He currently plays for Al-Riffa, wearing the number 40 shirt. He plays primarily as a Goalkeeper. He stands at 180cm tall and weighs 80kg.

His most recent move was a from Najma Manama to Al-Shabab Club (Bahrain) on 2025-07-14.

In the AFC Cup 2023-2024, Mahmood Al Ajmi played 8 matches, averaging 0 interceptions, 0 tackles, and 0.3 clearances per game.