**Company Description** SGS is the world leader in inspection, verification, analysis, training and certification. It is considered the main global reference in quality and integrity, with more than 95\.000 employees and a network of more than 2\.400 offices and laboratories worldwide. **Job Description** Personnel are required to carry out sampling and measurement tasks in tanks, mainly related to the petrochemical industry. Their main responsibilities will be: * Carry out different types of sampling and/or inspections according to internal procedures and current regulations. * Perform metrological confirmation activities when applicable. * Perform weight control, physico\-chemical tests, review, verification, checking and certification tasks when applicable. * Perform control, review, verification and checking tasks on equipment. * Responsible for completing all field activity records. Technical knowledge: * Weight control for reception and dispatch operations on vessels and terminals (mineral products stored in big\-bags, containers or in bulk) * Sampling of mineral products stored in stockpiles, containers, big\-bags and/or in bulk * Inspections during product loading and/or unloading. * Determination of moisture content in mineral products. * Mechanical preparation of samples for quality testing * Supervision of certification processes for reception, dispatch and/or shipment operations of mineral products in various storage formats. * Obtaining samples of products during reception, dispatch and/or shipment operations. * Physical tests on copper concentrate. **Requirements*** Driver's License: Class B – Minimum 1 year validity (mandatory). * Educational Level: High School or Higher Education. (mandatory). * Skills in mathematical procedures. * In-depth knowledge of testing methodologies and quality control standards. * Practical knowledge of Office software. * Use all personal protective equipment and materials necessary to perform their duties safely and with quality. * Experience in shipping processes (sampling, moisture determination and mechanical preparation) * Availability to work under Art. 22\. Residence in Antofagasta (mandatory) **Additional Information** Benefits: * Birthday and Christmas gifts for employees' children * Life insurance from the moment of joining the organization * Special leave permissions * Benefits from Caja los Andes and associated agreements