Pros: good pay
Cons: craft work is mostly robotic and repetitive. management is hard to advance.
AT&T (formely BellSouth) started out as "a great place to work". However, over time, like many other companies, their focus has changed to "only" the bottom line. for the most part, advancement is all about being in the right place at the right time and depending on the organization, your work hours could totally overlap and overtake your personal life.