You should be very familiar with the inner workings of MySQL, how is scales and how it doesn't. You should also be able to architect and maintain large installations of databases, how to construct a workable replication scheme that will be able to grow with an ever changing web 2.0 application.
We have two cages in the United States, so you should be comfortable working in a data center and dealing with NOC technicians.
The following should excite you:
- Unix/BSD
- Linux
- Puppet
- Nagios
- Cacti
- MySQL
- Memcached
- Apache 2
- Nginx
- Squid
- Lucene
- Hadoop
- HBase
- CouchDB
- Scripting or Programming Experience
- Cisco Networking
* "Ninjas" and/or "Rock-stars" need not apply.