In February 2010, he moved to Dundalk and, having been deployed as a right-back with the Saints, he reverted to his preferred midfield role at Oriel Park. He was a key figure in Dundalk's rise to the top of the league in the early months of the season. However, Europe took its toll on the side and Maher, and at the end of July he was sidelined with osteitis pubis. That was not before earning the Man of the Match award following an outstanding performance as captain - aged just 22 - against Levski Sofia (Bulgaria) in the second leg of their UEFA Europa League tie. Dundalk had defeated Grevenmacher (Luxembourg) in the opening round.