He currently plays for IR Reykjavik, wearing the number 25 shirt. He plays primarily as a Defender. His current market value is estimated at 25K €.

His most recent move was a Free from KR Reykjavik to IR Reykjavik on 2026-02-05.

Throughout the Iceland 1. Deild Karla 2025, jon sigurdsson arnar featured in 12 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.