When getting hired by a company, the last thing you'd imagine to happen would be everyone leaving on your first day. But that's what happened to u/mTbzz, who was hired as a sysadmin. This company was using some pretty obscure software from IBM, so OP was walked through it. He even met the other 2 senior sysadmins and they had a good talk about experiences and the job. The next day OP found out that all three of these people would no longer be working at the company, and he was left with systems…