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Arnoldo Barrientos is an experienced professional in quality management and industrial processes, currently serving as Encargado Calidad at Marval since March 2023, focusing on DS160 certification and repair of tanks in accordance with API standards. Prior roles include Encargado Calidad y Oficina Técnica at Industria y Maestranza Austral Limitada, where responsibilities involved quality oversight in field operations. Arnold also served as Ingeniero Asistente y Administrador de Contratos at Constructora Pama, managing a gas turbine soundproofing project and other related tasks for prominent companies. Earlier experience includes a tenure as Gerente de Calidad at Laboratorio Austro Umag, overseeing quality management compliance with NCH 17025:2005, and a long-established career at Methanex Corporation as a Senior Operator across various process areas. Arnoldo holds an Industrial Engineering degree from Universidad Tecnológica Metropolitana and multiple diplomas in project evaluation, management, and operations from Universidad Andres Bello.