He started his career in 1994 with karting and in 2002 participated in the Formula Renault Brazilian Championship, which he won. In 2006 he participated in the Spanish Formula Three Championship. Jimenez drove five races for Racing Engineering in the 2007 GP2 Series season before being dropped in favor of Ernesto Viso after the 2007 Monaco Grand Prix. He drove also for A1 Team Brazil in the 2007-08 A1 Grand Prix season.