He started the 2006–07 season with Wuppertaler SV in Germany in the Regionalliga Nord. During the January 2007 transfer window, Siberie moved to Malta and joined Valletta, scoring four goals in his first match against Marsa (6–1) on 3 February 2007.
He began playing for Wuppertaler SV in Germany's Regionalliga Nord during the 2006–07 season. In January 2007, he transferred to Malta and joined Valletta, scoring four goals in his first match against Marsa on February 3, 2007.