Amazon AWS/Linux/Security Expert
The last 10 years I developed the whole IT infrastructure in large publishing house company, implemented domain, mail, documents workflow, and web services for 500+ company employees.
List of operational systems and technologies I have used the last ten years:
Dedicated Servers and VPS setup, configuration, security - both Windows and Linux.
Work with CentOS, Ubuntu, Debian, Amazon Linux, FreeBSD, Windows 2003/2008/2012 Servers.
Server administration Panels, setup and configure - Plesk, DirectAdmin, Cpanel, Webmin, WHMCS, VestaCP.
MySQL, MSSQL, Apache, IIS - setup, configuration, optimize for performance.
Wordpress - performance optimization, security, migration.