Define fast pace and define high expectation.

RP has high turnover, SP has pretty low. The rest fall in between. But overall you won't get in without knowing people. Once you get in then moving around inside the system is easier.

Teaching is only 50%, as a full timer you will spend time doing strange things for the profile of the school. This is happening at all the poly and all the uni.

If you just want to teach, be adjunct lecturer. Adjunct lecturer all the more you need to network.