- Manage and lead Network Team- Manage Cambodia Airports Infrastructures (Network, Server, and Storage)- Manage Security Team to working with VINCI group- Planning for Opex and Capex budget- Successful Manage many major projects for Phnom Penh, Siem Reap and Sihanoukville Airports:• Wireless Network at Sihanoukville Airport• Deploy new Corporation network firewall project with Fortinet for Three Airports.• Handle the whole IT system for Sihanoukville New Airport Terminal Building project• Deploy Network Monitoring system with SolarWinds tool• Restructure Core Network, Phnom Penh, Siem Reap, Sihanoukville Airports to make it fully redundancy and load lancing• Replace Core Switch with new Cisco 9400 series at Three Airports• Restructure Public Wi-Fi network for three airports.• Restructure Fiber Optic Cable for three airports• Restructure storage with NetApp storage for three airports• Network structure project for New Arrival terminal at KOS and VIP Terminal at KOS• Deploy Cisco Firepower firewall for Internet Edge firewall for three Airports• Internet edge firewall for Wi-Fi network for three Airports• Migrate Data Center Network with Nexus switches.• Replace new Server for three airports.• Domain Controller security Audit and fixing vulnerability issues• Migrate Windows Server to Windows Server 2019.• Manage Microsoft SCCM and Intune deployment project for Three Airports• Manage VMware migration project for Three Airports• Migrate CCTV System for Three Airports• Network Access Control for Three Airports• Deploy End Point Security with Cortex XDR• Replace AODB Infrastructure with VSAN Ready(Dell)• Successful deployments Firewall Data Center with Fortinet• SOC Integration with VINCI Group

• Teaching Cisco CCNA Couse• Teaching Cisco CCNP Routing Course• Teaching Cisco CCNP Switching Course • Teaching Cisco CCNP Troubleshooting Course• Teaching Cisco CCNA Security Course

• Managing CWT Backbone network• Managing IPv4 and IPv6 Network• Managing Monitoring system and Authentication Server• Managing Customer Network and Data Center• Consulting and designing network for customer• Dealing with customer network project• Implement customer services (DIA and DPLC)• Working with various vendors

• Managing CWT Backbone network• Managing IPv4 and IPv6 Network• Managing Monitoring system and Authentication Server• Managing Customer Network and Data Center• Consulting and designing network for customer• Dealing with customer network project• Implement customer services (DIA and DPLC)• Working with various vendors

• CCNP • CCNAv5 Introduction to Networks (ITN)• CCNAv5 Routing and Switching Essentials• CCNAv5 Scaling Networks• CCNAv5 Connecting Networks• CCNA Discovery 1: Networking for Home and Small Business• CCNA Discovery 2: Working at a Small-to-Medium Business or ISP• CCNA Discovery 3: Introducing Routing and Switching in the Enterprise• CCNA Discovery 4: Designing and Supporting Computer Networks

• Designing, Implementation and operations of many small and medium size ISPs, Enterprises, and Data Centre Networks in Australia and Fiji.• Migration of the Core Network from Cisco to Juniper.• Provide the consultant about the implementation IXP network in Cambodia.• Work with various products such as CISCO, JUNIPER, HUAWEI, HP, FORTIGATE, CHECKPOINT, ENTERASYS, MIKROTIK and other vendors.• Testing and implementing the customer networks.• Worked with Microsoft Windows Server 2003, 2008, 2012.• Worked with Linux System and Mac Apple.• Worked with (OSPF, OSPFv3, BGP, MP-BGP, IS-IS, IPv4, IPv6, QoS, MPLS)• Certification: CCNA, JNCIA-Junos, JNCIS-Sec, JNCIS-ENT, JNCIS-SP, JNCIP-ENT• Won the Cisco NetRiders Competition in Cambodia and went to Malaysia to compete in the Regional Championships in later 2011.

• FreeBSD and CentOS • Configure CISCO Routers and Switches • Configure Redundant with VRRP on Linux and HSRP protocol on CISCO Routers• Manage DNS and web server on Linux• Manage mail server • SDH Technology • Raisecom and OBCC Technology • Install and Configuring Openvpn • Managing Phone System with Trixbox PBX and VOIP• Monitoring System with Nagios and Cacti • Network Troubleshooting • Supporting users