Qatar jobs depend on the the following factors (specially big ones QP, Qtel Qgas.. etc... believe or not)

1. PASSPORT- what passport you are holding is one of the determining factors

2. Do you have influence, reference inside or not?

3. experience and qualification goes not matters here in Qatar

and few others... factors... so don't be sad.... be happy world is bigger than Doha and there are lots of better and bigger places than Doha...