I am Engineer with Master Degree from Dhaka ,Bangladesh. I'm also an experienced Linux and VoIP Server Administrator, areas of my expertise are: *Asterisk - Freepbx , Elastix , Vicidial , Goautodial , SIP , DAHDI , GSMintegration *Linux - CentOS, RedHat, Debian, Ubuntu, Gentoo (administration, configuration, audit, optimization) *Webhosting Administration (cPanel, Plesk, DirectAdmin) *Virtualization (Onapp,VMWare, VirtualBox, HyperVM, OpenVZ, Xen) *Amazon AWS setup using or Amazon tools *Apache (installation, configuration, optimization) *MySQL (installation, configuration, optimization) *Subversion systems - SVN, Perforce (instalaltion, configuration) *Atlassian JAVA applications - Jira, Confluence, etc. (installing and configuring) *Mail programs (Exim, Postfix, Qmail, dovecot, ssmtp) *System Backup and Restore automatization *System Services Monitoring automatization *Shell Scripting less