Our client, which specializes in digital solutions for businesses and public organizations, is looking for his/her futur Connectivity Solution Architect acts as a technical advisor for wireless and IP connectivity solutions. He or she is responsible for defining, ensuring the consistency of, and justifying end-to-end technical architectures, from the radio layer to IP and supervision systems. He or she plays a key role in the pre-sales phases, defending technical choices, and guiding the technological roadmap for connectivity solutions. Your main responsibilities: - Act as a technical advisor and point of contact for connectivity solutions (LTE, 5G, Wi-Fi, hybrid solutions, etc.), both internally and with customers. - Ensure end-to-end consistency of the solutions offered (RAN, Core, IP, synchronization, supervision). - Your role will be to define, justify, and document radio and network architecture choices, integrating performance, resilience, security, latency, and QoS requirements. - You will actively participate in drafting technical responses to calls for tenders, commercial offers, and architecture files, and defend technical choices to stakeholders. - You will support the project, deployment, and operations teams during critical phases (design, validation, commissioning, complex troubleshooting). - You will guide and actively contribute to the technological roadmap for connectivity solutions, taking into