inside hire

Is it possible or how common is it to transition from part-time management to a professional position? I recently started working at UPS as a pre-load package handler, and it looks like I will be entering a PT management position soon. I may be interested in eventually transitioning into a...

a few questions for this (I tried doing the search to answer these but couldn't find exactly what I was looking for) -It's my understanding that seasonal drivers aren't worked every day; do inside hires get the driving that's available before the off the street hires? -If they don't work me in...