Moskowy has represented Saskatchewan in two Canadian Junior Curling Championships: skipping the province in 2010 and 2011. At the 2010 Canadian Junior Curling Championships, he lost in the semi-final to Ontario's Jake Walker. At the 2011 Canadian Junior Curling Championships, Moskowy finished 12–0 in the round robin advancing to the final. In the final Moskowy beat Ontario's Mathew Camm to finish the week a perfect 13–0. Moskowy became the 5th team in Canadian Junior history to go undefeated. This qualified the Moskowy rink to represent Canada at the 2011 World Junior Curling Championships where the team went on to lose the semi-final as well as the bronze medal game, settling for fourth place.