I am a linux server expert with iubuntu using nginx. I am a senior system admin with 10+ years of experience. I work at a hosting conpany and have managed more than 200 server of different configuration.
In area of providing Managed Services I 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.
If you are interested, feel free to contact me.