 At Cosworth, he firstly worked as Head of the Ford-Cosworth World Rally Championship programme and then as Head of F1 Development.In 2005, at the age of 34, Hitzinger was one of the youngest chief engineers in F1.Under Hitzinger’s leadership, in 2006, Cosworth F1 team developed the first ever F1 engine (Cosworth CA, 2.4 Litre, V8 ) to attain 20,000 rpm at the track, despite the difficult circumstances (under budget and small number of staff).