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HVAC Technician & Installer at Marquise Energy Limited

Marquise Energy Limited
July 08, 2026
Full-time
On-site
Description


The HVAC Technician & Installer is responsible for the installation, testing, commissioning, maintenance, troubleshooting, and repair of Heating, Ventilation, and Air Conditioning (HVAC) systems in commercial, industrial, and oil & gas facilities.
The role ensures HVAC systems operate safely, efficiently, and in compliance with project specifications, manufacturer recommendations, and HSE requirements.


Key Responsibilities
Installation & Commissioning:


Install HVAC equipment, including split units, package units, VRF/VRV systems, chillers, AHUs, FCUs, ductwork, ventilation systems, and exhaust systems.
Install refrigerant piping, condensate drains, insulation, and associated HVAC accessories.
Carry out pressure testing, vacuuming, refrigerant charging, and system commissioning.
Interpret engineering drawings, layouts, and technical specifications to ensure accurate installation.
Ensure installations comply with project requirements, relevant standards, and manufacturer guidelines.


Maintenance & Repairs:


Perform preventive and corrective maintenance on HVAC systems.
Diagnose and repair faults in compressors, motors, thermostats, electrical controls, fans, pumps, and refrigeration systems.
Replace defective components and ensure systems are restored to optimal performance.
Conduct routine inspections and performance testing to identify potential issues.


Troubleshooting:


Diagnose mechanical, electrical, and refrigeration faults.
Use testing instruments to identify system failures and implement corrective actions.
Respond promptly to equipment breakdowns and emergency maintenance requests.


Health, Safety & Compliance:


Adhere to company HSE policies and permit-to-work procedures.
Ensure safe handling and disposal of refrigerants and other hazardous materials.
Use appropriate Personal Protective Equipment (PPE) at all times.
Maintain a clean and safe work environment.


Documentation & Reporting:


Maintain maintenance logs, inspection reports, and service records.
Record spare parts usage and equipment history.
Report equipment defects and recommend corrective actions or replacement where necessary.
Assist in preparing work completion reports.


Teamwork:


Work collaboratively with engineers, electricians, facility personnel, and project teams.
Support project execution and ensure work is completed within agreed timelines.
Mentor junior technicians and apprentices where required.


Qualifications


National Diploma (ND), Higher National Diploma (HND), Trade Test, or Technical Certificate in Mechanical Engineering, Electrical Engineering, Refrigeration & Air Conditioning, or a related field.
3 - 5 years' experience in HVAC installation and maintenance, preferably within commercial, industrial, or oil & gas environments.


Professional Certifications:


HVAC/Refrigeration Certification from a recognized institution.
Trade Test Certificate (Grade I, II, or III) is an advantage.
Valid HSE Level 1, 2, or 3 Certification.
Manufacturer training/certification (e.g., Daikin, Carrier, Trane, York, LG, Mitsubishi Electric) is an added advantage.
First Aid Certification (preferred).


Technical Competencies:


Installation and commissioning of HVAC systems.
Refrigeration systems and refrigerant handling.
Air balancing and ventilation systems.
Electrical wiring and HVAC control systems.
Preventive and corrective maintenance.
Fault diagnosis and troubleshooting.
Reading engineering drawings and schematics.
Use of HVAC testing and diagnostic tools.

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