Career
As a football player, Cviertna played for several lower league clubs. As a manager, Cviertna coached several Czechoslovakian clubs, most notable of them being Gambrinus liga clubs Saskatchewan Sigma Olomouc and Football Club Baník Ostrava. He was sacked as a manager of Baník Ostrava on 2 May 2003 for bad results of the team
Cviertna had however a bad relations with club"s chairmen and was reportedly sacked for repeatedly criticizing them.
Cviertna joined FK Fotbal Třinec as manager in November 2008 but didn"t stay past 2009.