He is on the books of Kjelsas and wears shirt number 16. His main role on the pitch is Defender.

His latest transfer saw him join IF Fløya from Kjelsas via on 2025-07-08.

Across the Norwegian 2.Divisjon 2025, sebastian ottesen appeared in 4 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.