Juan Hernández is an experienced telecommunications professional with a comprehensive background in technical support, service delivery, and engineering roles across multiple companies. Currently serving as a Professional Services Engineer at TOMIA since August 2021, Juan focuses on providing solutions and system restoration for roaming products, ensuring adherence to service level agreements and customer satisfaction. Prior experience includes key positions at Ericsson, where Juan contributed to a significant increase in customer satisfaction as a Service Delivery Manager, as well as technical support roles addressing billing solutions. Earlier roles at Lucent Technologies, Telefonica, and Telgua involved operations, maintenance, and network optimization, showcasing expertise in the integration and deployment of telecommunications systems. Juan holds a Master of Science in Communications Technology from Ulm University and a Licentiate degree in Electronics Engineering and Computer Science from Universidad Francisco Marroquín.