Description: * Boiler Cleaning: Perform cleaning of generator tubes and ash pits using manual labor and tools, maintaining equipment efficiency for steam generation and biomass consumption economy. * Water Treatment: Responsible for treating boiler feed water, performing chemical treatment of cooling towers, boilers, and softeners, as well as dosing chemicals according to treatment demands, aiming to maintain water quality within specified parameters for boiler operation. * Loader Machine Operation: Feed the boiler supply silo by operating the loader machine. * General Maintenance: Manage preventive maintenance schedules of equipment with the manufacturer and, when necessary, perform minor repairs on equipment using manual tools and basic mechanical instructions, ensuring lubrication and servicing of the machine while maintaining equipment reliability and originality. * General Cleaning: Perform manual tasks using combustion blowers for cleaning and manual tools for general painting work. Requirements: * Unimed Health Plan, Dental Plan, Food Voucher, Meal Voucher, Company Profit Sharing, Life Insurance, Shuttle Transportation Benefits: Profit Sharing Program - PPR, Health Plan, Dental Plan, Life Insurance, Shuttle Transportation (Co-payment), Meal Voucher