Whenever I hear that term I cringe a little. I think this was a word invented by developers (please correct me if I'm wrong) to bring sysadmins into the fold. It is definitely good to have an understanding of the application layer but developers also need to understand the systems running their applications.

I work in a large organization (5000+ employees) as a unix/linux sysadmin. You have to automate deployment, monitoring, configuration management because there just isn't time to do anything else. We have a group (about 4) out of 30+ that have an overall view of what you might call devops. The rest specilize in development or sysadmins. We meet once a week and review all progress on the dev/ops issues.

I like the term OpSec (http://en.wikipedia.org/wiki/Operations_security) someone who looks after Systems/Security ;) Since a good system admin should also know a great deal about security. Maybe Dev/Op/Sec.. haha, but really ;)

p.s. I found that job posting to be full of PR fluff. It would be nice to see job posting actually post what their looking for in a distilled form.