Born in Saint-Imier, Jeandupeux began playing football for FC La Chaux-de-Fonds.

[2] Jeandupeux signed with French side FC Girondins de Bordeaux in 1975.

[2] Jeandupeux made 35 appearances and scored two goals for the Switzerland national football team from 1969 to 1977.

[1] Jeandupeux last managed Ligue 1 Le Mans UC72, replacing Yves Bertucci in February 2009.

[4] Jeandupeux has also had spells managing other French sides — SM Caen, Toulouse, and RC Strasbourg.