• Provide pre-sales technical support to service providers, including product presentations, solution design, and technical proposals. • Lead proof-of-concept (PoC) trials, lab evaluations, and field demonstrations of broadband access equipment. • Assist customers with network design, integration, and interoperability testing with OSS/BSS, management platforms, and third-party systems. • Act as a technical liaison between customers and internal teams (R&D, product management, and support). • Deliver technical training and knowledge transfer to customers, partners, and internal teams. • Provide post-sales support during deployment, including troubleshooting, configuration, and performance optimization. • Capture customer feedback and contribute to product roadmap discussions.