The degree you might be thinking of is MLS - master of library science. Things have really changed since the days of card catalogs.

One of my very good friends is a MLS. He worked the reference desk as an information specialist for many years. You know, the desk you call for questions on "anything". The internet has really changed how things are reseached these days. If anything, the field has gotten way more complex.
Many MLS work in the private sector managing all sorts of information.

He recent started a new job, setting up the whole new library for a brand new university. How cool is that?