Pros
The good part of this employer is that he is well known and really huge. Therefore your get some opportunities to switch job inside the company with relative easy. You meet a lot of different people and get insight (depends on your role and job) into many different kind of business fields. I worked there as a Business Analyst for a central system and therefore got in touch with a lot of stakeholders and my personal network growth was kind good.
Cons
The wage was under the regular market price. I guess you get better paid in many other companies. But maybe it was just this job-position that had such a bad wage. Anyway, the management lacks commitment and you rarely get any help or support from them. Furthermore you don't get much time for any education since the work-load is quite high.