He is the former head coach of Gornyak Rudny, Barys Astana, Kazakhmys Satpaev and Kazzinc-Torpedo.

Sergei Mogilnikov played the most of his career years for Torpedo Ust-Kamenogorsk and stayed there until 1988.

He has competed at the IIHF World Championship Division II with Team Kazakhstan in 1993.

In 1998 Winter Olympics, he was an assistant of Boris Alexandrov at the Team Kazakhstan's coaching staff.

In 2002, he promoted Kazakhstan U18 National Team to World Championships[1] elite division.