Hoppenot was selected by the Philadelphia Union in the 2012 MLS Supplemental Draft. Later that year, he debuted in a 1-0 victory against the Columbus Crew. Hoppenot made 69 appearances and scored seven goals for the club.  During Hoppenot’s tenure with the Union, he was loaned on various occasions to the USL’s Harrisburg City Islanders. He made 25 appearances and scored 6 goals with the Islanders. Hoppenot most recently played for USL’s FC Cincinnati in the club’s inaugural season.