Rotational operation in the municipalities of Juquitiba and São Lourenço da Serra \- MARSHALL SCHEDULE, starting from the Juquitiba Water Treatment Plant (ETA). \*\*\* Sabesp (Companhia de Saneamento Básico do Estado de São Paulo) is responsible for supplying water and for sewage collection and treatment in 377 municipalities in the state of São Paulo, serving 28 million people. It is one of the largest environmental sanitation companies in the world and the largest in Brazil. The company will advance five decades in five years, expanding access to drinking water and basic sanitation for millions of people. Its commitment is to anticipate by four years the goals established by Brazil's Sanitation Legal Framework, aiming to provide dignity, health, and sustainable development for millions of Brazilians while preserving natural resources for future generations. At Sabesp, our essence is transforming lives. Our purpose is to connect people to a better future by delivering essential services with excellence and commitment to health and the environment. We dream big: we aim to be a global leader in basic sanitation, driving a more sustainable society and generating strong, lasting value for our shareholders. Our culture comes to life when we deliver purpose-driven results, care for the customer in every detail, think and act like owners, recognize those who make things happen, collaborate with trust and transparency, and always follow ethics and safety as guiding principles. This is the Sabesp way of being, transforming the present, and preparing the future. **Responsibilities and duties** * Operate and monitor water treatment plant (ETA) equipment such as flocculators, clarifiers, filters, and chemical dosing systems. * Control coagulation, flocculation, sedimentation, filtration, and disinfection processes. * Assist in sample collection and perform basic physical\-chemical and microbiological analyses in the laboratory or field. * Check parameters such as pH, turbidity, residual chlorine, color, among others. * Prepare and dose chemicals such as chlorine, aluminum sulfate, lime, and fluoride. * Monitor inventory and consumption of chemical inputs used in treatment. * Monitor corrective and preventive maintenance activities. * Fill out production reports, water quality, product consumption, and operational incidents. * Keep records required by regulatory agencies up to date. * Ensure compliance with health surveillance, environmental, and occupational safety regulations. * Act preventively to avoid contamination and supply interruptions. * Respond to system failures, leaks, or contamination incidents. * Participate in contingency plans. **Requirements and qualifications** * High school technical degree in Chemistry, Environment, Sanitation, or related fields; * Registration with the professional council. * Desired: National Driver's License (CNH) **Additional information** * Medical insurance * Private pension plan * Meal allowance (VR) and food allowance (VA) * Transportation voucher * Christmas basket * Additional holiday bonus * Birthday day off * Extended maternity leave * Extended paternity leave * Childcare allowance for mothers and fathers * Wellhub (Gympass) partnership * Profit Sharing Program – PPR The new Sabesp is much more than a sanitation company. We are a force that moves cities, brings quality of life to millions of people, and makes a real difference! Constantly, we continue innovating to ensure water supply and sewage collection for 375 municipalities across all regions of the state of São Paulo. But we don’t stop there! We will accelerate the universalization of water and sewage services, advancing by four years the goals set for 2033. And do you know what makes all this possible? People! The new Sabesp is transforming itself with ambitious goals, transparent principles, and a passionate team. We are entering a new phase, with a renewed vision for the future. And every great future begins with a dream. More agile, more modern, and offering even greater growth opportunities for those who want to be part of this transformation. At the new Sabesp, you’ll find innovation, real impact, and an environment where your ideas and energy make a difference. If you’re looking for meaningful work and the chance to transform lives, this is your place! **\#Let’sTransform! \#JoinSabesp!**