[2] After a playing career as a forward in the lower leagues of German football, Terzić worked as a scout and youth assistant coach at Borussia Dortmund.
[9] Between 2010 and 2013, Terzić worked as a scout and assistant coach in the youth academy of Borussia Dortmund, reporting to first team manager Jürgen Klopp.
[12] His collaboration with Bilić started in 2012, when Terzić drafted and delivered a pre-game opponent analysis for Croatia's group stage match against the Republic of Ireland at Euro 2012.
[15] He took charge of the team along with his colleague Manfred Stefes for the 2018–19 encounter against TSG 1899 Hoffenheim, as head coach Favre missed the match due to illness.
[20] After Rose left by mutual consent at the end of the season, Terzić was reappointed manager on a permanent basis, signing a contract until 2025.
[21] In the 2022–23 Bundesliga, the team lost out on the league title on goal difference to Bayern Munich on the final day, following a shock 2–2 draw at home to Mainz 05.