Geekie was selected by the Winnipeg Ice in the 2019 Western Hockey League (WHL) Bantam Draft.

Prior to joining the Ice, he played 18U AAA for the Yellowhead Chiefs, amassing 18 goals and 35 points in 26 games.

[8] Geekie was named to the Lightning's opening night roster for the 2024–25 season,[9] and made his NHL debut on October 11, in a 4–1 win over the Carolina Hurricanes.

[10] On October 22, 2024, Geekie recorded his first career NHL assist and point in an 8–5 Lightning win over the New Jersey Devils at the Prudential Center.

[13] At the 2024 World Junior Championship, just 11 seconds into the final group stage match against Germany, Geekie delivered an illegal check to the head on German defenceman Samuel Schindler.