He is on the books of Ittihad Riadi Tanger and wears shirt number 13. His main role on the pitch is Defender. His estimated market valuation currently stands at 275K €.

His latest transfer saw him join Ittihad Riadi Tanger from Ittihad Tanger B via on 2020-11-01.

Across the The Botola Pro 2025-2026, Oussama Al Aiz appeared in 7 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.