[1] In 2008, he was appointed technical director of a Belgian field hockey club[2] after working as youth coach of the Aspire Academy in Qatar.
In 2010, De Wilde was appointed manager of Chinese third division outfit Tianjin Tianhai after working as assistant manager o Beveren in the Belgian top flight, where he underwent brain tumor removal surgery[3] and helped them achieve promotion to the Chinese second division.
In 2011, he was appointed youth coach of Red Bull Salzburg, one of Austria's most successful clubs.
In 2012, De Wilde was appointed manager of Liefering in the Austrian lower leagues, before working as a scout of Red Bull Salzburg.
In 2019, he was appointed technical director of Lithuania after working as assistant manager of Iranian team Tractor.