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Intermediate Mechanical Design Engineer (HVAC, Remote, Building Services)

Smart4 Energy · South Africa · Remote

Full time
Best to apply before 15 Nov 2026 (7 days left)
Source verified Checked yesterday

Overview

Fully remote opportunity for an Intermediate Mechanical Design Engineer with HVAC expertise to work with a UK building services consultancy from South Africa. You will contribute to high end residential, heritage, education, and science projects, gaining international exposure and developing skills with H2X software. Open to candidates with 3 to 5 years of experience.

About the role

Smart4 Energy is hiring on behalf of a UK based building services consultancy looking for an Intermediate Mechanical Design Engineer with strong HVAC design experience. This is a permanent, fully remote role based in South Africa, giving you the chance to work on international projects while collaborating with a multidisciplinary team.

The role involves detailed mechanical design for HVAC systems across various building services projects, including high end residential developments, heritage refurbishments, educational facilities, and science and R&D environments. You will work from concept through to detailed design, producing calculations, drawings, specifications, and technical documentation. You will also get exposure to H2X, a building services design platform that supports modelling and design of HVAC systems.

If you have a Bachelor's degree in Mechanical Engineering, 3 to 5 years of building services mechanical design experience, and a reliable home office setup, we'd love to hear from you.

Requirements

  • Bachelor's degree in Mechanical Engineering or a relevant engineering discipline
  • 3 to 5 years of experience in mechanical design within building services
  • Detailed HVAC design experience gained within a building services consultancy
  • Sound understanding of mechanical building services design principles and HVAC systems
  • Interest in developing skills with H2X and other industry design tools
  • Own laptop suitable for professional engineering design work
  • Reliable, high speed internet connection and ability to work effectively in a fully remote environment
  • Strong communication, organisational and time management skills
  • Experience with H2X (advantageous)

Responsibilities

  • Undertake detailed mechanical design for HVAC systems across a range of building services projects
  • Contribute to design and delivery of projects from concept through to detailed design
  • Produce mechanical design calculations, drawings, specifications and technical documentation
  • Collaborate with multidisciplinary teams to deliver coordinated, high quality design solutions
  • Utilise industry design software including H2X for modelling and design of HVAC systems (heating, cooling and ventilation)
  • Work on international projects while maintaining effective communication and collaboration with the wider team

Benefits

Permanent remote position, medical aid benefits, exposure to diverse UK projects, opportunity to gain experience with H2X, collaborative international working environment, professional growth opportunities.

Job details

Organisation
Smart4 Energy
Location
South Africa (Remote)
Job type
Full time
Work arrangement
Remote
Experience level
Mid (3+ years)
Education
Bachelor
Category
Construction & Engineering
Application Method
Apply online

Success Guide

This is a great chance to work with a UK consultancy from the comfort of your home in South Africa. Since it is fully remote, make sure your CV highlights your HVAC design experience and any familiarity with H2X or similar software. The role is with a UK team, so good communication and a reliable internet connection are key. Brush up on your knowledge of UK building services standards if you can, as that will help you stand out. Interviews are likely to focus on your technical design skills and ability to work independently. Be ready to discuss specific projects you have worked on and how you managed deadlines remotely. Good luck!

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