Senior Refrigeration & Commissioning Technician

SUMMARY:
Background:

• Excellent career opportunity for a Refrigeration and Commissioning Technician within a leading manufacturing company

POSITION INFO:
Minimum Requirements: Grade 12 (Matric) Qualified Refrigeration Mechanic (Red Seal Trade Test) Valid SAQCC Gas Registration Valid code B driver's license Minimum 5–10 years' experience in commercial and industrial refrigeration Proven experience in commissioning commercial refrigeration systems Practical experience with CO₂ (R744) refrigeration systems will be advantageous Strong electrical and mechanical fault-finding skills Experience commissioning refrigeration controllers and Variable Speed Drives (VSDs) Ability to read refrigeration piping diagrams, P&IDs and electrical drawings Intermediate computer literacy (Microsoft Office) Responsibilities: Assist Contractors with commissioning and servicing commercial and industrial refrigeration systems Commission CO₂ (R744) trans-critical refrigeration systems Commission refrigeration racks, cold rooms, freezer rooms, blast freezers, chillers and process cooling systems Carry out preventative maintenance in accordance with service schedules Attend emergency breakdowns and reactive service calls Diagnose and repair refrigeration, mechanical and electrical faults Replace compressors, evaporators, condensers, pressure vessels, valves, electronic expansion valves (EEVs), pressure transmitters, sensors, driers and associated refrigeration components Perform nitrogen pressure testing, leak detection, evacuation, refrigerant charging and refrigerant recovery Complete Factory Acceptance Tests (FAT), Site Acceptance Tests (SAT), commissioning and customer handovers Assist OEM Representatives during equipment commissioning and warranty start-ups Commission, service, maintain and repair commercial, simplex and CO₂ (R744) trans-critical refrigeration systems Diagnose mechanical, electrical and control system faults on commercial, simplex and CO₂ (R744) refrigeration systems Perform advanced fault finding and root cause analysis on refrigeration systems and associated equipment Configure refrigeration control systems, operating parameters and system control strategies Configure and commission electronic expansion valves (EEVs), gas cooler control strategies and flash gas bypass systems where applicable Diagnose and repair refrigeration electrical faults Read and interpret electrical schematics, refrigeration wiring diagrams and P&IDs Test electrical circuits, motors, contactors, overloads, relays and safety devices Install, commission and troubleshoot refrigeration electrical control systems Configure and commission electronic controllers including Carel, Danfoss, Dixell, Eliwell, and similar platforms Attend customer sites to investigate and rectify manufacturing defects reported on equipment Respond to warranty-related job cards and service requests Perform fault finding on manufactured refrigeration systems, electrical control panels and mechanical assemblies Identify and repair refrigerant leaks, piping defects, electrical defects and workmanship-related issues Conduct root cause analysis to determine equipment failures Report manufacturing defects, recurring failures and quality concerns to the Manufacturing Recommend design improvements to improve equipment reliability and serviceability Ensure compliance with the ISO 9001 Quality Management System Conduct quality inspections during installation, commissioning and maintenance activities Verify refrigeration piping, brazing, insulation, electrical wiring and equipment installations Provide technical leadership and support to Refrigeration Technicians Complete job cards accurately and within company time frames Complete commissioning reports, service reports, warranty investigation reports, quality inspection reports Monitor refrigeration systems using various remote monitoring platforms Provide technical support on commercial HVAC systems where required, including: rooftop packaged units, air handling u, split and ducted air conditioning systems, chilled water systems, commercial ventilation systems, HVAC commissioning, servicing and fault finding Comply with the Occupational Health and Safety Act (OHSA) TO APPLY: Only if you meet the minimum job requirements and experience as mentioned above, you may submit a detailed updated CV. 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