In 2012, Jager signed for Luxembourgish side Walferdange, where he was regarded as one of the club's most important players. He helped the club achieve promotion. In 2014, he signed for Luxembourgish side FC UNA Strassen, where he was regarded as one of the club's most important players. He played once as goalkeeper for them. In 2019, he signed for Luxembourgish side FC Mamer 32, where he captained the club.