Job Summary: Responsible for installing and maintaining refrigeration and air conditioning systems in compliance with technical, environmental, and safety standards. Key Highlights: 1. Perform preventive and corrective maintenance on various thermal equipment 2. Conduct tests on refrigeration systems to verify electrical conditions 3. Install and test air conditioning systems (Split, Cassette, and Chiller) Responsible for installing and maintaining refrigeration and air conditioning systems in accordance with legislation and technical, environmental, health, and occupational safety standards, while applying best practices. * Perform preventive and corrective maintenance on industrial refrigerators, freezers, cold rooms, ovens, and other thermal equipment; * Conduct tests on refrigeration systems to verify the electrical supply conditions of equipment; activate equipment (motors and compressors); * Verify the rotation direction of electric motors; * Monitor variables of the refrigeration system; * Perform preventive maintenance on Split System, Cassette, and Chiller air conditioners; * Install condensers and evaporators, conducting material and tool assessments; * Carry out all necessary tests and procedures to ensure proper operation of the air conditioning system.