There's a contest open to students, but anyone can sign up to use these resources.
The response from the service owners was that they weren’t going to switch to a new, unproven methodology. In this case the “new” thing was around since like 1989 (this happened circa 2003). They still use whatever they were using today.
As a new hire, you’re screwed. Anyone getting into mainframes is insane.
I miss working with it and would like to buy one for my home lab, but the licensing is a killer. I find used ones on the market, but they usually don't include the license keys or media, and without a support contract can't get them.
I really wish IBM had a hobbyist program. I wouldn't expect it be free, but I wouldn't mind paying a small yearly fee.