Responsible for supporting the operation of the Water Treatment Plant, performing valve opening, pump activation, preparation and dosing of chemical solutions, basic water analyses, and monitoring of operational parameters. Assists in cleaning and performing simple maintenance of equipment, organizing the work area, inspecting the plant, and daily recording of data in spreadsheets. Work is carried out in compliance with safety, quality, and environmental standards. **Requirements:** * Completed high school education * Basic knowledge of chemistry and computer skills (a technical background in chemistry is an advantage), * Attention to detail, * Responsibility and willingness to learn industrial and water treatment processes. Job type: Part-time, Apprentice Pay: R$7.37 per hour Work location: On-site