He re-signed with the academy team the following season.[7] Beaulieu would receive the starting goalkeeper position as teammate Maxime Crépeau missed the majority of the season due to an injury.[8] He would assist the club in securing another playoff berth by finishing second in the division.[9] Their opponents in the preliminary round of the postseason were Toronto FC's academy where Montreal successfully advanced to the next round.[10] In the next round, Montreal defeated the York Region Shooters to secure a spot in the championship final.[11] Beaulieu would appear in the championship final match where the Impact was defeated by Toronto Croatia.[12][13] Throughout the 2012 campaign, he recorded 11 clean sheets and was named the club's MVP and Defensive Player of the Year.[12] He was also nominated for the league's top goalkeeper award.[14]
On 9 January 2018, Beaulieu returned to Montreal Impact, then playing in Major League Soccer.[17] Ahead of the 2019 season, Beaulieu was slated to go on loan to USL Championship side Ottawa Fury but suffered a knee injury requiring surgery in January 2019.[18] After missing six months while recovering from surgery, he was finally loaned to Ottawa Fury on 18 July 2019.[19][20]
Beaulieu's contract option was declined by the Impact at the end of the 2019 season.[18]
HFX Wanderers
On 5 February 2020, Beaulieu signed with Canadian Premier League side HFX Wanderers.[2] He made his debut for HFX on August 15 against Pacific FC.[21] On 3 November 2020, the club announced that Beaulieu had retired in order to pursue a career in engineering.[22]