He is on the books of Wexford and wears shirt number 10. At international level, he features for Ireland U17. His main role on the pitch is Defender.

His latest transfer saw him join Wexford from Wexford FC Academy via on 2023-01-01.

Across the Ireland First Division 2026, kaylem harnett appeared in 3 matches and averaged 0 tackles, 0 interceptions, 0 clearances, and 0 blocked shots per game.