Thanks guys.
With respect to the hour building. The internship will consist of a ful ATP FAA and training to FAA CFI. At which point the 1000 hours will be spent as a paid instructor. The time taken is 24 months
The issuance of a J-1 visa is necessary and the company is approved. So a visit to the american embassy should sort that out.
As for the moving back home and converting. i'm not sure about that part yet.