at the time being you might end up on 330 directly depending on your previous experience on 320 and hours,since the company is hiring some 320 rated guys on 330 directly
should you end up on 320,based on the actual rate,you might expect to move to 330 in a about one year
requirements to move transfer to 330 are 500 hrs in the company and 2 opc on 320
to move from 320/330 requirements are then 500 hrs on 330 and 2 330 opc,and of course in accordance with seniority