Santa At College?

You never actually see Santa, only his “assistants”.
Santa keeps his job until he decides to retire.
Santa doesn’t really do the work; he directs a bunch of helpers to do
all his work for him, but he’s the one who everybody credits with the work.
Santa doesn’t work anywhere near a 40 hour week.
Santa travels a lot.

Yup, Santa is obviously a senior faculty member with tenure