Pros
The best reason to work at Raytheon is its benefits and networking opportunities. It'll also give some experience on the defense industry. The systems, matrix organizations, and processes will give you solid background for implementing accountability structures in places devoid of organization.
Cons
You have to be conscious from the start that this is a large company with a variety of selfish and competitive cultures. If you are new to the company, support and mentoring are varied dependent on department. Although there are modern management structures that seem to promote the development and advancement of each employee. It is easy to get stuck. The perception of great performance is more value than meaningful contributions. Be warned of managers solely out to advance themselves. Be prepared to stand up for yourself against old-fashioned bullying, camouflaged betrayal and selfish competitive attitudes especially in northeast manufacturing areas. Traditional advancement is not effective in a company this large one must apply to jobs in lateral opportunities to advance. It is true; you are just a number.