Pros
Stable work, little fear of layoff's Lots of smart people You can learn a lot if you want to and you make people teach you Safety is carefully monitored for employee protection Benefits are decent
Cons
Management never delivers on promises Don't plan on ever getting a worthwhile raise Advancement for most is non-existent They don't value their employees Executive management is worse than local management Difficult to get other people to share knowledge Most managers lie, cheat, and whatever their way to the top There are vendettas against certain staff until they quit or do something bad enough to get fired Management will set you up to fail Management will give bad advice and end you chance for advancement Staff below most senior managers and executives are severely underpaid