كتب : وكالات
Omar will be paid a monthly salary of $6.000 and he will arrive in Sudan to take over his new job after the weekend.
The former Ittihad Alexandria boss had an unsuccessful spell this season in Bahraini club Busaiteen, collecting just 13 points in 13 games.
He succeeds counterpart Mahmoud Saad who guided Merrikh to win the Sudanese Cup last season.