In 1972, he began working for Caisse des dépôts et consignations, where he improved the operation of the French bond market.[2] In 1992, he joined the Lagardère Group media company.[2] In 1993, he was appointed as managing director of Lagardère where he helped to restructure its Matra aerospace and transportation subsidiary, overseeing several acquisitions, mergers and divestitures. After the mergers of aerospace companies in France, Germany and Spain which formed EADS (now Airbus), Camus was CEO of EADS from 2000 to 2005.[2]
In 2008, he was appointed as chairman of the board of Alcatel-Lucent, a French/American maker of telecommunications equipment.[3] He was then interim CEO from 1 September 2015[4] to 21 June 2016, following the company's agreement to merge with Nokia.
From 1996 to 2001, he served on the French supervisory authority for the financial markets.[2] From 2001 to 2005, he was the President of GIFAS, the French aerospace industries association.[2] He served on the boards of directors of Crédit Agricole (2005 to 2009), Accor (2006 to 2008), and Schlumberger (2007 to 2012).[1] He is a senior advisor at investment bank Evercore Partners.[1]