A job to have, but not to have until retirement - Senior Scientist PPD Employee Review

I think it depends on which department you work in since experiences seem to vary quite a bit. Cell lab sometimes has high turnover rate, due in part to lack of work-life balance and people getting burnt out. There was significant turnover (>40%) across the board for analysts up to senior management in a recent year. If you like to make work the center of your life, you'll probably do well and get promoted. But, it is often expected if you are on salary that you will work over 40 hours on a regular basis. Management might not outright say that, but if you actually want to get done everything that you're responsible for, it often ends up being some long days.