i can think of two "jobs" (though a lot of people do both): film scoring and/or music production.
if you want to be a producer there's no real set career path for that. it's like being a movie director. you just have to do it. pretty much the same with film scoring. you've gotta put yourself out there and hustle work, something they don't really teach you to do in college. there are some internships you can score which would help tremendously, in terms of gaining experience/connections, but those are often contingent on what college you're at and how connected they are to the industry in question.
anyway, hope this is of some help. if you honestly can't think of what you want to do though, that's not a good sign. you've gotta be really, really driven to succeed in the music business. nothing falls into your lap.