To qualify through the Canadian Experience Class immigration program, you first need to accumulate 2 years of skilled work experience in Canada. Assuming the job you have been hired for is classified as skilled, then once you have completed two years of full time work, you will qualify to apply for PR.
See:
http://www.cic.gc.ca/english/immigrate/cec/index.asp
You can also explore Canada's other immigration streams here to see if you might qualify for one of those:
http://www.cic.gc.ca/english/immigrate/index.asp