There are not as many opportunities in the M.East for this line of work as there were in the past, and certainly not at the likes of Emirates (although they were recruiting for Experienced people recently)
Antonov Man is correct, the salary is not amazing and the cost of living in DXB makes this an unattractive prospect for anyone who wants to live with their family.
Sergio, there is no global average when it comes to dispatcher salaries. In some countries it is a lousy paid job which is why many flt dispatchers try and get some experience wherever they can and then follow then money to other parts of the world.
The hardest job to find is going to be your first one. One option could be to do the course and try to move internally at your present employer, assuming they have a need for flight dispatchers.
D.O.G