i know a system that runs cobol.

but there are like 4 or 5 other systems on top of it, some of them use XML, some html, some asp, some java, some vba, some c#.

i dont really understand the concept of a "x language job". like jobs tend to need people to learn systems and domain language, and be problem solvers, and communicators, coordinators, testers, the actual computer language is kind of irrelevant. like i cannot fathom there is a job out there where someone just hacks cobol all day and thats all they do.