Having worked there only a few years back, I can guarantee there was still a very large amount of mainframe activity - all the change management at the time was

Having worked there only a few years back, I can guarantee there was still a very large amount of mainframe activity - all the change management at the time was still done on an IBM mainframe. I personally worked on a project there that involved building new virtualization platforms for not only x86/x86_64 Intel, but also AIX (Power) and Solaris (SPARC).