 He started his playing career at AB Argir and made his first-team debut as a 16-year-old on 18 March 2006 in the cup match against FS Vágar, which AB won 2-1.During the whole season, Poulsen made 20 appearances and scored 4 goals, the first in the 2-3 loss against FS Vágar on 14 May 2006.AB Argir finished second in 1. deild and were promoted to the Formuladeildin.