That is a whole interesting topic -- the various specialties within my general field (software development) that I would be quite capable of doing.
But that is in theory. In practice, they want experience to do most of these things.
Yeah, that's the problem with switching career tracks this late in the game. You'd be an entry-level guy in that arena, and they can probably get people with 5+ years experience for the same entry-level pay given the job market.