Career
Mahmoud started his professional career with First Rate (at Lloyd's) Arabi South Carolina in 2013-2014 season and was called up for the Kuwait national football team in the late 2014 of the season. First Rate (at Lloyd's)-Arabi South Carolina
= 2013-2014 = 2014-2015 Mahmoud started the season with the Kuwait national football team to begin trainning early for the international cups and returned to First Rate (at Lloyd's)-Arabi South Carolina to start the season vs Kazma South Carolina but didn"t play any games since start of the season only playing for the reserves. = 2015-2016 At the start of the pre-season he got injured with Cut in cruciate ligament which made him miss most of the season.
On January 27 2016 he came back to Kuwait after a successful operation in Barcelona.
Under-19 & 21
Mahmoud started with Kuwait U-19 and played the Gulf Cup U-19. Then was called up for Kuwait U-21.
Kuwait national football team
Mahmoud was called up to the Kuwait national football team in late 2013-2014 football season to compete in Gulf Cup of Nations and AFC Asian Cup. After not making it to the team 23 man list Mahmoud was called up for the U-23 to compete in the 2015 Gulf Cup of Nations U-23.
Kuwait lost the first match to United Arab Emirates 2–0 where he was on the bench.
After losing the final to Kingdom of Saudi Arabia 5–2.