MR2Fan

If you think the position is interesting for you and already have some experience, file your application. I think it will be reviewed even without a degree (experience levels a lot). If you never try, you will never know.

OK, that is a very political answer :) - Yes, each has its own strength and weakness.

Can you point out how z/OS and Linux can work together, while they are running beside each other? Does z/OS learn from Linux and the other way around? And don't you think Parallel Sysplex is an outstanding feature compared to Linux with HA solutions, do you? :)