Pros
Good benefits. Recent stock increase is major benefit to those that have been there for a while. Decent pay. Overall really talented group of people working there. Huge benefit if you are a scientist as this is one of the top Biotechs in the industry. Overall the drugs the company makes have a huge benefit to the patients that take them. That is the best motivator is that the company's product has a positive impact in the lives of many people with MS and other debilitating diseases.
Cons
IT went through massive layoffs and then we were all expected to do the same jobs, fill in all of the gaps and get paid the same. Overall not a very effective approach, except to the bottom line, which is what the overall focus is and will continue to be. Also if you are not best buddies with upper management your chance for promotion is extremely limited in your area. Promotion, at least in IT, was rarely merit based.