Medical is not that big a deal.
Interview is personal chat and a sim.
Knowledge of your own aircraft, common sense and being a likable person are
required.
I don't work there..but several friends from HKA have interviewed there recently and 2 of our previous Mgrs (both some of the best guys in the biz) are there now.
Good Luck - But know you WILL be there for 3 years as the bond is binding.