Job was born in the French city of Lyon and began training with the Olympique Lyonnais youth academy at the age of ten.

[6] After struggling to hold down a regular place in the team, he was sent on loan to French Ligue 1 club FC Metz in December 2001, until the end of the season.

[7] On 30 November 2002, Job cracked his skull in a clash of heads with West Bromwich Albion player Darren Moore and was knocked unconscious on the pitch.

The highlight of his career at Middlesbrough came in the 2004 Football League Cup Final on 29 February 2004 when he scored a second minute goal to help the club to win their first ever major trophy, in a 2–1 win over Bolton Wanderers at the Millennium Stadium, Cardiff, a result which also saw the club qualify for the UEFA Cup.

Middlesbrough went out of the competition in the Round of 32 to Portuguese club, Sporting CP, with Job again scoring in the home leg on 10 March 2005.

Job's struggle to win a first-team place became even more difficult, following the signings of established Premiership strikers Mark Viduka, Jimmy Floyd Hasselbaink and Yakubu.

[13] At the start of the 2009–10 Season, Lierse SK were the major favorites to win the championship in the Belgian second division (EXQI League) but when Job arrived, they were struggling in the deciding moments.

[14] Job was tipped early on to be a future French International player, however he instead accepted a call-up to the Cameroon national team, and made his debut in a 2–0 defeat to England at Wembley Stadium in November 1997.