Senior HVAC Technician: Lead Diagnostics & Field Service

Placements24; Midrand; On-site; ZAR 420,000 - 660,000; Full time

Benefits offered by this job

Medical aid

Retirement fund

Company vehicle and fuel card

Performance-based bonuses

Job summary

Placements24 is seeking a Senior HVAC Technician in Midrand, Gauteng to lead diagnostics, maintenance, and repairs for commercial HVAC systems. The role requires strong knowledge of chillers, boilers, AHUs and control systems with the ability to read blueprints and technical drawings.

You will mentor junior staff, manage service workload, ensure safety compliance, and respond to emergencies. Travel within the Midrand region and a valid driver’s license are expected.

Qualifications

• Trade qualification in Refrigeration or Air Conditioning (e.g., NTC, F-Gas certification).
• Minimum of 7 years of proven experience as an HVAC Technician, with senior/lead capacity.
• Extensive knowledge of commercial HVAC systems, including installation, maintenance, and repair.
• Proficiency in reading and interpreting technical drawings, schematics, and specifications.
• Strong diagnostic and problem-solving skills.
• Familiarity with building management systems (BMS) and DDC controls is advantageous.
• Valid driver's license and willingness to travel within Midrand, Gauteng region.
• Strong communication and interpersonal skills to interact professionally with clients.

Responsibilities

• Perform diagnostics, repair, and preventative maintenance on HVAC equipment (chillers, boilers, AHUs, control systems).
• Interpret blueprints, schematics, and manuals to identify issues and implement solutions.
• Inspect systems and recommend repairs or upgrades; prioritize workload.
• Coordinate with maintenance staff and management to minimize disruption.
• Maintain records of maintenance and parts used; ensure safety compliance.
• Mentor junior technicians and share best practices.
• Respond to emergency service calls as needed; stay updated on new HVAC tech.

Skills

HVAC knowledge

Diagnostics

Leadership

Education

Refrigeration/Air Conditioning qualification

Tools

BMS

DDC controls

Job description

Placements24 is seeking a Senior HVAC Technician in Midrand, Gauteng to lead diagnostics, maintenance, and repairs for commercial HVAC systems. The role requires strong knowledge of chillers, boilers, AHUs and control systems with the ability to read blueprints and technical drawings.

You will mentor junior staff, manage service workload, ensure safety compliance, and respond to emergencies. Travel within the Midrand region and a valid driver’s license are expected.