Responsibilities: Conservation and maintenance services for areas: 1\. Manual cleaning of the plant's influent bar screen using a rake; 2\. Collection of screened material and storage into dumpsters; 3\. Preventive and post-maintenance cleaning of equipment; 4\. Perform cleaning, washing of sand traps, weirs, clarifiers and treatment systems as needed (preventive and corrective); 5\. Perform 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, perform cleaning and manual and/or mechanical washing of fertilizer production bays, fertilizer storage areas, sludge storage areas and dumpster holding areas; 7\. Clean operational areas, pump houses and storage rooms; 8\. Removal of floating debris from Australian-type lagoon systems; 9\. Inspection of disinfection systems, hypochlorite dosing or any other chemical product when applicable; 10\. Generator operation testing when applicable; 11\. Minor repairs and painting on curbs and masonry boxes; 12\. Additional monitoring within the limits of the Wastewater Treatment Plant, 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\. Monitor flow meters; 2\. Check clarifiers' sludge blanket using a sludge stick; 3\. Collect and monitor influent and effluent samples via sedimentation using Becker, graduated cylinder or cone; 4\. Assist with valve operations according to system operation (always under operator supervision); 5\. Clean treatment systems such as plants and algae in tanks (specific to operations); 6\. Where applicable, assist in the operation, cleaning and maintenance of sludge centrifuges at the Wastewater Treatment Plant; 7\. Monitor sludge dumpster transport routines; 8\. Assist in RAFA and other Wastewater Treatment Plant equipment operation routines. Qualifications: 1\. Proven experience in cleaning services. 2\. Ability to work both independently and as part of a team. 3\. Class 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 within a continuously growing company and wish to contribute to RP ENGENHARIA's success, 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 opportunity. 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 become part of our team! Minimum Education: High School (Secondary Education) * Transportation allowance * Meal voucher * Food allowance