 Iliev earned two caps for Serbia and Montenegro, making his international debut as a substitute for Goran Trobok in a 0–1 friendly loss at Germany on 30 April 2003.He scored a goal in his second appearance, a 3–4 friendly loss against Poland on 16 November 2003.On 27 October 2015, on his 36th birthday, Iliev was appointed as sporting director of Partizan.