yeah, at least where i am the cowboy days are long over. we have a modern change control system on the box that ties into our company’s broader service management system, and methodologies like agile are used (and misused) just like in the newer departments. the software and hardware are also constantly being updated by IBM and keeping up with them and other vendors is a full time job all on it’s own- really the only things ancient about it are the oldest parts of our own codebase and the terminal interface. we actually have a product that lets us bypass the terminal now and do everything in eclipse but the old timers don’t use it because the terminal is easier for them and then the newbies don’t use it because any time the oldbies teach them how to do something, it’s on the terminal emulator lmao
i THINK he went through these guys but i’ll double check tomorrow and let you know if i was wrong https://www.franklinapprenticeships.com/
if you have an edu email, IBM also does a “master the mainframe” program every fall that takes you from zero experience to developing a full application, which is a great way to learn the whole stack