**Company Description** SGS is a Swiss multinational company, the world leader in inspection, verification, analysis and certification services for products and services, with more than 2,600 offices and laboratories worldwide. In Peru, we operate in most economic sectors such as mining, agriculture and fishing, forming part of the value chain of their products and services. On behalf of our client in the southern region, we are currently seeking a Chemical Laboratory Supervisor. **Job Description** * Lead personnel responsible for daily operations to ensure work quality, providing administrative and technical direction, complying with policies, standards and procedures established by bambas regarding safety, environment, health and quality. * Knowledge of balances and applied statistics in mineral processing * Be responsible for compliance with legal regulations, internal bambas standards, and internal work regulations. * Plan and assign work tasks to subordinates according to customer priorities and required work situations. * Supervision and/or execution of Metallurgical Tests: * Copper \& Molybdenum Flotation Tests * Comminution Tests: Bond Work Index, SGI and Abrasion Index. * Sedimentation Tests (Flocculant and/or Coagulant) * Particle Size Analysis (Grinding \& Flotation) * Metallurgical tests for reagent evaluation (Collectors, Frothers, flocculants, ceramic media). * Hydrodynamic characterization of bulk plant flotation cells (Use of Bubble Sizer). * Planning and sampling in Concentrator Plant * Grinding circuit: SAG Mill, Ball Mill, Pebble Crusher, Vibrating Screen (Under Screen / Over Screen), Cyclone cluster (feed underflow and overflow). * Bulk flotation circuit (overall or staged sampling Ro‐Scv, regrind stage, cleaner stage). * Moly flotation circuit (overall or staged sampling Ro‐Scv, regrind stage, cleaner stage). * Sampling in concentrate storage areas and emergency ponds for monthly concentrator plant inventory. * Continuously identify and report to the laboratory manager any accidents, incidents, unsafe acts and conditions observed during operations or assigned activities. **Requirements** * Professional degree, licensed and registered in Chemistry, Chemical Engineering or Metallurgical Engineering. * Minimum of 5 years of experience in similar positions. * Valid driver's license class AI or higher. * Knowledge of sampling and metallurgical testing. * Knowledge of metallurgical tests and mineral processing. * Knowledge of sampling and sample preparation. * Experience in process control, crushing, grinding, flotation, thickening and filtration circuits. * Experience in developing metallurgical balances for grinding, collective and selective Cu\-Mo flotation. **Additional Information** * Official employment from day one. * Legal life insurance. * Corporate agreements.