PT Renewables 🌳
Mechanical Design Engineer (Building Services)

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🔧 Mechanical Design Engineer | Cardiff | £45k–£55k
Ready to take ownership of mechanical designs from concept through to delivery?
An established Building Services consultancy is looking for a Mechanical Design Engineer to join their Cardiff team, working across commercial, industrial, education and public-sector projects. Ideal for an Intermediate to Senior Engineer with a strong MEP background.
🔧 The role
- Design HVAC, heating, ventilation & public health systems
- Produce calculations, specifications & technical reports
- Develop & coordinate designs using Revit
- Work with electrical, structural & architectural teams
- Take projects from concept through to construction
- Attend design meetings & liaise with clients
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I’m in my final year doing Economics and I don’t know whether to apply for grad schemes now or do a masters first. What do you think?
Honest answer — it depends on where you want to end up. A lot of top grad schemes (Big 4, civil service, banking) don’t need a masters. Let’s look at the ones you’d be competitive for now, and we can decide if a masters actually adds anything.
Also worth knowing: most autumn 2026 applications are open now. Timing matters more than you think.
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Graduate Consultant — 2026 Scheme
Why you're a good match
StrongYour economics background and your summer at a regional bank line up with what PwC looks for on the consulting scheme. Applications close in four weeks.
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Why you're a good match
You’ve got the grades and the economics background, and your bank internship is exactly the experience this scheme looks for. Apply soon — deadlines close within the month.
Experience fit
Your summer at the bank plus your econometrics coursework map directly to the day-one responsibilities on this scheme — client modelling, market briefings, and deal support.
Only hits
No noise. No "maybe this fits." Just roles with a clear explanation of why they're right — and where to focus when applying.
👷 What we're looking for ✔️ Mechanical Building Services Design experience ✔️ Strong HVAC / MEP knowledge ✔️ Confident with Revit ✔️ Experience with Hevacomp, MagiCAD, IES VE or similar ✔️ Strong mechanical calculation & design knowledge ✔️ Degree, HND or equivalent
💰 What's on offer? £45,000–£55,000
🏗️ Varied & technically interesting projects
📈 Clear progression towards Senior / Principal Engineer
📚 Technical & professional development
🎓 Support towards professional accreditation
🤝 Established consultancy with a strong project pipeline


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📍 Cardiff | Permanent | Full-time
If you're a Mechanical Design Engineer looking for more ownership, varied projects and a clear progression path, get in touch.
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