Career
SønderjyskE
At the age of 19, Simonsen was moved to the first team squad in January 2015. He also signed a new 3-year contract with SønderjyskE in January 2015, who was seen as a big talent. Simonsen got his debut for SønderjyskE on 27 July 2014.
Simonsen started on the bench, but replaced Silas Songani in the 74nd minute in a 1-1 draw against Esbjerg fB in the Danish Superliga.
On 18 September 2015, Simonsen scored his first official goal for Sønderjyske, where he became the matchwinner. He came on the pitch in the 75nd minute replacing Andreas Oggesen, and scores to the final result 2-1 in the 86nd minute.
