Mac-Intosch spent 12 years at the Academy at Ajax and carried the club logo on the pitch during the 1998 UEFA Champions League final at the Amsterdam Arena. However he struggled with injuries and never featured in a first-team game. He joined Haarlem in June 2009, having been released by Ajax. He made his first team debut for Haarlem against SC Veendam at Haarlem Stadion on 7 August 2009. He scored his first goal for the club 17 days later against AGOVV Apeldoorn. On 30 October, he was sent off against FC Eindhoven. On 13 December, he received the second red card of his career against FC Volendam at the Kras Stadion. He made a total of 22 Eerste Divisie (second tier) appearances for Haarlem before the club were made bankrupt and dissolved midway through the 2009–10 season. He quickly found a new club, ending the season with Telstar. He featured 13 times for Telstar, and received the third red card of his season in a 1–0 defeat to PEC Zwolle at the IJsseldelta Stadion on 12 February. Telstar ended the season in 18th place, finishing ahead of relegated FC Oss on goal difference.