Pros
Great salaries. There is a lot of room for improvement in their IT operations so a you can really make a difference if you work hard.
Cons
Be prepared to live with the threat of being let go at any time. It feels that there is a new reorganization every 3 months! High performers may be let go while non-performers manage to survive. Too many people doing nothing. It is easy for them to hide within the company. This is a company that is buying other companies all the time. There are too many silos and favoritism going on based on which company you originally came from. Not the place to work if you are looking to do innovative work. Working at Pfizer as an IT employee can be really boring. Everchanging strategies. No clearly set strategy and direction.