Commercial HVAC System Maintenance Engineer

Placements24; Centurion; On-site; ZAR 540,000 - 900,000; Full time

Job summary

Placements24 in Centurion, Gauteng, is seeking a Commercial HVAC System Maintenance Engineer to join our facilities services team. You will maintain and repair a range of commercial HVAC systems across multiple properties, performing preventative maintenance and diagnostics to ensure comfort and efficiency.

The ideal candidate holds a National Diploma in HVAC or related field, with 7+ years of hands-on experience, and is proficient in reading schematics, troubleshooting electrical and mechanical

Qualifications

• 7+ years hands-on experience in maintenance and repair of commercial HVAC systems.
• Ability to diagnose and repair systems from various manufacturers.
• Strong understanding of refrigeration cycles, electrical controls, and BAS.
• Valid driver's license to travel to sites around Centurion.

Responsibilities

• Perform routine inspections, testing and preventative maintenance on commercial HVAC systems.
• Diagnose and repair malfunctions, identifying root causes and implementing solutions.
• Electrical and mechanical troubleshooting of motors, compressors, fans and controls.
• Interpret blueprints and schematics to perform installations and repairs.
• Ensure systems operate efficiently with energy conservation in mind.
• Respond to emergency service calls and resolve issues promptly.
• Maintain detailed logs of maintenance actions and system performance.
• Communicate status and plans with building managers, clients and team.

Skills

HVAC troubleshooting

Electrical diagnostics

Mechanical systems

Reading schematics

Problem solving

Education

National Diploma in HVAC

Tools

Multimeters

Combustion analyzers

Refrigerant gauges

Job description

About the Role

Our client, a premier facilities management company, is seeking a dedicated Commercial HVAC System Maintenance Engineer to join their esteemed team in Centurion, Gauteng . This role is crucial for maintaining the operational efficiency and safety of Heating, Ventilation, and Air Conditioning (HVAC) systems across a portfolio of commercial properties. You will be responsible for preventative maintenance, troubleshooting, and repair of complex HVAC units, ensuring a comfortable and productive environment for building occupants. The ideal candidate will possess a robust understanding of HVAC principles, system diagnostics, and advanced repair techniques. Working in the bustling economic hub of Centurion , you will be part of a team committed to excellence in property services within the Gauteng province. This is a demanding yet rewarding position offering significant responsibility and opportunities for professional development.

Key Responsibilities

• Perform routine inspections, testing, and preventative maintenance on a variety of commercial HVAC systems, including chillers, boilers, air handling units, and rooftop units.
• Diagnose and repair HVAC system malfunctions, identifying root causes of problems and implementing effective solutions.
• Conduct electrical and mechanical troubleshooting of HVAC components such as motors, compressors, fans, and control systems.
• Interpret HVAC blueprints, schematics, and technical manuals to perform installations and repairs.
• Ensure all HVAC systems operate efficiently, adhering to energy conservation standards.
• Respond to emergency service calls and resolve urgent HVAC issues promptly.
• Maintain detailed logs of maintenance activities, repair actions, and system performance.
• Communicate effectively with building managers, clients, and team members regarding system status and maintenance plans.

Requirements

• National Diploma or equivalent qualification in Mechanical Engineering, Electrical Engineering, or HVAC Technology.
• Minimum of 7 years of hands‑on experience in the maintenance and repair of commercial HVAC systems.
• Proficiency in diagnosing and repairing systems from various manufacturers.
• Strong understanding of refrigeration cycles, electrical controls, and building automation systems (BAS).
• Experience with testing equipment, including multimeters, combustion analyzers, and refrigerant gauges.
• Ability to read and understand complex technical documentation.
• Valid driver's license and a clean driving record for travel to sites in and around Centurion.
• Excellent problem‑solving skills and the ability to work under pressure.

Benefits

Our client offers an attractive salary package, comprehensive health insurance, and opportunities for further certifications and training. You will be part of a professional and supportive team dedicated to maintaining high standards of service. The role is based on-site in Centurion, Gauteng , providing a stable and consistent work environment. This role is critical to ensuring the comfort and functionality of major commercial spaces.