You can work 20 hours per week off campus\
https://www.canada.ca/en/immigration-refugees-citizenship/services/study-canada/work/work-off-campus.html
During regular school terms/semesters
You can work up to 20 hours per week. You can work more than 1 job to make up these hours as long as you continue to meet the conditions of your study permit.
During scheduled breaks in the school year
You can work full-time if you’re on a scheduled break, such as winter and summer holidays, or a fall or spring reading week. You’re free to work overtime or work 2 part-time jobs that add up to a higher than usual number of hours.
You must be a full-time student both before and after the break to work full-time.
You can’t work during a break that comes before you start your very first school semester.