Basically, you can, it is necessary for the employer to send a job offer for you. But before, the employer must prove to the government that in Canada there is no such an expert that is needed in the enterprise, so it is necessary for him to look for a worker in other countries. To prove that he must post job ads in the local and all-Canada territories for three-four months. If the results do not satisfy the employer, then he can legally send you a job offer.