Jungnickel only made three appearances in his first season with Cottbus – his debut came in March 2003 when he replaced Thomas Reichenberger in a 2–0 win over Schalke 04 – but made 23 appearances, mostly as a substitute, the next year, as the team finished bottom of the league.
Jungnickel played three games during his first season with Cottbus, making his debut in March 2003 when he replaced Thomas Reichenberger in a 2-0 win against Schalke 04. The following year, he made 23 appearances, mostly as a substitute, as the team finished last in the league.