2010-11: Nicolas Aube-Kubel played bantam hockey in Sorel-Tracy, PQ.
2011-12: Aube-Kubel skated for Collège Antoine-Girouard Gaulois in Quebec midget AAA hockey. He scored 11 goals with 13 assists and had 36 penalty minutes in 41 regular season games. Collège Antoine-Girouard Gaulois had the Quebec league's best record before falling to Seminaire Saint-Francois in the playoff semifinals. Aube-Kubel scored 7 goals with 9 assists and 12 penalty minutes in 11 playoff games. He was selected by Val-d'Or in the first round (seventh overall) of the 2012 QMJHL Entry Draft.
2012-13: Aube-Kubel joined the QMJHL's Foreurs as a 16-year-old and played for Canada Quebec in the 2013 U17 World Hockey Challenge. He scored 10 goals with 17 assists and was -4 with 26 penalty minutes in 64 regular season games for Val-d'Or and was -2 with 1 goal and 8 penalty minutes in 10 playoff games. Aube-Kubel was Canada Quebec's leading scorer with 4 goals, 4 assists and 2 penalty minutes in six games at the WHC.
2013-14: Aube-Kubel participated in Hockey Canada's U18 camp before returning to Val-d'Or for his second season. Skating on a Foreurs team that was one of the QMJHL's top teams and featured QMJHL leading scorer Anthony Mantha (DET), he scored 19 goals with 23 assists in his first 51 games and was -8 with 51 penalty minutes. Aube-Kubel was ranked 45th amongst North American skaters in Central Scouting's mid-term rankings prior to the 2014 NHL Draft.
With great wheels and a motor that doesn't quit, Aube-Kubel's hard-working and high-energy style of play makes him a versatile addition to any lineup. Whether it is driving the net to create scoring chances or back-checking to prevent them, Aube-Kubel fits the blueprint of a player who can slot into many roles and situations at the next level. With his offensive talents still blossoming, it is hard to say what sort of player he will finally develop into, but he is sure to be the type of player that coaches love.