He is on the books of Finn Harps and wears shirt number 29. His main role on the pitch is Midfield.

His latest transfer saw him join Finn Harps from La Chaux-de-Fonds via on 2026-01-28.

Over 3 appearances in the Ireland First Division 2026, Nathan Lumin contributed 1 goals and 0 assists, completed 0 key passes from 0 total passes, and posted a passing accuracy of -.