Lawson, 28, spent the 2011-12 campaign with Hamilton of the American Hockey League. In 44 games with the Montreal Canadiens' affiliate, he posted a record of 19-17-4 with a 2.57 goals-against average and a .914 save percentage, recording five shutouts.
Prior to joining the Bulldogs, the Calgary native spent the previous three seasons in the New York Islanders organization, playing primarily with the Islanders' AHL affiliate, the Bridgeport Sound Tigers. He made his NHL debut with the Islanders during the 2010-11 campaign and posted a record of 1-4-2 over 10 games with New York that season.
The 6-foot-2, 190-pound goalie has played in four professional seasons, including 10 NHL games with the Islanders and 127 AHL games with Bridgeport and Hamilton. Undrafted, he played three seasons with the Western Collegiate Athletic Association's University of Alaska-Anchorage Seawolves from 2004-05 to 2006-07.