He currently plays for Dungannon Swifts, wearing the number 5 shirt. He plays primarily as a Defender. His current market value is estimated at 150K €.

His most recent move was a from Glentoran FC to Dungannon Swifts on 2022-08-31.

Throughout the Northern Ireland Premier League 2025-2026, caolan marron featured in 23 matches, averaging 0 tackles, 0 interceptions, and 0 clearances per game, while blocking 0 shots per game.