-Cloud Infrastructure Management-Oversaw operation and management of Fortigate firewall, Huawei Cloud and AWS Cloud for VPN connections between AWS cloud, Huawei cloud and HQ-Configured and managed the life cycle of AWS Cloud services, including EC2, RDS, Route 53, ELB, IAM user, API Gateway and S3-Implemented Palo Alto VM-Series Firewall on AWS-I accomplished optimization of A Bank's Head office and branch network design by implementing strategic planning, resulting in efficient management-Managed and implemented network devices, specializing in Cisco equipment, and managed in Ruijie WiFi gateway switches and AP

- Network Switch initial configuration- Installing, configuring and supporting network equipment including routers, switches, WAN accelerators, Vlan, EtherChannel, SNMP, Port Security and DHCP.- Monitoring the Head Office network connection (MPLS, IPsec Tunnel, Hub and spoke VPN tunnel, Forticlient VPN user Tunnel and Data Center connection)- Implementing IPsec VPN tunnel for new branches (Hub and spoke VPN tunnel) (Fortigate Device)- Implementing IPsec VPN tunnel with NAT for Head Office data center and outside vendor network (Fortigate Device)- Maximizing network performance through ongoing monitoring and troubleshooting

-Responsibilities in installing, troubleshooting and configuring the computer hardware, software, system, networks, printers and scanner-Computer system and network monitoring and maintenance Responding to service issues in a timely manner.-Supporting to the Abank's Branches of technical issues-Preparing the new branch Opening( set up the new PC, Printer, Passbook printer, scanner and copier)-Documentation the IT devices access list-Procurement of IT accessories