In 1990, Darcos began her career as a trainee in the Le Quotidien de Paris, then in two political communication agencies (Modus Vivendi and P.O.L.I.S.).
Darcos then returned to the corporate world, as director of institutional relations for the Hachette Livre group from 2009 to 2016 and as member of the Hachette Group's France Executive Committee from 2013.[2] She also served as vice-president of the Digital Commission of the National Union of Publishing.
Political career
In the 2015 departmental elections, Darcos was elected county councilor of Essonne (canton of Gif-sur-Yvette), then member of the permanent commission of the departmental council of Essonne.
Darcos was elected Senator of Essonne during the senatorial elections of 2017, on September 24, 2017. In the Senate, she is a member of the Committee on Culture, Education and Communication.