Your process will depend on whether you need to complete the Canadian government's labor market test (known as the "LMIA").
For Canadian immigration purposes the definition of "work" is very broad and is defined as an activity for which wages are paid or commission is earned, or that competes directly with activities of Canadian citizens or permanent residents in the Canadian labor market, no matter the duration of the intended activity. Generally speaking, a Labour Market Impact Assessment (LMIA) is required, indicating that the proposed employment will not adversely affect Canadian workers. In most cases, a job offer from a Canadian employer is required to apply for a Canadian Work Permit. In limited situations, Canadian immigration regulations allow for Open Work Permits, which are not employer-specific. A work permit is always temporary in...