He currently plays for Ittihad Riadi Tanger, wearing the number 13 shirt. He plays primarily as a Defender. His current market value is estimated at 275K €.

His most recent move was a from Ittihad Tanger B to Ittihad Riadi Tanger on 2020-11-01.

Throughout the The Botola Pro 2025-2026, Oussama Al Aiz featured in 7 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.