After you have finished you initial training and are qualified in your particular team you can embark on specialising your skills for a particular career.
It's a long battle ahead but you could keep things simple by getting correct information on how to take your steps in right direction.
DISCLAIMER: DMOZing.com is not affiliated in any way, shape, or form with DMOZ, AOL, Netscape, their management, entities or their official websites. Links to external websites on this website does not constitute endorsement.