 On 11 January 2016 he became an assistant at Heracles after Hendrie Krüzen left the club.On 16 April 2018, it was announced that Alflen would take over as the head coach of Helmond Sport on a two-year contract starting next season.On 8 May 2019, Helmond announced, that they had sacked Alflen after a disappointing season, the worst season in the club's history with only four victories in 38 games.