Pros
Liberty Mutual likes to hire graduates fresh out of college in order to train someone to Liberty standards without prior habits and opinions formed by other employment experience. It is fairly easy to get hired if you went to a decent university and you will be started out at a great salary and with a pretty good holiday (called "flextime" in the company) accrual rates. This is a good starter job.
Kontras
You will be overworked and micromanaged - micromanaged like you've never been micromanaged before... Promotions are based not on merit, but with your length of time with the company and on how aggressive your manager is in pushing for your promotion (which needs to be approved by upper management). Most talented individuals leave the company after a year or two for better opportunities. And this is where the problem of promotions based on one's length of time with the company become a problem. You see, those who would not be competitive in the global jobs market know that if they just wait around at Liberty Mutual, they will move up the corporate ladder into management positions. As such, there are some truly horrendous mid-level managers at Liberty Mutual - uneducated, uninspiring, lacking the social skills required of a manager, micromanaging, etc.