Advice for work on post study work visa

Hi. Asking got a friend
Is there anyone who can provide me, some good suggestions what should I do now…
I have recently completed level 7 Bachelors of business.
I am planning to move Christchurch. Im planning to apply for 3 YEARS POST STUDY WORK VISA. Can anyone provide some advice what kind of job should I looking for and what would be the best options to get Permanent Residency.