R&A Technician II – Refrigeration & Air‑Conditioning

About the role

The International Institute of Tropical Agriculture is looking for two qualified R&A Technicians II to join its headquarters in Ibadan. This fixed‑term position (6 months, renewable) focuses on the installation, maintenance and fault‑resolution of refrigeration and air‑conditioning equipment supporting the institute’s research activities.

Key responsibilities

• Inspect, diagnose and rectify faults on refrigerators, freezers and air‑conditioning units.
• Assist with the installation of new cooling equipment, including air conditioners, refrigerators and freezers.
• Perform routine inspections and preventive maintenance to ensure optimal operation.
• Operate and maintain cooling systems, including VRV and inverter technologies where applicable.
• Maintain accurate service records and report any recurring issues to supervisors.
• Carry out any additional tasks assigned by the supervisor.

Required profile

• Minimum Ordinary National Diploma (OND) in Mechanical Engineering or equivalent trade certification.
• At least three (3) years of relevant experience in refrigeration or HVAC maintenance within a structured organization.
• Strong knowledge of refrigeration troubleshooting, fault diagnosis and electrical schematics.
• Ability to work independently on site and follow safety procedures.

Required skills

• Refrigeration troubleshooting
• Fault diagnosis
• Electrical systems interpretation
• Reading electrical diagrams
• Refrigerant handling and charging procedures
• Understanding pressure‑temperature relationships
• Use of gauges, multimeters, vacuum pumps and leak detectors
• Knowledge of VRV and inverter systems (advantageous)
• Installation of air‑conditioning, refrigeration and freezer units
• Maintenance of cooling equipment

What we offer

• Highly competitive salary with attractive benefits.
• Excellent working conditions on a pleasant campus environment.
• Opportunity to gain experience in a leading agricultural research institute.