Career
Early career
Mahmoud began with the First Rate (at Lloyd's)-Ittihad Aleppo youth squad before he moved with his family to Qatar. El-Jaish
Mardanli helped the team with the promotion by scoring many goals in the 2010-2011 season, despite that he never became a regular after the promotion. Umm Salal
On January 17, 2013 he joined Umm Salal on loan until the end of the season.