Competitive

Nimenko began learning to skate in 1987.^[1] Starting in 1998, he competed internationally for Russia with Milica Brozović from Yugoslavia.

Brozović/Nimenko received the bronze medal at the 1998 Nebelhorn Trophy in late August.^[2] Competing in the 1998–1999 ISU Junior Grand Prix series, they won gold in September in Mexico City, Mexico, and took silver the following month in Beijing, China. They finished fifth at the 1999 World Junior Championships, held in late November in Zagreb, Croatia; and fourth at the Junior Grand Prix Final, which took place in March in Detroit, Michigan, United States.

Competing in the 1999–2000 ISU Junior Grand Prix series, Brozović/Nimenko won silver at a September event in Zagreb and bronze at their October assignment in The Hague, Netherlands. At the 2000 Russian Championships, they finished fifth competing in the senior ranks and then took bronze at the junior event. In March, they placed seventh at the 2000 World Junior Championships in Oberstdorf, Germany.

In October 2000, Brozović/Nimenko placed fourth at the 1999–2000 ISU Junior Grand Prix in Ostrava, Czech Republic. It was their final international together. Nina Mozer coached the pair in Moscow.^[1][3]

Post-competitive

Nimenko became a skating coach in New Jersey.^[4][5] He has coached:

• Arina Cherniavskaia / Evgeni Krasnopolski^[6]
• Paige Conners / Evgeni Krasnopolski^[7]
• Anastasia Kononenko^[8]
• Hailey Esther Kops / Artem Tsoglin^[9]
• Adel Tankova / Evgeni Krasnopolski^[10]