Dubois was drafted by the
Ottawa Redblacks in the second round with the 13th overall pick in the
2018 CFL draft and signed with the team on May 16, 2018. He made the active roster following training camp and played in his first professional game on June 21, 2018, against the
Saskatchewan Roughriders. He later made his first career catch on
August 31, 2018 against the
Montreal Alouettes. In total, he played in 17 regular season games and recorded three receptions for 11 yards. He also played in his first
Grey Cup game that year, but the Redblacks lost to the
Calgary Stampeders in the
2018 championship. In the shortened
2021 season, Dubois played in 13 regular season games where he had two receptions for 29 yards and four special teams tackles. Dubois played in all 18 regular season games in
2022 where he had four receptions for 70 yards and a career-high nine special teams tackles. In
2023, he had five receptions for 94 yards and scored his first career touchdown. ==References==