Filion began playing youth soccer at age 10 in a house league in Rockland, Ontario.
[2] Filion attended the Université de Montréal, where he played for the men's soccer team.
[4] In 2021, he played with Ottawa South United in the Première ligue de soccer du Québec.
[5][4] In February 2025, he signed a short-term contract with Forge ahead of the CONCACAF Champions Cup matches.
[6] On February 5, 2025, he made his professional debut in a substitute appearance against Mexican club Monterrey.