• Manage, implement, support, monitor and maintain the network Infrastructure platforms, include Cisco Switches, Routers, and Firewall (Check Point, Palo Alto, F5 and ASA firewall), Internet backbone connection, DHCP for remote office connections, VPN, and all other related system.• Control and maintain Data Center and Disaster Recovery Site• Assists in develop plans, implementing, testing, and maintaining the Disaster recovery plans, and other backup contingencies, diagnose And troubleshoot hardware, software and other network problems• Monitor Network performance in order to determine whether Adjustments need to be made, and to determine where changes will Need to be made in the future• Plan, coordinate, and implement network security measures in order To protect data, software, and hardware• Work closely with IT support team to provide end-user support and Issue resolution• Interface with vendors for support and maintenances of all IT Infrastructures

• Setup hardware servers, rack, cabling and OS UNIX/Linux/Windows• Setup/install and configuration storage and SAN system in flexible Manner• Regularly check servers, storage and other equipment to ensure that it is up and running• Manage AD, MS Exchange and access control system user• Manage and monitor data centers, UPS system and cooling system• Documents, maintains, upgrades or replaces hardware and software systems• Develops, maintains, and monitors backup procedures• Performs or assists in troubleshooting and diagnosing production Problem• Assists in the planning, design, documentation, and implementation Of various systems

• Phone System: configure Auto call in AMEYO, monitoring system AMEYO (Manage and Supervise), Create extension for calling, and Upload phone number into server for auto call.• Setup hardware servers, rack, cabling and OS UNIX/Linux/Windows• Manage and monitor data centers, UPS system, air conditioners. • Manage AD, DHCP, FTP Server.• Backup and Restore voice.• Monitor and troubleshoot network connectivity.• Configure, monitor, and troubleshoot network device (routers, Switches, Wireless Access Point).• Maintenance and repair equipment of IT • Implement and planning for improve system.• Supported end user.