Johnson Controls

Technician Senior

Johannesburg-Gauteng-South Africa Full time

What You Will Do

The HVAC-Chiller Technician will be reporting to Operations Team Leader, Africa HVAC Sales. You will be supporting customers by executing the tasks of installation and commissioning of equipment, planned/unplanned maintenance and repairs as well as servicing of equipment as per Service Contracts/maintenance schedules. You will be mostly working on the customer’s site.

Being the face of the company in the eyes of the customer, you will be holding a key role in the organization with the mission of providing excellent service to your clients.

 

How You Will Do It

Site Work, Installation & Commissioning

  • Conduct site surveys prior to installation.
  • Install HVAC and chiller equipment according to specifications.
  • Ensure careful placement of units to prevent damage during and after installation.
  • Upgrade or refurbish equipment when required.
  • Perform thorough testing to identify faults and verify correct operation.
  • Ensure all installed equipment complies with system manuals and standards.
  • Commission systems using standard configuration and commissioning tools.


Maintenance, Repairs & Troubleshooting

  • Perform scheduled maintenance as per Service Contracts (bi‑weekly, monthly, or annual).
  • Follow preventative maintenance schedules to reduce downtime.
  • Respond promptly to call‑outs and service requests.
  • Test malfunctioning systems and components to diagnose issues.
  • Overhaul equipment and determine necessary repairs or replacements.
  • Troubleshoot and resolve technical problems effectively.
  • Provide detailed feedback on failures and recommend improvements.
  • Return faulty equipment to Johnson Controls and complete all required documentation.


Customer Interaction & Value-Added Services

  • Identify additional equipment or service needs during site visits.
  • Communicate potential sales opportunities to the Technician Team Leader or Client Service Manager.
  • Offer value‑added consulting and technical advice to customers.
  • Build strong customer relationships to encourage repeat business.

 

What we look for

Required

  • At least 4 years of experience at a similar position
  • Matric certificate
  • Qualified Artisan certificate
  • Valid code B driver’s license
  • Computer literacy
  • Applicants with chiller experience will be given preference