Junglas joined Alemannia Aachen in 2003 and was promoted to the second squad in 2006. Junglas made a single appearance as a substitute in the Bundesliga in the 2006–07 season for Alemannia Aachen against Arminia Bielefeld.
In 2009, Junglas received a contract for the professional team. Since then he appeared seventy times in the 2. Bundesliga and scored three goals.