-Design network system of buildings-Design network system of factory-Config Fortigate firewall-Config Switch Cisco, VLAN, routing, access-lists...-Server room temperature&humidity monitoring (using IoT device)-Config Server Raid, install ESXI and manager all Virtual machine-Use Zabbix+Grafana monitor all device and system, send alert to Telegram or LINE App-Config and manager DLP system-Config and manager SSLVPN on Sangfor-Config server HCI with Sangfor

-Office network system design, network device config and manager (Fortigate, Cisco, Draytek, Unifi)-Manager server (ESXI, windows server, Centos, Ubuntu, SAN, NAS)-Install AD, DNS, IIS on windows server-Wifi Unifi controller config-Use Radius to authentication Wifi-Install OpenVPN and config connect to LDAP authentication account, Fortigate SSLVPN config-Install Zabbix, grafana monitor all device and system, dens alert to LINE APP-Config VLAN-Use Docker to install ITOP, OCS, GLPI, MBRS, MOODLE, ZABBIX)-Use IoT to monitor server room temperature & humidity-NVR config, camera HIKvision, camera Dahua config

-24/7 monitor CDN system-24/7 support user-DNS