignment and planning in the office.• Installation, configuration and change management of routers, switches, firewalls and other equipment• Maintain and control video surveillance systems and setting up new user accounts and profiles (AD account, access control equipment).Software developer-Analyzing user requirements;-Researching, designing and writing new softwares;