1. Team Management & Technical Operations• Lead and manage the Technical Support and Network Engineering teams to ensure high performance and continuous development• Define and implement technical support strategies to improve service quality and customer satisfaction• Monitor KPIs, analyze performance, and drive continuous improvement initiatives2. Technical Support & ISP Solutions• Provide advanced technical consultation for networking solutions, especially in ISP environments (OLT, ONU, GPON, routers, switches, access points, etc.)• Handle complex technical issues and escalations• Collaborate with regional/global teams to resolve advanced technical cases3. Customer Management & Cross-functional Collaboration• Build and maintain strong technical relationships with ISP customers, acting as a trusted technical advisor• Work closely with Sales, Product, and other internal teams to support business development and solution design• Participate in technical meetings, workshops, and customer engagements4. Process, Training & Development• Develop and standardize technical processes, workflows, and documentation• Plan and deliver technical training for internal teams, partners, and customers• Stay updated with the latest networking technologies, ISP trends, and product roadmap