Pros
As an overall company, Abbott does right by their employees. They will support you when emergencies happen and generally have your back. The vastness of the company allows for a relatively smooth transition between sites, cities, states, countries. The technology is groundbreaking and, from my experience, diversity is valued and represented.
Cons
Abbott gives nearly free reign to their various divisions and the VPs and directors of various departments. If you get stuck with a bad VP or director, your career progression comes to a halt. Those situations are lead to being incredibly overworked while being vastly underpaid, but a blind eye turned to to the expectation of 40 hours/week. I became accustomed to 15 hours/day, with the sometimes off day on weekends, with no additional compensation, no basic appreciation, and no faith that my career would progress. This is very department-based and management-based.