Tales of the world: Radiant Mythology 3 Job Change Guide

To change job on Tales of the world: Radiant Mythology 3, you must first meet the required level of your chosen character and then go to guild leader(Ange). Talk to her and select the last option.

Available from beginning:
Warrior
Swordsman/Fencer
Fighter
Hunter
Thief
Magician
Priest

2nd Job Classes:
Great Swordsman: Warrior (Level 30)
Twin Swordsman: Swordsman/Fencer (Level 30)
Gunslinger: Hunter (Level 30)
Monk: Fighter (Level 30) / Priest (Level 30)
Bishop: Magician (Level 30) / Priest (Level 30)
Magic Swordsman: Swordsman (Level 30) / Magician (Level 30) / Priest (Level 30)
Ninja: Thief (Level 30) / Figther (Level 30) / Hunter (Level 30)
Pirate: Thief (Level 30) / Gunman (Level 30)
Paladin: Priest (Level 30) / Great Swordsman (Level 30)