A prominent Telecommunications Provider based in Johannesburg, South Africa, specializing in providing services primarily to businesses (B2 B), is seeking a highly skilled individual with end-to-end Vo IP expertise and a strong networking background. This role is critical for managing technical escalations, troubleshooting complex voice issues, and ensuring timely resolution for clients, wholesalers, and partners.

Responsibilities Serve as the primary point for technical escalations from service teams, clients, and partners (wholesalers, interconnects). Use diagnostic tools (e.g., Wireshark, SIP traces, syslog analysis) to identify, investigate, and implement solutions for common and complex voice failures. Manage the full incident lifecycle, including ensuring a ticket is logged and providing timely feedback to customers/wholesalers. Engage with upstream service providers to resolve complex issues affecting service delivery. Provide specific technical support to internal fi...