Poldervaart was hired in 1992 as physiotherapist at Excelsior Rotterdam. Next to this function, in 1998 he became player/manager at OHVV. In 2002 he was hired as coach for VV Nieuwenhoorn. After two seasons he moved on to VV Spijkenisse. In 2012 he changed again, this time for VV Zwaluwen. For his achievements at Zwaluwen he received the Rinus Michels Award. From 2015 to 2018 he coached BVV Barendrecht. In 2018 Poldervaart became the manager of Excelsior. He replaced Mitchell van der Gaag who left for NAC Breda. After 26 year Poldervaart stopped working as Excelsior's physiotherapist.
- Adrie Poldervaart nieuwe trainer Excelsior, dagblad010.nl
- ‹See Tfd›(in Dutch)Adrie Poldervaart nieuwe hoofdtrainer van Excelsior SBV Excelsior, 30 May 2018