Pros
Even people who are lazy or dimwitted can still earn decent pay here for very little work in return. If you are lazy or dimwitted it could be the ideal place for you.
Cons
The "bank" is mainly a custodian (yes, like a janitor) for real banks and investment managers. i.e., Their job is to do all the crap back office work the real money managers of the world won't waste their time on, because they are too busy getting rich. BNY doesn't do banking as much as it is does fee based operational work. Their focus is cost containment so they can't provide the fat pay days you can get by working at a real bank. As a result the people that work there are the rejects of Wall Street, people who have the greed but not the talent to work in a real banking job.