Gauteng: Senior Refrigeration & Commissioning Technician posted by AJ Personnel

JVR Software; Gauteng; Presencial; ZAR 180.000 - 360.000; Jornada completa

Descripción de la vacante

JVR Software is seeking a qualified Refrigeration Mechanic to join our team in Gauteng. The role involves commissioning, servicing and maintaining CO (R744) refrigeration systems in commercial and industrial settings.

You will diagnose complex electrical and mechanical faults, read P&IDs and electrical diagrams, and support technicians on site. Requirements include Red Seal Trade Test, Grade 12, valid SAQCC Gas Registration, and a code B driver’s license.

Formación

• Qualified Refrigeration Mechanic with Red Seal Trade Test.
• Valid SAQCC Gas Registration.
• Strong fault-finding skills in electrical and mechanical systems.
• Experience with CO (R744) refrigeration advantageous.

Responsabilidades

• Assist with commissioning and servicing commercial and industrial refrigeration systems.
• Commission CO (R744) trans‑critical systems and refrigeration racks.
• Carry out preventative maintenance per schedules and respond to breakdowns.
• Diagnose and repair refrigeration, mechanical and electrical faults.
• Read refrigeration piping diagrams, PIDs and electrical drawings.
• Provide technical leadership and support to Refrigeration Technicians.

Conocimientos

Fault finding

Electrical knowledge

Mechanical understanding

Reading drawings & diagrams

CO (R744) systems

Computer literacy

Educación

Red Seal Trade Test ( Refrigeration Mechanic )

Grade 12

Herramientas

Carel controllers

Danfoss controllers

EEVs and sensors

Descripción del empleo

Requirements

• Valid SAQCC Gas Registration
• Valid code B driver’s license
• Minimum 510 years’ experience in commercial and industrial refrigeration
• Practical experience with CO (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

Minimum Requirements

• Grade 12 (Matric)
• Qualified Refrigeration Mechanic (Red Seal Trade Test)
• Valid SAQCC Gas Registration
• Valid code B driver’s license
• Minimum 510 years’ experience in commercial and industrial refrigeration
• Proven experience in commissioning commercial refrigeration systems
• Practical experience with CO (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 CO (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 CO (R744) trans‑critical refrigeration systems
• Diagnose mechanical, electrical and control system faults on commercial, simplex and CO (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)

Imported from Jobmail This listing was supplied by JobMail. The application route continues to the JobMail listing or the recruiter method provided with the vacancy.