Hello! I and my team is able to this issue.
At this moment we have good technical support based on team of 12 qualified System Administrators and 5 of them are Senior System Administrators.
In area of providing Managed Services we have experience with such technologies as Virtuozzo, different types of virtualization (OpenVZ, KVM, XEN), different distributives of OS Linux / OS Unix / OS MS Windows Server systems, VPN/DNS/IPTables/Firewalls/web servers/mail servers configuration and tuning etc.