· Working on Linux mail server. · Built secure ftp transmission to web server using a Linux FTP box as a gateway with Samba connections · Installing & configuring Free PBX · Writing appropriate Dial plan for asterisk · Designed and deployed networks as per the company requirement. · Administration of Linux Asterisk VoIP sever & trouble shooting the server · Taking week to week back up of the servers such as sales reports & agent dialing reports and familiar with various report generation. · Experience on working VOIP phone like Polycom, Cisco and Linksys. · Creating roaming profiles for client system & regular maintenance of the system · Remote desktop using net monitoring. · Troubleshooting Desktops of Clients Remotely · Providing appropriate rights to user accounts according to requirements. · Handling Hardware and Technical problems of networks. · Administration of Linux Asterisk VoIP severs & trouble shouting the server · Network analysis & traffic control · Administration of Servers involved for different Projects. · Maintaining Data Backup’s with Backup Software’s. · Implemented group policies and system policies for windows server Clients. · Providing Network Solutions, Designing and implementing networks. · Knowledge on installing 2003 and 2007 Exchange server. · Knowledge on 2003 Exchange server. · Having good knowledge in VoIP based Asterisk servers & trouble shouting. · Expert in self implementing and working on different types of PHP modules such as CMS, HELPDESK, CRM, etc. · Responsible for providing N