secure network at ISP level
hundreds of server boxes with different roles and functions
qualified as a guru with Mac/iOS/android/meego :D
a tweeter and a googler.
*nix system administrator
network security advisor
multiple vpn solustion
2005 - 2009
system admin, networking security advisor
2011 - Present
protect and pursuit at ISP level
2010 - 2012
transform the whole mobile phone game platform
from Micro$oft IIS / MSSQL to holy Linux / MySQL / Tomcat.
not only just open source and reliability
but also lots of profit.