**Refiner - Copiapó (1 vacancy)** **Operators of petroleum and natural gas refining facilities - Operators of mineral and rock processing plants** ====================================================================================================================================================================================== ### **CONTACT INFORMATION** **Company:** NATIONAL MINING COMPANY **Economic activity:** Extraction of other non-ferrous metal ores n.e.c. (except zinc, lead and manganese) ### **DESCRIPTION** Job objective: Responsible for refining mineral samples for subsequent delivery to the laboratory, complying with all procedures that ensure transparency and integrity in the mineral valuation process. Additionally, if applicable, responsible for the systematic collection of representative samples of minerals and products. Main Functions: Verify the operation of refining equipment and tools. Quarter samples. Homogenize samples. Reduce the size of the total sample. Record and code samples. Record and verify sample snyders. Implement actions for the management of quality, environmental, and occupational health and safety within the area/department. Atacama, Copiapó 10/30/2025 - 11/13/2025 Reserved Full Time ### **REQUIRED QUALIFICATIONS** **Educational level:** **Experience:** 1 year ### **CHARACTERISTICS** **Type of contract:** Fixed-term contract **Position level offered:** Operator **Source of Offer:** WEB **Offer type - professional practice:** No