If you want to work at BYU, abstaining from coffee is a condition of employment. This goes for even for people who are not members of its sponsoring church. Just a few years ago, BYU almost lost its ROTC program because a non-LDS colonel didn't want to abide by the university's code [1].

[1] https://www.airforcetimes.com/news/your-air-force/2017/08/29....