http://www.cic.gc.ca/english/study/work-opps.html
Post-Graduation Work Permits:
Some graduating students may apply to work in Canada for up to a year after graduation. The following conditions apply:
You must be engaged in full-time studies at a university, community college, CEGEP, publicly funded trade/technical school or at a private institution authorized by provincial statute to confer degrees;
You must have a job offer from an employer for a job that is related to your studies (however, the job offer does NOT require HRDC confirmation);
You must apply for a Work Permit within 90 days of graduation from your college or university;
You must have a valid Study Permit when you apply for the Work Permit.
申请work permit的时候你必须还有valid study permit
申请到后可以工作一年(不是说你毕业后可以在加拿大找工作找一年或者打黑工一年),有些省可以工作两年,具体哪些不太清楚,但记得好像没有nova scotia,我知道的有NB,alberta,manitoba,说scotia的给个出处?
这一年不要hrdc认证,一年后要hrdc comfirmation,好像是要雇主证明你的岗位只有你能做,才给你work permit.