Career
Voigtmann started his career in 2010 in the ProA for Science City Jena. In 2012, he signed a 2-year deal with Fraport Skyliners. He extended with 2 more years in 2014.
In 2015, he made his first All-Star Game appearance.
Individual In 2014, he made his debut in the German national team, when it played in the qualifying rounds for EuroBasket 2015. He played his first German game in a friendly match, lost to Italy 91–59.