When you enter Canada you must notify public health. You need to have the medical surveillance lifted before working in health care. If you are a nurse, I assume you have completed NNAS and are licensed in the province you are moving to. As for jobs, I don’t know.
https://www.canada.ca/content/dam/ircc/migration/ircc/english/resources/tools/medic/physicians/documents/pdf/english.pdf
https://www.canada.ca/content/dam/ircc/migration/ircc/english/resources/tools/medic/physicians/documents/pdf/english.pdf