Assistant de Direction F/H - CDD 5 mois

Assist administrative directors of the Operations Directorate and their teams by managing complex agendas, coordinating priorities, and organizing internal, external meetings, workshops, and client visits. Prepare communications, handle business travel logistics including orders of mission and reservations, and transform team needs into purchase requests with administrative follow-up. Facilitate new hire onboarding for workspace setup, access, and equipment while interfacing with internal support services like IT, security, and facility management. Execute administrative tasks including mail management, expense tracking, invoice follow-up, and timekeeping. Contribute to team life and organization, with potential for cross-functional missions based on activity needs. Located in Vélizy-Villacoublay, this five-month fixed-term contract requires a BTS-level degree, strong organizational skills, and fluent English for international interaction.