I have big experience in working with linux,freebsd servers,with tuning nginx,apache,php.I work with websites,domains,dns settings,email servers such as zimbra,postfix,exim,I work with virtualization such as vmware,proxmox,virsh,xenserver,I'm working with cisco switches,mikrotik routers.
I know shell,php, like to write scripts to automate system working,use different monitoring tools such as cacti,icinga,nagios,dude,have a big experience in iptv,billing systems and many [login to view URL] help you with solving your issues.