Selected by the Islanders in the fifth round (126th overall) of the 2008 National Hockey League Draft. Signed an Entry-Level Contract on May 14, 2010. Accepted his qualifying offer, a one-year, two-way contract, on July 8, 2013.
Appeared in a career-high 28 NHL games with the Islanders during his fourth professional season, posting an 11-16-1 record with a 3.29 goals-against average (GAA) and a .891 save percentage (SV%)...Earned Star of the Game honors six times, including three First Star awards...Appeared in nine straight games from Nov. 10-29...Had a five-game winning streak from Dec. 29 - Feb. 12...Loaned to the Bridgeport Sound Tigers of the American Hockey League for the remainder of the season on Mar. 1...Led Bridgeport in GAA (2.65) and SV% (.910) in 15 games.
2012-13: Appeared in five games with the Islanders during his third professional season, posting a 1-3-0 record with a 3.02 GAA and a .893 sv%...Started the season with Bridgeport (American Hockey League), going 15-14-3 in 32 games with a 3.22 GAA and a .904 SV%...Led Bridgeport goalies in games and wins...Went 5-1-0 over his first six starts of the season...Made a career-high 50 saves in a 3-2 shootout loss at Norfolk on Dec. 15...Earned four straight wins, including a 36-save shutout at Connecticut on Dec. 27...Did not have a regulation loss from Nov. 25-Jan. 3 (4-0-2)...Recalled from Bridgeport on Feb. 23...Made his Islanders season debut on Feb. 24 against Carolina...Earned his first win of the season on Apr. 2 vs. Winnipeg. 2011-12: Led Bridgeport goalies in wins (26) and games played (49) during his second professional season in the AHL...Recorded a 2.79 GAA and a .912 SV% with Bridgeport...Also appeared in six NHL games with the Islanders, posting a 2-4-0 record with a 3.04 GAA and a .907 SV%...Recalled from Bridgeport on Dec. 15 and made his NHL season debut vs. Dallas...Returned to Bridgeport on Dec. 16...With Bridgeport, recorded three-straight shutouts to open the 2012 calendar year from Jan. 2-7. Posted the second-longest shutout streak in AHL history, dating from Dec. 31 - Jan 8 (221:54). The AHL record was 249:51, set by Johnny Bower in 1957. Poulin’s streak became the third longest in AHL history when Barry Brust broke Bower’s record in the 2012-13 season (268:17)...Earned AHL Goaltender of the Week honors for Jan. 2-8 and AHL Goaltender of the Month honors for January...Recalled from Bridgeport on Jan. 9 and was returned after one start on Jan. 16...Recalled from Bridgeport on Jan. 30 and earned his first win of the season on Jan. 31 at Carolina, before returning on Feb. 1...Recalled from Bridgeport on Feb. 17 and earned his second win of the season on Feb. 18 vs. Carolina...Earned his first career NHL assist on Feb. 21 at Buffalo...Returned to Bridgeport on Feb. 23...With Bridgeport, recorded seven-straight wins from Mar. 25 - Apr. 6 and finished the season with wins in nine of his last 10 starts. 2010-11: Began his first professional season with Bridgeport, leading the team in GAA (2.19) and SV% (.932) while posting a 10-5-0-0 record in 15 games...Was called up to the Islanders in January and recorded a 4-2-1 record in 10 appearances (seven starts), posting a 2.44 GAA with a .924 SV...With Bridgeport, earned his first pro win with 31 saves on Oct. 17 vs. Portland...Made 43 saves on Nov. 19 at Providence...Recorded his first shutout on Nov. 21 vs. Portland...Made a career-high 45 saves on Jan. 28 at Worcester...Received his first career NHL call-up on Jan. 4…Made his NHL debut, stopping all 19 shots in 53:43 of relief action at Edmonton on Jan. 6...Earned a win in his first NHL start on Jan. 8 at Colorado...Stopped 48-of-51 shots in a shootout loss on Jan. 11 vs. Vancouver…Returned to Bridgeport on Jan. 26...Recalled from Bridgeport on Jan. 31...Allowed just one goal in consecutive games on Jan. 25 and Feb. 1...Recorded two straight wins on Feb. 1 at Atlanta and Feb. 5 vs. Ottawa...Suffered a season-ending left knee injury during pregame warmups on Feb. 8.
2013: Made his Stanley Cup Playoffs debut, making relief appearances in Game 1 and Game 5 of the Islanders’ Eastern Conference Quarterfinals against Pittsburgh.
Represented Canada at the 2007 Ivan Hlinka Memorial Tournament.
2009-10: Posted junior career bests in games played (54), shutouts (7), GAA (2.63), SV% (.916) and wins (35) in his fourth season with the Victoriaville Tigres (Quebec Major Junior Hockey League)...Holds the Victoriaville record for most career wins by a goaltender with 81...Named a second-team QMJHL All-Star...Named the Defensive Player of the Week (2 GP, 2-0, 2.00 GAA, .949 SV%, 78 shots) for the week ending Feb. 7...Named the Defensive Player of the Month (9 GP, 8-1, 2.40 GAA, .914 SV%) for November. 2008-09: Went 18-16-3 with a 3.17 GAA and a .905 SV% in 39 games during his third QMJHL season with Victoriaville...Named the Defensive Player of the Week (2 GP, 1-1, 1.53 GAA, .961 SV%, 76 shots) for the week ending Dec. 21...Played in the 2008 CHL Top Prospects Game...Signed an Amateur Tryout Contract with the Bridgeport Sound Tigers on Mar. 31. 2007-08: Posted a 3.69 GAA with a .885 SV% over 52 games with Victoriaville...Participated in the 2008 CHL Top Prospects Game. 2006-07: Made his QMJHL debut with Victoriaville, going 10-6-0 in 24 games with a 3.34 GAA and a .896 SV%...Named the Defensive Player of the Week (2 GP, 2-0, 1.12 GAA, .969 SV%) for the week ending Dec. 12.