In 2009 the Poland men's national volleyball team, including Jarosz, won a title of the European Champion. On September 14, 2009 he was awarded Knight's Cross of Polonia Restituta. The Order was conferred on the following day by the Prime Minister of Poland, Donald Tusk. With the Polish team he won three medals in 2011 – silver at the World Cup and two bronzes in the World League and European Championship. He was a gold medalist of World League 2012 in Sofia, Bulgaria.