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Job Summary: Assist in the operation of water, effluent, and leachate treatment systems; waste incinerators; and other activities to ensure full plant functionality. Key Highlights: 1. Assistance in operations of water and waste treatment systems 2. Monitoring and control of chemical and environmental processes 3. Contribution to sustainability and waste valorization Assist in operational activities for systems such as: water/effluent/leachate treatment plants, waste incinerators, and others—supporting system operation, feeding, and monitoring; assisting with valve handling; contributing to chemical dosing applications; supporting partial and total quality analyses of the product; monitoring for possible deviations from established parameters; reporting and/or assisting in appropriate corrective actions—aiming to support full plant functionality and final product quality. **Responsibilities and Duties** **Workstations: Treatment Plants (WTP/WWP/STP)** * Assist in maintaining controls over chemicals required for operations—reporting replenishment needs, supporting storage, organization, recordkeeping, tracking supplier deliveries and unloading, monitoring potential environmental hazards, ensuring proper use of PPE and engineering controls to guarantee chemical availability for operations; * Assist in quality control of received chemicals—helping evaluate density, color, etc., comparing against certificates of analysis and other necessary precautions; * Assist in monitoring the water intake channel—observing conductivity and pH, helping operate feeding equipment and structures, contributing to maintaining their functionality according to required quality and quantity parameters; * Assist in monitoring the clarification stage inlet—checking and helping adjust chemical dosages (caustic soda, sodium hypochlorite, PAC, polymers, etc.), assisting in pump regulation to ensure programmed water quality; * Contribute to monitoring system components (intake channels, pumps, flocculation, sedimentation, filtration, homogenization, centrifugation, flotation, etc.), assisting in checking for vibrations, noises, chemical injection, and equipment cleaning—aiming to enable perfect functionality and final product quality; * Assist in cleaning and maintaining systems—helping operate sand filter controls, valve maneuvers, replacement of filter elements, assisting in backwashing, manual cleaning, and other mechanisms to remove impurities and maintain water treatment system indicators; * Assist in monitoring water quality at process stages—collecting samples, supporting analyses of conductivity, turbidity, chlorine, etc., and adjusting chemical dosages to achieve expected quality; * Assist in monitoring final-process water quality—comparing against established parameters and monitoring flows and necessary adjustments—to maximize production while meeting required quality standards; * Contribute to laboratory analyses across different stages of the water treatment process—using measurement and precision instruments, recording certain results for control and/or audit purposes; * Assist in controlling flow rates, pH, and Dissolved Oxygen (DO) for sludge (effluent) sedimentation—collecting samples, supporting documentation, and reporting any parameter changes in chemicals used for effluent treatment; * Assist in sludge (effluent) removal via centrifuge—operating pumps and assisting in chemical addition to maintain microbial concentration; * Assist in floatation unit operation—adding chemicals and operating pumps to enable transfer of residues (effluents) meeting environmental regulatory quality requirements. **Workstations: Incineration and Co-processing** * Assist in performing the incineration process checklist—verifying waste types and codes, destination tanks, schedules, etc., following step-by-step procedures, adjusting and observing panel indicators, making notes and optical readings to initiate liquid waste operations; * Assist in operating incineration system equipment—including pneumatic and electric pumps, compressors, etc.—activating buttons, operating valves, relying on lab analysis results and waste specifications, and proceeding per received instructions for incinerator transfers or operations; * Assist in operating incinerator valves—regulating predetermined quantities to burners, monitoring overall process performance: possible leaks, jams, explosions, accidents, environmental damage, or chemical reactions—to ensure operation and production meet target standards; * Handle drums, barrels, and other solid waste containers using forklifts—performing optical readings, placing them in appropriate elevators, pressing buttons, monitoring process flow and control panel indicators (temperature, oxygen)—to verify operational progress meets expected standards; * Continuously monitor the furnace through the sight glass—watching for possible obstructions or jams, verifying waste flow, and taking other necessary precautions; * Assist in operating auxiliary systems connected to the incinerator—such as liquid transfers, drum compaction and calcination, gas washing, instrument maneuvers, etc.—preparing loads, operating pneumatic pumps, actuating valves, aligning waste routing, assembling/disassembling components, removing lances, and assisting maintenance teams when needed—to meet complementary system requirements; * Perform various documentation tasks per instruction or established procedure to ensure operational control. **Common Activities Across All Workstations:** * Monitor suppliers—reporting and verifying operational processes to validate systems for implementation; * Participate in emergency operations—increasing pressure or modifying procedures, conducting tests and simulations—to immediately resolve issues and ensure complete restoration of operational processes; * Remain vigilant regarding unsafe acts or conditions—within internal or third-party teams—and report and/or take preventive measures per institutional instructions; * Maintain operational interfaces with clients—understanding their needs or satisfaction levels—to guide system feeding and operation; * Perform other tasks of similar nature and complexity, as directed by supervisors. * Comply with policies, procedures, and standards defined by the specific management system—using preventive equipment, observing regulatory norms and procedures, reporting deviations, and proposing corrections for unsafe acts—to contribute to implementing and maintaining normative, legal, and SGI-governing requirements; * Participate in internal events / campaigns / training related to SGI. **Requirements and Qualifications** * High school diploma and/or technical course in Mechanics, Electrical Engineering, Automation, Chemistry, or Environmental Science. * Knowledge of wastewater, effluent, and leachate treatment systems. * Organizational skills, agility in task execution, and strong communication and interpersonal relationship abilities. * Minimum 6 (six) months of experience in the assigned role. **Additional Information** * Medical assistance * Dental assistance * Gym allowance * Pharmacy allowance * Christmas basket * Life insurance * Meal voucher * Transportation voucher #### **Transformation is part of human essence.** #### **Every evolutionary process is driven by change. Without change, there is no transformation. Therefore, we act. We take pride in transforming waste into raw materials and renewable energy every day.** #### **We are a Brazilian pioneer company in waste valorization, pursuing sustainable development of society and the economy.** #### **Protecting the planet means caring for future generations!** #### **We believe in the circular relationship between people, the world, and the environment—thus, we deliver innovation, technology, and resources to develop sustainable businesses across diverse production and consumption chains. Where many see problems, we see solutions.** #### **Where others see losses, we see potential. And where most see only the present, we see the future!**
