Description and details of activities The Maintenance Technician is responsible for ensuring the proper functioning, operation, and preventive and corrective maintenance of industrial refrigeration systems and other electromechanical equipment in the plant. Their main objective is to guarantee operational efficiency, continuity, and safety, complying with the company’s quality, safety, and hygiene standards, as well as applicable regulations.  **Main Activities** 1\. **Preventive Maintenance** * Perform scheduled preventive maintenance routines on ammonia (NH₃) and other refrigerant gas refrigeration systems. (Desirable) * Check oil levels, pressures, valves, filters, evaporators, compressors, condensers, and electrical controls. * Record inspection and maintenance results in the logbook, reporting any anomalies detected. * Verify the operation of motors, fans, pumps, and electrical panels. 2\. **Corrective Maintenance** * Diagnose and repair failures in refrigeration, electrical, or electromechanical equipment. * Replace defective components (valves, sensors, contacts, fuses, relays, etc.). * Coordinate with the maintenance supervisor regarding technical shutdowns for repairs without affecting operations. * Document work performed and validate equipment functionality before release. 3\. **Refrigeration Systems** * Operate and monitor ammonia systems in accordance with safety procedures. * Measure and adjust refrigerant pressure, temperature, and flow parameters. * Conduct leak-tightness tests and refrigerant gas leak control in compliance with environmental regulations. * Support refrigerant gas recharging or recovery, and cleaning of lines or heat exchangers. 4\. **Electricity and Control** * Read and interpret electrical and mechanical diagrams. * Diagnose electrical faults in control panels, frequency inverters, and starting systems. * Perform basic electrical connections according to safety standards. Experience and Requirements * Education: Technical high school diploma, technical degree, or TSU in **Refrigeration, Electromechanics, Mechatronics, Industrial Maintenance, or related field**. * Experience: Minimum **2 verifiable years** of experience in maintenance of industrial refrigeration equipment. **Knowledge in:** * Operation, diagnosis, and maintenance of **ammonia (NH₃) refrigeration systems. (DESIRED)** * Handling of other refrigerant gases (R134a, R404a, R22, CO₂, etc.). * Basic electricity and reading of electrical and mechanical diagrams. * **Safety and hygiene standards**, with special emphasis on ammonia handling. * Use of measuring tools (multimeter, pressure gauges, vacuum gauge). * Competencies: **Responsibility, teamwork, initiative, problem-solving.** * Availability for **shift work, on-call duties, and emergencies**. (Occasional) **Due to the company’s location, it is recommended that candidates reside in nearby ejidos, neighborhoods, or housing developments close to Colonia Pólvora, such as Valle de Puebla, Pedregal, Condesa, or adjacent areas.** Benefits * Benefits in accordance with the Federal Labor Law (LFT) * Cafeteria * Uniform **Number of vacancies** 2 **Department** Maintenance **Contract type** Permanent **Work modality** On-site **Shift** Variable **Work schedule** Full-time **Working hours*** Full-time **Education** Technical degree **Willingness to travel** No