**Company Description** SGS is the world leader in inspection, verification, analysis, training and certification. Recognized as the global benchmark for quality and integrity, we have more than 95\.000 employees and a network of over 2\.400 offices and laboratories worldwide. **Job Description** For the bidding of Commissioning Services at CODELCO's El Salvador Division, an Operational Instructor for Concentrator is required, a professional with at least 5 years of experience in Concentrator Plant operations in positions such as Shift Supervisor, Team Leader, Process Engineer, Unit Manager, or equivalent roles. The candidate must have experience in team training. Digital tool proficiency desirable for job development. Please send updated CV, academic degree certificate, and salary expectations. Local candidates will be prioritized. Duration: 6 months. Continuous 7x7 shift system (day shifts). Day shifts from 08:00 – 20:00 **Requirements** Responsibilities: Review of 310\+x operational standards and instructions (Current Process Map of Concentrator) related to operation with CIO. Modification/update of standards and instructions (270\+y) resulting from CdP conducted in plant operations and CIO. Dissemination within operations and CIO of the 310 \+ x standards and instructions. Proficiency in digital tools for work development. **Additional Information** Work Location: Atacama Region III, El Salvador Shift System: Continuous 7x7 shift system (day shifts). Day shifts from 08:00 – 20:00