Having more than 5 years of experience with Linux Admin and providing best solutions to my dedicated clients.
I am having expert level of experience in below things.
1) setup new servers & application over to cloud server or ESXI
2) performance tuning with application or server
3) server security, server hardening, resolve venerability, run patches and upgrade servers
4) setup backup servers ( amanda, bacula, Rsycn and other kind of tools )
5) setup monitoring server ( zabbix, nagios, Mmonit)
6) site optimization with diff kind of tools...