**RESPONSIBILITIES:** Responsibilities and duties include operating wastewater treatment plants using various technologies and scales, including stabilization ponds, activated sludge systems, anaerobic reactors, septic tanks with filters, compact treatment systems, biodigesters, and sludge dewatering, among others. Conduct sample collection, analysis, and interpretation of results. Receive chemical products and complete control forms. Adjust process parameters as needed, performing field operations or operating automated systems. Identify operational issues and propose practical solutions. Prepare detailed technical reports. Monitor technical and school visits, presenting the wastewater treatment process with emphasis on environmental education. Receive and guide service providers, suppliers, and contracted interventions. Coordinate and interact with regulatory agencies. Represent the company at external events. Monitor operation and operational parameters of electromechanical equipment and request maintenance when necessary, following internal procedures; identify and diagnose failures to ensure continuity and safety of treatment processes; perform other tasks related to those described above, as determined by the organization and under guidance from the immediate supervisor; drive company vehicles to carry out assigned tasks, ensuring safety, compliance with traffic regulations, and vehicle maintenance (Driver’s license Category B). **REQUIREMENTS:** Requirements and qualifications: Education: Technical degree in Chemistry, Environmental Science, or related fields. Advanced proficiency in Microsoft Office Suite. Registration with the Regional Council of Chemistry (CRQ) or the Regional Council of Industrial Technicians of São Paulo State (CRT). Required Behavioral Competencies: Excellent communication skills. Emotional intelligence. Adaptability and flexibility. Teamwork ability. Proactivity. Critical thinking and problem-solving skills. Work location: São João da Boa Vista region, based at the São João da Boa Vista Wastewater Treatment Plant, during standard business hours. **WORK SCHEDULE:** To be determined **BENEFITS:** Private Medical Assistance Meal Allowance (VR) and Food Allowance (VA) Transportation Allowance Christmas Basket Vacation Bonus Birthday Day Off Extended Maternity Leave Extended Paternity Leave Childcare Assistance for Mothers and Fathers Wellhub Agreement (Gympass) Profit-Sharing Program (PPR) Register your resume at buscarvagas.com.br and stay updated on the best opportunities.