Getting a job overseas is not a child's play. Generally due to skill shortage a country allows foreign workers to work in their industries. Every year all countries publish skill shortage list.
You will find lots of overseas opportunities on net, but a small number will offer work permit. If you are searching for a genuine and authentic resources for work permit, then you can see www.job-quest.net where each and every job carries a valid work permit sponsorship from employer. Check it out