HVAC Design Engineer – Client-Facing & Onsite Lead

Advius (Pty) Ltd; Pretoria; On-site; ZAR 360,000 - 600,000; Full time

Job summary

Advius (Pty) Ltd in Pretoria is seeking a Mechanical Engineer (HVAC) to take ownership of building services projects from design through to handover and maintenance. You will lead HVAC design, coordinate with electrical and other trades, and maintain strong client relationships on site and in meetings.

The ideal candidate has a degree in mechanical engineering, 3–6 years of building services experience with HVAC focus, and hands-on experience with AutoCAD, HAP or Revit MEP.

Qualifications

• BEng / BSc Eng (Mechanical), or BTech / BEngTech / National Diploma (Mechanical Engineering)
• 3 – 6 years’ experience in building services, with a strong HVAC focus
• Proven experience in HVAC design, installation and commissioning
• Customer-facing experience in managing client relationships and service delivery
• Proficiency in AutoCAD; experience with HVAC design software (e.g. HAP, Revit MEP or similar) is advantageous
• Working knowledge of SANS 10400 and SANS 10173
• Valid driver’s licence and own reliable transport

Responsibilities

• HVAC Design – Design, size and specify HVAC systems, including chillers, AHUs, VRF/VRV, split and ducted systems, and ventilation and extraction.
• Calculations & Selection – Carry out heat load calculations, duct and pipe sizing, and equipment selection.
• Technical Documentation – Prepare and review drawings, specifications, BOQs and technical submissions.
• Installation & Commissioning – Oversee installation, commissioning and handover, ensuring all work complies with SANS 10400, SANS 10173 and relevant OHS requirements.
• Client Liaison – Act as the technical point of contact for clients: run site meetings, handle queries and resolve complaints quickly and professionally.
• Fault Diagnosis – Diagnose system faults and recommend corrective and energy-efficient solutions.
• Maintenance & Service Contracts – Support preventative maintenance planning and the delivery of service contracts.
• Coordination – Coordinate with contractors, suppliers, technicians and other building services disciplines (electrical, fire and plumbing).
• Quotations & Reporting – Prepare quotations, site reports and project progress updates.
• Project Control – Monitor project timelines, budgets and quality standards.

Skills

Technical problem-solving

Analytical ability

Client service

Communication skills

Organised

Deadline-driven

Project management

On-site

Client liaison

Ownership

Education

BEng / BSc Eng (Mechanical) or BTech / BEngTech / National Diploma (Mechanical Engineering)

Tools

AutoCAD

HVAC design software (HAP, Revit MEP)

Job description

Advius (Pty) Ltd in Pretoria is seeking a Mechanical Engineer (HVAC) to take ownership of building services projects from design through to handover and maintenance. You will lead HVAC design, coordinate with electrical and other trades, and maintain strong client relationships on site and in meetings.

The ideal candidate has a degree in mechanical engineering, 3–6 years of building services experience with HVAC focus, and hands-on experience with AutoCAD, HAP or Revit MEP.