 Most of his rivals were on the official works teams of Honda, Kawasaki or KTM.In 1988, having been crowned World Champion in the 500cc class, Jobe competed in the 125cc World Championship to attempt to win the "Triple Crown" (FIM 125, 250 and 500cc world titles).He was unsuccessful, with countryman Eric Geboers achieving the feat by winning the 500cc World championship in that same year (Geboers having previously won world 125 and 250cc titles).