Pros
For someone entering the field of data center critical facilities it is a great place to learn how the field operates. You will be able to see many different type of facilities each unique with how they operate. Very good learning opportunities that is built into the career progression. Cross over to other departments and fields are very possible.
Cons
High turn over either by people leaving the company or getting promoted upwards and outwards. This causes gaps in necessary knowledge and skills depending on who leaves. Yearly pay increases are a competition for the top performing spots only the top few will receive a large pay increase, if you are a middle performer prepare to just keeping up with inflation. Benefits are okay at the greatest. 401K could be better.