Sandro Valadas

Sandro Valadas is a Systems Operations Engineer at 1GLOBAL, specializing in customer fault management and troubleshooting in SIM/eSIM card provisioning, voice services, and data services. Prior experience includes roles at Huawei focusing on 5G and 4G network integration for Vodafone Germany, and at Vodafone Italy, where Sandro managed integration and configuration of multi-generational network sites. Previous positions at Nokia involved network planning and optimization across multiple Latin American markets, including Claro and Telefónica, as well as technical support roles at Vodafone and Orange. Educational background includes advanced telecommunications certification from True-Skills, Lda, and a technical degree in computer equipment management from Escola Secundária D. João V.