Responsibilities: - In charge of operating, optimizing network & security system for Mobifone Corporation . - Consultant, design, renew and deploy network & security system. - Construct Operating Procedures, Operating Guides for IT Center.- Build investment plans, upgrade plans for network and security system. - Research and test new solutions, new technologies

Responsibilities: - In charge of consulting, designing network system for Data Center (DC) and Disaster Recovery (DR) of VinEcom. - Responsible for the implementation, deployment, management and operation of the network system. - Consulting, support to deploy security system. - Responsible for the management and operation of the Contact Center system.

Responsibilities: - Survey, consultant, design, deploy projects of network & security for customers such as VMS-Mobifone, Vinaphone, Department of Information and Communications, Ministry of Information and Communications, State Bank, Lao Telecom,...- Troubleshooting, fix problems, support solutions to customers.- Had a lot of experience in consultant, construction, design and deployment IT system of big Enterprise. Consultancy, design, deployment of Lan, Wan Network, Wifi, Firewall, AV, IPS, Proxy, Web gateway, DNS, DHCP, VoIP,...- Worked with a lot of vendors and products: Cisco, Juniper, HP Network, Huawei, ZTE, Checkpoint, Bluecoat Proxy, Symantec, Mcafee, Trend Micro, F5, Citrix,...

Network Engineer at NOC (Network Operations Center)Responsibilities: - Manage, monitor, operate network system. - Troubleshooting (Local, Metro, Core Network,…). - Support solutions, providing services to customers (ADSL, Lease line, MPLS,…). - Optimize IP Core and MPLS Network.