Šikić was born in 1929 in Konjsko (Cognisco) near the coastal town of Karlobag (Carlopago) on today's northern Adriatic coast of Croatia.
A product of Dinamo Zagreb academy, Šikić played for the Blues from 1953 to 1962, appearing in 153 Yugoslav First Federal League matches and scoring three goals.
In 1963, aged 33, Šikić moved abroad, to Austrian second-tier side Wacker Innsbruck, together with his Dinamo teammate Ivan Šantek, then aged 31, in a team which also had the former Austrian international Theodor Wagner and which was managed by Theodor Brinek Sr. With Šikić and Šantek Wacker finished the season in the Regionalliga West undefeated, with 16 wins and 6 draws in 22 matches, securing first place and promotion to the Austrian Bundesliga at the end of the 1963–64 season.
[2] After retiring from active football he worked as manager, first at the now-defunct club SV Rapid Lienz 1971–1972, and then at Austria Salzburg in the 1972–1973 season, finishing 7th in the Austrian championship.
From 1976 to 1979 he was a member of the coaching staff at SSW Innsbruck, during the period when his son, Boris Šikić, played for the club.