Vernon-Evans first joined the national team volleyball program in 2016 with the Canada men's junior national volleyball team. With the junior national team, he helped them to a bronze medal finish at the 2016 Men's Junior NORCECA Volleyball Championship and the 2017 Men's Junior Pan-American Volleyball Cup. In May 2017, he was announced to be a member of the Senior National Team's roster for the 2017 FIVB Volleyball World League. He helped the team to a team best finish of 3rd place in World League. Few months later Vernon-Evans was named the Best Opposite Spiker at the 2017 Norceca Championship, helping the team win bronze along the way. In June 2021, Vernon-Evans was named to Canada's 2020 Olympic team.