Дополнительные сведения:
I am a network / system administrator with 15+ year experience in different IT areas.
Linux (all distros),
virtualization (Hyper-V, VMware, KVM, also Amazon and Azure),
networks (BGP, VPNs, Radius, wireless...)
cisco (CCNA certification),
web-servers,
dns and mail,
Windows (NLB- and SQL-clusters),
SAN,
Monitoring (Zabbix, nagios...)
etc, etc...