Visit the following links to apply for oil rig and oil field jobs in Alberta (NOTE: I am not affiliated with these sites. I only provide them for your benefit to make your job hunt easier) If you like this list of jobs sites, please click the Facebook Like, Twitter, or Google +1 buttons at the bottom of this post. Thanks!
oilcareers.com - this is a job board that you can search. Click on the link for a list of all jobs they have posted in Alberta.
oil-canada.com - they claim to be a job placement helper.
eluta.ca - they are a job board like Monster or Workopolis. This link will show you all oil rig jobs in Alberta they have listed.
jobrapido.com - they are another job board. This link will show you all oil field jobs in Alberta they have listed.
alberta.ca - this is the government of Alberta website that lists Energy, Petroleum and Oil Sands companies that are likely hiring.
simplyhired.ca - this is another job board that lists oil jobs in Alberta.
job-link.ca - this website contains a tonne of links to companies in the oil industry in Alberta.