That sounds like a job with a very high turnover rate…

↓ Transcript
1 - (Gary is excitedly running around the office)
Gary: I'm a hero, I'm a hero, I'm a hero, I'm a hero, I'm a hero, I'm a hero...
Gate Keeper: Settle down! You're just in the union; you're not a hero!

2 - (GK scowls at Gary)
Gate Keeper: You're stuck doing the same job as the guy that union badge belonged to.

3 - (Gary looks a little dejected as GK waves off the situation)
Gary: What do you think his job was?
Gate Keeper: Probably testing the equipment to see if it vaporizes people. That position is always open.