Well the way I look at is ok an Engineer is a Uni garduate, you cant get your Licensce by going to Uni and the course time is about the same if not longer and at the end you get your ticket which is to degree level so I'd say a Licensced guy is an Engineer and if you look at the CAA issued document I think you'll find it Says AMEL, Aircraft Maintenance ENGINEERS Licensce.
But as someone has said already who cares what your called your'e only doing it to make ends meet.
Regards NST