Senior HVAC Maintenance Engineer

Job Overview: We are seeking a Senior HVAC Maintenance Engineer with extensive experience in the operation, maintenance, and troubleshooting of HVAC systems in large-scale commercial, institutional, or industrial facilities. The successful candidate will play a critical role in overseeing the preventive and corrective maintenance of chillers, VRV/VRF systems, AHUs, FCUs, ventilation fans, and associated control systems.

The engineer will manage on-site maintenance activities, lead HVAC maintenance teams, coordinate with automation/BMS teams, and ensure system performance is optimized across multiple projects in West Africa.

Key Responsibilities:

•Supervise and execute preventive and corrective maintenance of all HVAC equipment, including chillers, air handling units (AHUs), fan coil units (FCUs), exhaust and ventilation fans, and split/VRV systems.

• Diagnose and resolve mechanical and control system failures to ensure uninterrupted HVAC operations.

• Review and interpret HVAC shop drawings, O&M manuals, wiring diagrams, and control sequences to perform maintenance efficiently.

• Plan and implement maintenance schedules aligned with OEM recommendations and operational demands.

• Ensure HVAC systems are operating within design specifications, efficiency parameters, and safety standards.

• Coordinate with BMS and electrical teams to resolve system interface and automation issues.

• Lead on-site technicians, provide technical support, and conduct hands-on training.

• Maintain accurate maintenance logs, service reports, and parts inventories.

• Prepare and submit regular performance reports and technical assessments to management.

• Recommend and supervise system upgrades, component replacements, and energy-saving initiatives.

• Ensure full compliance with HSE standards, manufacturer guidelines, and internal QA/QC protocols.

Requirements:

• Bachelor’s degree or technical diploma in Mechanical Engineering, HVAC Technology, or a related field.

• Minimum 10 years of experience in HVAC system maintenance, with at least 3 years in a senior/supervisory role.

• Deep knowledge of chillers (air- and water-cooled), ducted systems, VRV/VRF systems, and building ventilation equipment.

• Familiarity with BMS-integrated HVAC systems, particularly interfacing with Siemens, Schneider, or Honeywell platforms.

• Proven experience reading and interpreting schematics, P&IDs, and maintenance manuals.

• Strong troubleshooting skills and practical knowledge of HVAC control logic and sequence of operations.

• Proficient in Microsoft Office Suite (Excel, Word, Outlook); experience with CMMS software is an advantage.

• Strong communication and leadership abilities.

• Willingness to work on-site full-time in Nigeria, Ghana, or Ivory Coast under long-term maintenance contracts.

Preferred Candidate Profile:

• Hands-on leader with a high level of technical discipline.

• Comfortable managing field teams and ensuring service quality in remote or international locations.

• Fluent in English; French language skills are an advantage (especially for Ivory Coast).

• Familiar with ASHRAE, SMACNA, and international HVAC maintenance standards.