Overview
Mechanical Design Engineer – Salary up to £50K + Benefits - Cardiff
Are you a mechanical design engineer passionate about low-carbon design and sustainable energy? Our client — an innovative engineering consultancy leading the way in heat decarbonisation — is looking for a Mechanical Design Engineer to join their growing team.
You’ll deliver detailed mechanical designs for plant rooms and building services, support major low-carbon heat projects across the UK, and play a key role in shaping efficient, future-ready energy systems.
What you’ll bring
* Experience designing mechanical building services
* Strong understanding of plant rooms, heating, cooling, and distribution systems
* Proficiency with CAD tools (Revit, CAD, SketchUp)
* Ability to collaborate across engineering teams and communicate clearly with clients
* Desirable: experience in low-carbon / renewable systems or working toward Chartership
What you’ll do
* 📐 Develop detailed mechanical designs (RIBA / BSRIA Stages 3–4)
* 📝 Produce drawings, schematics, specifications, and project documentation
* 📊 Complete load calculations, pipework sizing, and technical assessments
* 🏗 Carry out site surveys of existing plant and distribution systems
* 🤝 Support tender reviews and contractor evaluation
* 🧩 Work closely with internal low-carbon specialists to deliver integrated solutions
* 📅 Attend and lead client meetings; manage project tasks and deliverables
* 📚 Support and mentor junior engineers as the team continues to grow
About you
You’re detail-driven, technically sharp, and motivated by delivering high-quality engineering solutions. You enjoy working on complex projects, contributing fresh ideas, and playing a part in the UK’s journey toward low-carbon heating.
This role offers a collaborative environment, meaningful work, and strong opportunities for career development within a respected consultancy.
Join a forward-thinking consultancy driving innovation in low-carbon heat and sustainable mechanical design. Help shape the next generation of energy infrastructure
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