He was manager of FC Emmen, De Graafschap[1] and he also served as assistant and interim manager of Dutch Eredivisie football club SC Heerenveen, after the dismissal of Trond Sollied during the early weeks of the 2009–10 season.

[2] He was sacked by Heracles on 31 August 2014 after the club lost its first four Eredivisie matches of the 2014-15 season.

[3] On 28 June 2023, De Jonge was appointed head coach of Lebanese Premier League club Safa.

[5] He returned to the Netherlands and was appointed interim head coach of Hoogeveen on 8 April 2024, as the Derde Divisie club fought against relegation.

[7] In July 2024, De Jonge made a surprising move by becoming head coach of ninth-tier Vierde Klasse club Waskemeer.