Pros
For some departments/teams, you get out of works around 5. And for 2 days out of 5 every week you can work from home. For my previous team, we barely have any free time. We are paid slightly higher, but it is definitely not worth how much more effort we have to put into the job. Make sure you ask about the work schedule in your interview.
Cons
Just like any other big companies, it's almost impossible to move up unless you stay there for years. Salary is not great. It's so easy to find somewhere else that pays a lot better. Boring. The job they ask you do is really repetitive and boring. Once KKR took over, the company became worse. KKR didn't change anything besides firing people and getting rid of all the snacks in the kitchen. This is their understanding of "efficiency".