I would look into high-tech manufacturing, research/development, etc. Anything that isn't hands-on in relation to your academic pursuit is probably a waste of your time if you have high aspirations. Have a constantly updated resumé ready at all times.
No offense to museums and their aficionados, but you don't need a degree to expand on artifact info tags. Waste of your time, unless no one else is hiring and you simply need to pay rent/etc.