As a U.S. citizen looking to work in Canada, you typically need a work permit to legally work in the country. There are several types of work permits available depending on the nature and duration of your employment in Canada: 1., To be authorized to work lawfully in Canada, you must have a work permit (or work visa). This is a document issued by the Canadian government that allows foreign nationals to work legally in Canada for a specific period of time., Canadian citizens and permanent residents of Canada don't require a work permit or visa to work in Canada, regardless of their country of residence. Foreign nationals looking to work in or visit Canada may need to get a work permit, a visitor visa or both to enter Canada., U.S. citizens can work in Canada under various programs, including the Canada-United States-Mexico Agreement (CUSMA), which facilitates temporary entry for professionals, investors, traders, and intra-company transferees without requiring a Labour Market Impact Assessment (LMIA)., Without a valid work permit, foreign workers cannot legally take up employment in Canada, even if they have a job offer. Immigration, Refugees, and Citizenship Canada (IRCC) oversees the authorization process, and its rules vary based on an individual’s nationality, type of employment, and employer., If you are not a Canadian citizen or permanent resident, you need a work permit to work legally in Canada. In general, you need to apply for a work permit from Immigration, Refugees and Citizenship Canada (IRCC) or a Canadian visa office before you come to Canada..