Install, configure and support Local Area Network (LAN), Wide Area Network (WAN), and Internet system. Coordinate changes to computer database management systems. Plan, coordinate, design, and maintain databases using HP UNIX/Sun Solaris/AIX, Linux or Windows Server, WEB/Mail Server, DNS, NFS, FTP, Backup Server, and correct programs. Involve in deployment and task of LAN, WAN, Security, and VoIP.