Any physician of Bangladesh in nz working as a doctor

Hello'
   I have arrived in NZ just 2 days ago.I have admitted on diploma in health services management.(level 7).Would anyone living in NZ from Bangladesh can tell about the opportunity of job in NZ in this subject?What is the prerequisites for being a doctor here?I am seeking for an expert advice.

Hello' I am here to ask you something. i want study in NZ.Can you tell me about job market for a student  in auckland ? Can i bear my living cost by part-time job? Would you share your own experience ?