Hello!
As far as I know, the hunter job change quest is still in Payon, BUT now that we have Hugel, shouldn't it really be moved to Hugel? Especially with Hugel being the location for the Hunter Guild.
NPC locations can be found in the iROWiki guide: https://irowiki.org/...ob_Change_Guide
Additionally, maybe fixing where it's located will also fix the bug that allows you to bypass the monster killing portion of the quest. Or, that also is something that should be addressed!