Annoying machismo among the overwhelmingly male tech support staff; a great deal of sexism in the workplace that I noticed even as a guy. Also lots of talking bad about co-workers behind their backs, and lots of drama.
The company is owned by Comcast, so procedural HR stuff in general is cumbersome, filled with red tape, and we had to use the same terrible employee portal as the rest of Comcast, which was even less functional for us, as we were a part of Comcast but not really.