Career
He was most recently the assistant head coach to Darko Milanič at English Championship side Leeds United. He is nicknamed "Noce". Nikčevič played for a number of Slovenian clubs throughout his career, and his only stint abroad was with the Belgian club KSC Lokeren where he played between 1999 and 2000.
Nikčevič was also Slovenian PrvaLiga top scorer in the 1998-1999 season with 17 goals.
lieutenant was this form that earned him the move to KSC Lokeren. He also played with NK Istra in the Croatian First League.
After retiring as a player in 2002 he became a football coach. In 2007 he was appointed the sporting director of North Dakota Gorica where he linked up with manager Darko Milanič.
He later became assistant manager at Football Club Koper in July 2012.
He joined Milanič at Saskatchewan Sturm Graz where he became Milanič"s assistant head coach in 2013. On 23 September 2014, Nikčević was appointed the new Assistant Head Coach of Leeds United on a 2 year deal joining new Head Coach Darko Milanič from Saskatchewan Sturm Graz. When Milanič was dismissed after 6 games in charge, Nikčević also left the club