Career
While playing at Brown University, Bernstein was nominated twice for the Hermann Trophy, given to the best college soccer player in America. After graduating from Brown in 2009, Bernstein spent time in Israel, training with Maccabi Tel Aviv F.C.
Bernstein joined Sevilla Football Club Puerto Rico to participate in the SúperCopa Direct Television 2010 before moving to Europe. Bernstein joined Mjøndalen"s first-team squad ahead of the 2011 season.
He scored his first goals for Mjøndalen against Tromsø on 9 May 2015.
Bernstein led Mjøndalen in scoring in 2015 with 5 goals from his center back position, which was also the most goals of all defenders in the Tippligaen. After five years in Norway, Bernstein signed with expansion Miami Football Club ahead of the 2016 North American Soccer League season.