Heavy Duty Generator and HVAC and Refrigeration Engineer

Job Summary

• Aldelano Farms is seeking a highly skilled, experienced, and hands-on Mechanical Maintenance Engineer with strong technical expertise in the maintenance, troubleshooting, servicing, and repair of heavy-duty diesel generators, HVAC systems, and industrial refrigeration equipment.
• The ideal candidate must be capable of independently diagnosing mechanical and electrical faults, carrying out preventive and corrective maintenance, and ensuring the continuous operation of critical farm equipment and facilities.
• The successful candidate must be practical, technically competent, safety-conscious, and capable of responding promptly to equipment breakdowns.

Key Responsibilities

Heavy-Duty Generator Maintenance & Repairs

• Diagnose, service, troubleshoot, and repair diesel generators, particularly 15 kVA, 20 kVA, 30 kVA, and higher-capacity units.
• Repair generator engines, fuel injection systems, cooling systems, lubrication systems, and related mechanical components.
• Troubleshoot alternators, automatic voltage regulators (AVRs), control panels, battery charging systems, and electrical faults.
• Diagnose and resolve generator starting failures, overheating, abnormal vibration, power fluctuations, and shutdown faults.
• Perform routine maintenance, including oil changes, filter replacement, belt adjustment, and coolant checks.
• Maintain automatic transfer switches (ATS) and generator changeover systems.
• Conduct load testing and ensure generators operate efficiently and reliably.

HVAC Systems Maintenance & Repairs

• Install, maintain, troubleshoot, and repair heating, ventilation, and air-conditioning systems.
• Service split-unit, standing-unit, packaged, and industrial air-conditioning systems.
• Diagnose and repair faulty compressors, condenser units, evaporators, fan motors, thermostats, and electrical control components.
• Identify refrigerant leaks, repair faulty connections, evacuate systems, and recharge refrigerants according to equipment specifications.
• Troubleshoot cooling inefficiencies, airflow restrictions, electrical failures, and abnormal system operations.
• Carry out preventive maintenance to improve equipment efficiency and lifespan.

Refrigeration Systems Maintenance & Repairs

• Maintain and repair commercial and industrial refrigeration systems, including cold rooms, chillers, freezers, and refrigeration units.
• Diagnose refrigeration compressor faults, refrigerant leaks, pressure problems, and temperature-control failures.
• Troubleshoot expansion valves, condensers, evaporators, pressure switches, and refrigeration control systems.
• Ensure cold rooms and refrigeration facilities maintain the required operating temperatures.
• Perform refrigerant recovery, evacuation, leak testing, and charging using appropriate equipment and safe procedures.
• Respond promptly to refrigeration breakdowns to minimize product spoilage and operational losses.

General Equipment Maintenance

• Troubleshoot and repair gasoline-powered water pumps and other farm machinery.
• Maintain and repair motor-driven equipment, including pumps and ventilation systems.
• Inspect equipment regularly to identify potential faults before breakdowns occur.
• Support the installation and commissioning of new mechanical and electrical equipment.
• Recommend suitable spare parts, replacement components, and maintenance improvements.
• Maintain accurate records of servicing, repairs, equipment condition, and spare-parts usage.

Preventive Maintenance & Safety

• Develop and implement preventive maintenance schedules for generators, HVAC units, and refrigeration systems.
• Ensure all maintenance activities comply with workplace safety standards.
• Apply proper electrical isolation, lockout/tagout procedures, and safe refrigerant-handling practices.
• Minimize equipment downtime through effective troubleshooting and timely repairs.
• Provide regular maintenance reports and recommendations to management.

Qualifications & Experience

• HND or B.Sc. in Mechanical Engineering, Electrical Engineering, Electromechanical Engineering, Refrigeration and Air Conditioning Technology, or a related technical discipline.
• A recognized technical certification with substantial practical experience may also be considered.
• Minimum of 5 years of hands-on experience maintaining and repairing heavy-duty diesel generators, HVAC equipment, and refrigeration systems.
• Proven experience troubleshooting generator engines and electrical control systems.
• Strong practical knowledge of refrigeration cycles, compressors, refrigerants, and cooling systems.
• Ability to read and interpret mechanical drawings, wiring diagrams, and equipment manuals.
• Competence in using multimeters, pressure gauges, refrigerant manifolds, diagnostic tools, and mechanical maintenance equipment.
• Experience maintaining cold rooms and industrial refrigeration systems is highly desirable.

Required Technical Competencies

• Heavy-duty diesel generator diagnostics and engine repairs.
• Generator electrical troubleshooting and control-panel maintenance.
• HVAC installation, maintenance, and troubleshooting.
• Industrial and commercial refrigeration servicing.
• Compressor repair and replacement.
• Electrical and mechanical fault identification.
• Preventive and corrective maintenance.
• Refrigerant handling and leak detection.
• Equipment installation and commissioning.
• Technical reporting and maintenance documentation.

Additional Advantages

• Experience repairing gasoline-powered water pumps.
• Ability to service knapsack sprayers and agricultural equipment.
• Experience repairing motorcycles and other small engines.
• Previous experience working in agricultural facilities, food-processing plants, cold-storage facilities, or industrial environments.
• Knowledge of generator brands such as Perkins, Cummins, Caterpillar, and other industrial diesel engine systems.

Personal Attributes

• Strong troubleshooting and problem-solving skills.
• Ability to work independently with minimal supervision.
• High level of technical competence and attention to detail.
• Ability to respond quickly to emergency breakdowns.
• Good time management and organizational skills.
• Physically fit and willing to undertake hands-on maintenance activities.
• Reliable, disciplined, and committed to equipment safety.
• Willingness to work flexible hours when urgent repairs are required.

Key Performance Indicators (KPIs)

• Equipment uptime and operational reliability.
• Reduction in unplanned generator, HVAC, and refrigeration breakdowns.
• Timely completion of preventive maintenance activities.
• Average equipment repair turnaround time.
• Reduction in recurring mechanical and electrical faults.
• Compliance with maintenance and safety procedures.
• Accuracy of maintenance records and reports.