**Company Description** SGS is the world leader in inspection, verification, testing, training, and certification. It is recognized as the global benchmark for quality and integrity, with more than 95,000 employees and a network of over 2,400 offices and laboratories worldwide. **Job Description** Responsible for the planning, preparation, characterization, and production of Reference Materials for process control, proficiency tests, and interlaboratory comparison rounds, as well as for method validation and testing to improve analytical processes. ✓ Perform chemical analyses for assigning values to reference materials (classical and instrumental methods) ✓ Perform analyses for method validation ✓ Analytical testing to improve analysis processes ✓ Develop new analytical methodologies ✓ Prepare method validation reports ✓ Manage the annual reference material preparation program ✓ Perform preliminary grade analysis of the material selected for use as reference material ✓ Evaluate homogeneity of the reference material ✓ Perform Ingamells tests ✓ Packaging and labeling ✓ Control storage, segregation, and preservation ✓ Prepare reference material certificates ✓ Enter into LIMS the control ranges of reference materials used for laboratory process control. **Requirements** University Chemistry Analyst - University Laboratory Chemist, 3 years of experience performing chemical tests on different types of samples relevant to the service and in chemical laboratories within the copper mining industry. ✓ Acid digestion of samples ✓ Gravimetric analyses ✓ Colorimetric and potentiometric analyses ✓ Knowledge of primary methods for assigning values to certified reference materials ✓ Classical and instrumental titrations (automatic titrators) ✓ Operation and maintenance (filter and reagent replacement) of elemental analysis equipment (LECOS) ✓ Knowledge of instrumental techniques such as Atomic Absorption Spectrometry, ICP-OES Plasma Spectroscopy ✓ Knowledge of Nch.ISO 17025 ✓ Handling hazardous substances (DS-43) ✓ Knowledge of the International Metrology System **Additional Information** We offer * Professional Development Plan * Birth 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 * Continuous training