For over 15 years, JMG has been asserting its excellence as a leader in the power generation industry. Our strong partnership with FG Wilson, a trademark under the recognized Caterpillar Inc. brand portfolio and the world’s front-runner manufacturer of Perkins generators has given us the foundation to steer the industry in the direction of quality, support and innovation to become today the world’s largest FG Wilson dealer. Following our success in the retail market and to support the privatization of the Power Sector in Nigeria, JMG has been appointed by Mitsubishi Heavy Industries as a partner for Sales and Services. This partnership enhances JMG’s capabilities to offer premium solutions in power plants, cogeneration, independent power projects and gas turbines technologies. In 2014, we have partnered with Legrand, a global specialists in analogue and digital electrical fixtures and fittings enabling us to distribute high quality low-voltage products and deliver end-to-end power solutions to all our customers. JMG’s facilities span over a combined area of 35,000 m2 and host a staff force exceeding 1700 highly skilled and experienced individuals. We are deeply committed to offer our clients exceptional quality products and services. This is why we only represent superior global brands that offer unsurpassed performance. We are the only company in the country that has resident FG Wilson engineers and quality managers as part of its workforce. Their presence not only assures our customers with premier performance, but also provides our staff with the universal training needed for professional sales and after-sales support. Quality cannot be guaranteed unless users are comforted with remarkable technical support. JMG’s continuous investments in facilities, equipment, training programs and skilled personnel promise its clients with world-class services and prompt cooperation. We have set up over 20 technical service centers that operate round the clock. With our dedicated 24/7 help desk and over 100 fully equipped engineering teams spread out across Nigeria, we rapidly reach out to all our clients’ requests.
Job Summary
The HVAC Technician will be responsible for the installation, maintenance, troubleshooting, and repair of heating, ventilation, air conditioning, and refrigeration systems for JMG’s clients and projects. This role requires a high degree of technical skill, a commitment to safety, and a customer-focused approach to ensure optimal system performance and client satisfaction.
Key Responsibilities
Installation & Commissioning:
Install new HVAC/R systems (split units, VRFs, ducted systems, chillers, etc.) according to engineering specifications, manufacturer guidelines, and JMG standards.
Perform system commissioning, including charging with refrigerant, testing, balancing, and ensuring all components operate correctly.
Maintenance & Servicing:
Execute planned preventive maintenance (PPM) schedules on a variety of HVAC equipment to maximize efficiency and lifespan.
Conduct routine inspections, cleaning, filter changes, belt adjustments, and component lubrication.
Calibrate thermostats, controls, and sensors for optimal performance.
Troubleshooting & Repair:
Diagnose electrical and mechanical faults in HVAC systems using manuals, schematics, and diagnostic tools (multimeters, gauges, leak detectors).
Repair or replace defective components such as compressors, motors, capacitors, relays, expansion valves, and circuit boards.
Perform brazing, soldering, and piping work as needed.
Recover, evacuate, and charge refrigerants in compliance with environmental regulations.
Safety & Compliance:
Adhere strictly to all JMG and client site safety protocols, including Lockout/Tagout (LOTO), PPE use, and working at heights.
Handle refrigerants responsibly and in accordance with local and international regulations (e.g., F-Gas regulations, EPA guidelines).
Maintain accurate records of work performed, materials used, refrigerant handling, and service reports.
Customer Service & Communication:
Interact professionally with clients, explaining technical issues and repairs in a clear, understandable manner.
Provide recommendations for system upgrades or energy-saving improvements.
Collaborate effectively with the JMG project management and engineering teams.
Qualifications & Experience
Essential:
Education: OND/HND/B.Tech or equivalent in Mechanical Engineering, Electrical Engineering, or a related field. A technical/vocational certification in HVAC/R is highly desirable.
Certification: Valid Refrigerant Handling License/Certification (e.g., CITB, City & Guilds, or equivalent local certification) is mandatory.
Experience: Minimum of 3-5 years of proven hands-on experience as an HVAC Technician, preferably in a commercial or industrial setting.
Technical Skills:
Proficient in reading electrical and mechanical diagrams.
Strong knowledge of HVAC principles, refrigeration cycles, and electrical systems.
Skilled in using hand tools, power tools, and specialized HVAC equipment (vacuum pumps, recovery machines, manifold gauges).
Basic understanding of building management systems (BMS) is an advantage.
Physical Requirements: Ability to lift heavy equipment, work in confined spaces, and at heights. Must be physically fit for demanding environments.