What are the job opportunities like in Brazil for ESL teachers?

I have just finished a teach international TESOL course in Sydney, Australia, and am hoping to work in Brazil. I dont hold a university degree and this will be my first teaching job. I have read that most jobs aren't advertised and my best chance is to look for work once I arrive. What are my chances of finding stable employment when I get there and how long will it take? I know theres alot of questions, but I dont want to spend money on airfare only to find out that no one will hire me. Any tips or advice would be greatly appreciated.