Description: * Secondary education and/or technical course in Mechanical, Electrical, Automation, Chemistry or Environmental disciplines. * Knowledge of influent water, effluent and leachate treatment systems. * Organizational skills, agility in performing tasks, and good communication and interpersonal relationship abilities. Work Locations: Treatment Stations (WTP/WWTP/STS) * Assist in maintaining control over chemicals required for operations, reporting replenishment needs, supporting storage, organization, record keeping, monitoring deliveries and unloading by suppliers, paying attention to potential environmental damage, ensuring compliance with PPE and collective protective measures, thus guaranteeing these materials for operations; * Assist in safeguarding quality controls of received chemicals, helping evaluate density, color, etc., comparing with product analysis certificates and other necessary precautions; * Assist in monitoring the water intake channel, observing conductivity and pH, helping manage feeding equipment and system structures, contributing to maintaining their operation according to required quality and quantity parameters; * Assist in monitoring the system's clarification inlet, checking and assisting adjustments in chemical dosages (caustic soda, hypochlorite, PAC, polyelectrolyte, etc.), helping regulate pumps to ensure programmed water quality; * Contribute to monitoring system components (intake channels, pumps, flocculation, sedimentation, filtration, homogenization, centrifugation, flotation, etc.), assisting in checking for possible vibrations, noises, chemical injection, as well as cleaning equipment, aiming to ensure proper operation and final product quality; * Assist in cleaning and maintaining systems, helping operate sand filter controls, valve maneuvers, replacement of filter elements, assisting backwashing procedures, manual cleaning and other mechanisms to remove impurities and maintain water treatment system indicators; * Assist in monitoring water quality at process stages, collecting samples, helping analyze conductivity, turbidity, chlorine, etc., and adjusting chemical dosages to achieve desired quality; * Assist in monitoring water quality at the end of the process, comparing against established parameters and monitoring flows and appropriate adjustments, aiming to maximize production with expected quality; * Contribute to performing laboratory analyses at different stages of the water treatment process, using certain measuring and precision instruments, recording results for control and/or audit purposes; * Assist in controlling flow rates, pH, Dissolved Oxygen (DO) for sludge settling (effluent), taking samples, helping record data and reporting any parameter changes in chemicals used in effluent treatment; * Assist in removing sludge (effluents) via centrifuge, operating pumps, helping add chemicals to maintain microorganism concentration; * Assist in operating the flotation unit, adding chemicals, managing pumps, to enable transfer of residues (effluents) meeting environmental standards. Work Locations: 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 monitoring panel indicators, making notes, optical readings, to initiate liquid waste operations; * Assist in operating incineration system equipment such as pneumatic and electric pumps, compressors, etc., pressing buttons, operating valves, relying on lab analysis approvals and waste specifications, proceeding according to instructions, aiming to carry out transfer procedures * or incinerator operations; * Assist in operating incinerator valves, regulating specified amounts to burners, monitoring overall process performance: potential leaks, blockages, explosions, accidents, environmental damage or chemical reactions, ensuring operation and production meet targeted standards; * Handle drums, barrels and other solid waste containers using forklifts, perform optical reading, place them into appropriate elevators, press buttons, monitor process flow and control panel indicators (temperature, oxygen), ensuring operation progresses as expected; * Continuously monitor furnace through sight glass, watching for obstructions, blockages, checking waste flow and other necessary precautions; * Assist in operating systems integrated with the Incinerator, such as liquid transfers, drum pressing and calcination, gas washing, instrument handling, preparing loads, operating pneumatic pumps, activating valves, aligning waste routing, assembling and disassembling components, removing lances, assisting maintenance teams when needed, aiming to meet system supplementary requirements; * Make various records, following given instructions or established procedures, for operational control. Common activities across all positions: * Supervise suppliers, informing and verifying operational processes to validate systems to be implemented; * Participate in emergency operations, increasing pressure or altering procedures, conducting tests and simulations to immediately resolve issues and ensure full restoration of operational processes; * Remain alert to unsafe acts or conditions among internal or third-party teams, reporting and/or taking preventive actions according to institutional guidelines; * Maintain operational interfaces with clients, identifying their needs or satisfaction levels to guide system feeding and operation; * Perform other tasks of similar nature and complexity as determined by supervisor. * Comply with policies, procedures and standards established by the specific management system, using preventive equipment, observing regulatory norms and procedures, reporting deviations and proposing corrections for unsafe acts, thus contributing to implementing and maintaining normative, legal requirements and SGI regulations; * Participate in internal events / campaigns / training related to SGI. 2510180202231756309