Silverstone-based Aston Martin use Mercedes power units and have a close relationship with the world champions, who have won both titles for the past seven years.
An Aston Martin spokesman said the Frenchman, who has past experience at Ferrari and Red Bull, would be joining next year with a start date to be decided.
The team, owned by Canadian billionaire Lawrence Stroll, have made a number of high-profile signings as they seek to challenge the top teams and become title contenders with an expanded workforce and a new factory under construction.
Red Bull’s aerodynamics head Dan Fallows has already been announced as Aston Martin’s future technical director, but a start date has yet to be decided.
Red Bull boss Christian Horner said in June that Fallows would have to see out his current contract and a move “won’t be within the next couple of years.”
Other already-announced signings include Alfa Romeo’s chief designer Luca Furbatto as engineering director and Red Bull aerodynamicist Andrew Alessi as head of technical operations.
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