Nadine Leclair began her career at Sligos as a research engineer before joining Renault in 1984 as a CAD engineer. Her first experience in bodywork engineering was on the Safrane project in 1989, then on the Mégane 1 project.
She was appointed Manager of Body-in-white Engineering in 1999, a position she held until 2005, when she became Technical Manager for the Mégane Range. She was appointed in 2008 Vice President, Vehicle Engineering. She became Senior Vice President, Engineering Project on 1 June 2013.
Since 1 April 2015, Nadine Leclair has been Senior Vice President, Expert Fellow. She is a member of the Renault Management Committee since 2008 and reports to Alliance Engineering.