In most cases, in order to work in Canada foreign nationals must first obtain a work permit.

In most cases, in order to work in Canada foreign nationals must first obtain a work permit.
This authorization may be “open” or “closed” depending on the type of permit. In addition, some foreign nationals must apply for an entry visa prior to coming to Canada.
In order to obtain work permit in Canada, you must usually have pre-arranged employment from an employer authorized to hire you. If you are accompanying a spouse or common-law partner to Canada you may be eligible for a spousal work permit.

Spousal Open Work Permits.

Spouses and common-law partners of foreign nationals authorized to work in Canada in certain managerial, executive or professional highly skilled occupations may be eligible for spousal work permits.

These work permit applications may be made alongside the principal application for a work permit.
In some cases, your spouse or common-law partner may be able to apply for an open work permit – allowing him or her to accept any job with any employer. In others, your spouse or common-law partner must apply for a work permit for a specific employer. The employer may have to get a Labour Market Impact Assessment (LMIA). An LMIA allows an employer to hire someone for a specific job.

Post-Graduate Work Permit.

Some Graduates of Canadian post-secondary institutions are eligible for a one-time Post-Graduation Work Permit after completing their studies.

These open work permits grant work authorization to graduates of eligible Designated Learning Institutions, allowing them to gain valuable Canadian work experience that may be used as part of a future application for Permanent Residency.
A work permit under the Post-Graduation Work Permit Program (PGWPP ) may be issued for up to a maximum of three years. The duration of the work permit is tied to the duration of studies. The program of studies must be a minimum of eight months in length in order to benefit from this work permit category.. Post-Graduation Work Permits must be obtained within a specific time-frame after completing the requirements of the academic program.

International Experience Canada.

Young foreign nationals from over 30 countries are eligible to work and travel in Canada through the International Experience Canada program.

An eTA is valid for up to 5 years or up to the expiry of the holder’s passport if valid for less than 5 years.
Canadian citizens, including dual citizens and Canadian Permanent Residents, are not permitted to apply for an eTA. People who have an expired PR card or one that is expiring within 9 months, should apply for a new PR card as soon as possible to avoid issues with travel plans.