Pros
One of the best companies to start a career at. Huge learning curve that will enable you to grow professionally in leaps and bounds over peers in private industry. Good defined promotion track. The Company does a good job of identifying their best people. Limitless networking opportunities and exposure to the best companies in the world.
Cons
The Company leans heavily on their best people, often overloading them. Compensation is lackluster, and there is hardly any differentiation between poor and exceptional performers. Lots of personal time to use, but pretty narrow windows when you are able to actually use it. Work/life balance doesn't exist for anyone below the senior manager level. Huge disparities in hours worked based on client assignments. Learning curve plateaus over time and work becomes redundant.