Vratislav began to play hockey in the junior team of Liberec. Then he was transferred to Sparta Prague Club, after which he was included into the U16 – U18 national team. Vratislav started to play pro hockey as a player of HC Dukla Jihlava, and he has got broad experience as a pro goaltender in the first and second league.
His active career as a coach started in 2009, when he was an assistant goalie coach and assistant organizer of private camps. At present, Vratislav Vajner is in his third season in the Czech Ice Hockey Association.
Vratislav is an English-speaking on-ice and off-ice coach.