He is on the books of TSG Balingen and wears shirt number 33. His main role on the pitch is Forward. His stronger foot is Left. His estimated market valuation currently stands at 25K €.

His latest transfer saw him join TSG Balingen from Freiberg via on 2025-01-20.

During the German Regionalliga 2025-2026 campaign, Simon Klostermann made 22 appearances, scoring 2 goals and adding 0 assists. He averaged 0.1 goals per match from 0 shots, with 0 on target.