Upon being hired, Jeremy is informed by Phone Guy of the details of his new occupation, also learning that the guard before him was moved to the day shift due to the animatronics trying to get into The Office.
Over the course of his shift, Jeremy learns that someone tampered with the animatronics, eventually leading to the restaurant's closing, and that he may be moved to the day shift as the "position just became...available" while the company tries to find someone to cover the night shift.
During Night 6, Phone Guy tells Jeremy that the next day he will work the day shift and is to closely monitor the animatronics during a birthday party. Upon completing the night, Jeremy receives a check for $20.10 for overtime, as well as a newsletter that says the restaurant is closing.
There is not much else to say about Fitzgerald considering he is never seen in-game, but it could be accurate to assume he is very coordinated being able to fend off multiple animatronics for 6 hours straight.
- Jeremy Fitzgerald is speculated to be the victim of the Bite of 87.
- In the "switching to the Day Shift" section in the Survival Logbook, text is present, seeingly from Jeremy: "I'd only been working the night shift for about a week, but I was very relieved to be switched over for the day shift. There's a lot of stress working from 12.a.m to 6.a.m. My boss told me that the animatronics were acting strangely-almost aggressive toward the staff-but I wasn't about to let that scare me off. After work I had a unsettling feeling that I was being followed home ... "
- In the Lorekeeper ending of Freddy Fazbear's Pizzeria Simulator includes the name Jeremy. This has led people to theorize that the grave belong to the Missing Children and Jeremy Fitzgerald is an alias taken on by Michael Afton or Henry as a reference to the child.