Career
He played all his career for Russian Premier League club Football Club Lokomotiv Moscow as a central midfielder. He scored on his debut, a 7–0 victory against Taiwan on 23 April 2001. Maminov received 12 caps and scored three goals for the national team between 2001 and 2005.
Lokomotiv Maminov was named as caretaker head coach for Football Club Lokomotiv Moscow on 28 April 2009, he replaced Rashid Rakhimov.
Maminov started his coaching career with a victory over Spartak Nalchik. He became assistant to Yuri Semin when Semin was appointed the new manager.
After Yuri Krasnozhan was fired from manager position in June 2011, Maminov was appointed the caretaker once more. This time he managed the team for about 3 weeks before being replaced by José Couceiro.
Rubin On 10 January 2014, Maminov was appointed assistant manager of Football Club Rubin Kazan.
Khimki On 19 June 2014, Maminov was appointed head coach of Football Club Khimki.