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Nick Parkinson, the Community Manager for Sigil's Vanguard: Saga of Heroes, returns to write the last in his four part series of articles that highlight their team and at the same time answer the question: "So You Want to be an MMO Developer?"
We're lumping Quality Assurance, Customer Support and Community together because while the jobs are very much different all three are often seen as "foot in the door" jobs, so to speak. Meaning, a lot of folks get hired on in a position in one of these areas and want to eventually move on to some other area (typically design, though sometimes art). If you find yourself applying for one, don't feel that you need to keep that fact a secret either as it's usually not a problem.
Anyway, QA and CS people can prepare in much the same way you would for game design. Play lots of different kind of games, be active in the community and give good feedback where you can. For community particularly, and CS too having an amiable, generally good natured personality goes a long way. If you're just not a people person, you probably won't like being a GM or on the community team a whole bunch.
You can read the whole article here.