Alternance - Assistant administratif H/F

Manage administrative and financial tracking for client and supplier invoices, orders, and payments while preparing monthly dashboards. Handle general administrative tasks and maintain accurate records within the billing and procurement processes. Work alongside a team to support the regional BTS group's operations, balancing two days of weekly training at the CFA IESA in Strasbourg with full-time enterprise duties. No fees are required for the candidate, and the position begins in August 2026.