Virtually NO training or orientation--you go straight off the diving board into the deep end.
Middle management are perfect demonstrations of The Peter Principle. Technically astute but with no people skills or vision. Unimaginative, bureaucratic, minimal concern about quality, mainly concerned about meeting internal production and timeline targets, which often have no relation to the realities of their internal and external customers; if you challenge these, and ask why, you get very little in the way of answers--possibly because the middle managers don't know and haven't bothered to find out--and something like 'it is what it is'. Great if you're a journeyman drone, lousy if you've got half a brain, frustrating if you're dedicated and loyal and see ways to make a difference.
Coming up with new and better ideas is frustrating, because middle management 'echo chambers' seem to want to do everything themselves, without giving line staff opportunity to participate in these challenges.
Bust your @55 to make things happen, way outside the box, and you'll still get crucified for numbers.
Personnel 'management' is also a mess. Aside from the clunky Workday system, at annual review time all your prior reviews are taken off the system, so you can't refer to them during the process. If you make an effort to keep your manager up to date on your 'status of work', you'll receive NO feedback or direction, but at the end of the year there will be all kinds of things wrong with what you did, even though they demonstrably knew what about it. If 1/3 of your work is delayed because the manager hasn't done the necessary process to enable you to log in and complete it, in spite of multiple requests, that's YOUR fault, not theirs.