- Create, build and add network monitoring system server. Proxmox virtual server, Cacti nms server- Monitoring network device and ISP traffic balance - Manage operational teams and activities to ensure services function well- Monitor projects to ensure that work is completed on time- Perform configuration Mikrotik CCR Router as Router Internet Gateway BGP peering to multi NAP , filtering, balancing traffic to ensure stable internet service Management user, private & public ip address, dhcp server, pppoe Build vpn tunneling to ensure that the head office and branches can be connected to each other Load balancing traffic with firewall mangle and address list

- Monitoring alert network device and traffic via NMS tools- Perform analysis & troubleshoting network service disruptions - Perform configure new network devices- Perform configure activation for new customers- Perform change configuration network devices- Configure Gpon OLT devices (Huawei, ZTE, Raisecom, Bdcom)- Configure L2 Switch (Huawei, Cisco, Zyxel)- Configure L3 Routers Ospf, Mpls ldp, services Instance, Router gateway (Cisco ASR90, Huawei NE)- Configure Linux DHCP Serrver Ubuntu- Configure NAT, Firewall, routes (Fortigate)