Job Summary: Operates and performs basic preventive maintenance on air conditioning and refrigeration systems, following safety and quality standards. Key Highlights: 1. Operate air conditioning and refrigeration systems 2. Perform basic preventive maintenance on these systems 3. Work in compliance with technical and safety standards Operate air conditioning systems by activating motors, fans, chillers for liquid cooling, fan coil units for environmental climate control, pneumatic and electro-electronic control devices, and air conditioners. Operate conventional refrigeration systems and ammonia-based refrigeration systems. Monitor the operation of refrigeration and air conditioning systems and perform basic preventive maintenance on these systems. Use communication equipment, record operational incidents, and complete routine reports. Work in accordance with technical and quality standards, as well as safety, hygiene, health, and environmental protection procedures. Carry out routines established by Supervisors and Coordinators. Employment Type: Full-time CLT Compensation: R$1.880,48 per month Benefits: * Life insurance * Meal voucher * Transportation voucher Selection Question(s): * Are you available to work day shifts — from 7 a.m. to 7 p.m.? * Do you hold a Refrigeration certification? Education: * Completed High School (Mandatory) Experience: * Refrigeration Operator (Mandatory) Work Location: On-site