After the departure of Dragan Ćirić to Barcelona in the summer of 1997, Tomić became the club's captain, aged 21, leading the team to the national cup success in the 1997–98 campaign.

[2][3] After failing to help them avoid relegation from La Liga, Tomić became a free agent after his contract with Roma expired.

[4][5] He helped the club win the national championship title in his comeback season, as well as to reach the 2004–05 UEFA Cup round of 16.

Tomić made his senior international debut for FR Yugoslavia on 25 February 1998, coming on as a substitute for Nenad Grozdić in a 1–3 away loss to Argentina.

Immediately after ending his playing career, Tomić became the director of football at Partizan, replacing Nenad Bjeković after almost two decades in charge.

[7] He was responsible for the signings of such players as Juca, Lamine Diarra and Almami Moreira, leading to the club's long-term dominance in the country.