Responsibilities: Maintenance and conservation services for areas: 1\. Manual cleaning of the unit's influent bar screen using a rake; 2\. Collection of screened material and storage in dumpsters; 3\. Preventive and post-maintenance cleaning of equipment; 4\. Cleaning and washing, as needed (preventive and corrective), of sand traps, weirs, clarifiers, and treatment systems; 5\. Cleaning and manual and/or mechanical washing of internal access roads, sidewalks, platforms, yards, segregation zones, and Class II-A (non-hazardous) waste areas where applicable; 6\. Where applicable, cleaning and manual and/or mechanical washing of fertilizer production bays, fertilizer storage, sludge storage areas, and dumpster staging areas; 7\. Cleaning of operational areas, pump houses, and storage depots; 8\. Removal of floating debris from Australian-type lagoon systems; 9\. Inspection of disinfection systems, hypochlorite dosing, or any other chemical products when present; 10\. Testing operation of power generators when available; 11\. Minor repairs and painting of curbs and masonry boxes; 12\. Additional monitoring within the limits of the WTP, inspections, and record keeping on control forms according to Sabesp's environmental management system; 13\. Routine receiving of effluent from vacuum trucks when applicable. Operational support services: 1\. Monitoring flow meters; 2\. Checking sludge blanket levels in clarifiers using a sludge blanket gauge; 3\. Collection and monitoring of influent and effluent samples via sedimentation in Becker jars, graduated cylinders, or cones; 4\. Assisting with valve operations according to system requirements (always under operator supervision); 5\. Cleaning treatment systems such as plants and algae in tanks (specific to operations); 6\. Where applicable, assisting in the operation, cleaning, and maintenance of ETE sludge centrifuges; 7\. Monitoring sludge dumpster transport routines; 8\. Assisting in RAFA and other ETE equipment operation routines. Qualifications: 1\. Proven experience in cleaning services. 2\. Ability to work both independently and as part of a team. 3\. CNH B driver's license. 4\. Flexibility to work different shifts and perform additional tasks when necessary. 5\. Positive attitude, proactivity, and commitment to quality and safety. 6\. Good communication and interpersonal skills. 7\. Completed Elementary Education. We Offer: 1\. A challenging and rewarding work environment with opportunities for professional growth and development. 2\. Competitive salary plus additional benefits. 3\. Flexible working hours and a safe, healthy work environment. 4\. Opportunity to join a dynamic team committed to excellence. If you are looking for a challenge in a continuously growing company and want to contribute to the success of RP ENGENHARIA, please send your updated resume to our human resources team. Only qualified candidates will be contacted for the next stage of the selection process. RP ENGENHARIA is committed to diversity and equal employment opportunities. All qualified candidates will be considered for employment without regard to race, color, religion, gender, sexual orientation, nationality, age, marital status, disability, or other characteristics protected by law. Wait for our hiring process and take advantage of this opportunity to join our team! Minimum Education: High School (Secondary Education) * VT * VR * VA