As everything comes with it’s exception the same applies here as though work permit is required to work in canada but still their are some jobs and occupation available in canada which allows the natives or foreign nationals to work here without any need of a valid work permit.
But the indiviual must possess a valid temporary resident visa or electronic travel authorization in order get a clear crystal entry in canada they may also have to the company letter or other documents supporting the geniune reason behind their visit to canada (work).
Following are the occupation that comes under this category:-