Alternant Chargé de Relation Client et Développement Commercial - NSA (H/F)

Manage client relationships and support operational teams while handling administrative case processing to ensure service quality. Assist sales administration by tracking orders, updating data, and coordinating documentation alongside internal services. Conduct prospecting and qualification of new opportunities to drive commercial development, then prepare and monitor commercial activities with clients. Generate reports and track activity indicators while continuously improving management processes and tools.