Pros
Larger-than-life products and services; dominant market share; company size allows for opportunities to move (from job to job, or even re-locate) and grow; lots of training and career development tools; high-value stocks (and they keep going up!), excellent 401K plan with up to 4% company match and Voya tools; depending on the location you may have every other Friday off (or even every Friday off!), depending on the job telecommuting is also allowed; healthcare plan and other benefits (education assistance, proactive health tools/programs, fitness center, relocation packages, community outreach/volunteering opportunities) are very competitive; inspiring mission and vision related to innovation, customer satisfaction, high-end technology, science, engineering, space exploration, aeronautics, projects to solve world problems such as renewable energy and water purification, crime investigation, national security and defense; main customers are DOD and allies; excellent company values (Do What's Right, Respect Others, Perform With Excellence) are genuinely followed, reputation is unparalleled; executive leadership is very communicative, efficient, respected and respectful, worth following and learning from; company is expanding sales to the commercial market/slowly becoming less dependent on military sales; job security is high (unless your performance is terrible for several years).
Cons
Salaries could be better; education assistance used to be better; aging workforce/first line leadership tends to resist change and millennial culture; it is hard to get promoted on the same role/easiest way to move up is to move around; no performance-based bonuses unless you're at the Director level; and no windows in many of the buildings...