I am Shuvo. I have been working for two of the leading internet service providers in Bangladesh as a System Administrator for 6+ years. The major areas I have worked so far - Cpanel server configuration and administration, Zimbra Mail server solution, Zimbra backup solution, Postfix mail server solution, Opensource web hosting solution like- CWP and Vesta, Network monitoring solution with Nagios & Zabbix, PHP Mysql Web Applications, Linux server security, Virtualization with Vmware ESXi and LXC/LXD container, BIND DNS server configuration and maintenance, Mail Transaction issue troubleshoot, Barracuda Spamfilter, SSL Certificate, Storage solution with NAS, SAN & iSCSI, AWS EC2, Route 53 and So on. Looking forward.