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Sergio Guillen Alvarez is an experienced engineer with a background in mechanical engineering, having obtained a degree from Universitat Politècnica de València in July 2018. Currently serving as Ingeniero de centro at Saltoki since June 2022, Sergio previously worked as Ingeniero de proyectos at GEDITEC INGENIERÍA, S.L. from May 2018 to June 2022. Additionally, Sergio gained experience as Personal de ventas at El Corte Inglés from March 2017 to May 2018 and briefly worked as Técnico frigorista at HWASUNG THERMO EUROPE SL in June 2017 to August 2017.