You will need Nraas Careers installed in your packages folder to make the career work. It should be the same patch as your game
>>> NRAAS CAREER MOD<<<
*Note:
Packages Folder Location – Documents\Electronic Arts\The Sims 3\Mods\Packages
1. Make sure The Sims 3 game is closed.
2. Copy and paste the mod to your Documents\Electronic Arts\The Sims 3\Mods\Packages folder.
3. Open the game and enjoy!
Richard's The Sims 3 Custom Careers 