Having good experience on
Installation of RHEL operating system software (RHEL 5.0-6.x) and multi-boot systems, system initialization and services, user administration, network configuration, installing printers, firewall (PFSense).
System installation and centralized administration of all applications on Linux and window servers, workstations & securing them from the vulnerability point of view
Installation and setup of asterisk software based IP-PBX / VOIP system; deployment of services include: VOIP, video conferencing over IP.