Brückner started his career with German third tier side FC St. Pauli, helping them earn promotion to the German second tier and reach the 2005–06 DFB-Pokal semifinals.[1][2] In 2007, he signed for Holstein Kiel in the German fourth tier, helping them earn promotion to the German third tier.[3][4]
In 2010, Brückner returned to former club FC St. Pauli, playing in the Bundesliga, to play for the club's reserves.[5] He was called up to the first team by coach Holger Stanislawski in February 2011 because four full-backs were missing through injury or suspension.[5][6] In 2014, he signed for USC Paloma in the German fifth tier, where he suffered relegation to the German sixth tier.[7][8]