He returned to GP2 for 2008, driving for the Super Nova team in the GP2 Asia Series. In 2009, he competed in the Formula Renault 3.5 Series for Mofaz Racing. After entering the final race in sixth place, Fairuz finished second in the race at the Ciudad del Motor de Aragón and leapfrogged the four drivers above him, to finish as runner-up to Bertrand Baguette in the championship standings.
Fairuz was confirmed as one of Spyker F1's test and reserve drivers for 2007, Fairuz was tipped for a Lotus Racing reserve seat for 2010. On 9 November 2009 Lotus Racing chief technical officer Mike Gascoyne confirmed Fairuz would be the test driver for the team but cooled down talks he was going to get a race seat.
Fairuz was announced as the third driver for Lotus on 13 December 2009.