I work on something called the Manaiakalani project which currently deploys around 1,600 netbooks running Ubuntu (though unfortunately they're now moving to Chromebooks).

If absolutely forced to give myself a title, it'd be something along the lines of a "Linux Desktop COE engineer" though personally, I don't give titles much credence and I strive more for inconsistent environments as doing otherwise would imply that people all work in the same way.

Which funnily enough, is making Ubuntu a little less desirable though I haven't decided what I'm likely to move to next.

Anyway, I'm fairly good with desktop stuff with a view to deployment.