Responsable Commercial (H/F)

The Responsable Commercial will develop revenue and market share across the Île-de-France region by managing a portfolio of clients, primarily engineering firms, installers, and integrators. The role involves promoting the company's products and services, negotiating commercial terms, and ensuring customer satisfaction through proactive prospecting and strategic account management. This position requires autonomy in deploying commercial action plans and acting as a brand ambassador on the field.