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Senior mechanical design engineer (building services)

London
Hays
Mechanical design engineer
Posted: 2 March
Offer description

Are you ready to elevate your career with a consultancy that’s shaping the future of the built environment?

Caldwell Consulting, a renowned name in building services engineering, is seeking a Senior Mechanical Design Engineer to join their dynamic Central London team. With a portfolio that spans high-profilemercial, residential, mixed-use developments, hotels, and student amodation, this is your chance to work on projects that truly make an impact.

Your newpany
Caldwell Consulting is an independent, full-service engineering firm delivering innovative mechanical, electrical, and public health solutions across the UK and Ireland. Their work enhances lives through smart, sustainable design—partnering with industry leaders to create spaces that inspire.

Recent projects include:
1. Premier Inn Wembley Arena and Hub by Premier Inn King’s Cross
2. Brentford Lock West and Palace View, Lambeth residential schemes
3. The Cursitor Building, Yalding House, and 73 Great Peter Street in London
4. Mixed-use developments like Terrace Mount Bournemouth and Premier Inn & Class A Office Maidenhead
Your new role
As a Senior Mechanical Design Engineer, you’ll lead the design and delivery of mechanical systems for landmark developments. You’ll collaborate with architects, clients, and multidisciplinary teams to produce high-quality, sustainable solutions that meet and exceed expectations.

You’ll be responsible for:
5. Designing HVAC, heating, cooling, and ventilation systems formercial and residential buildings
6. Managing project timelines, budgets, and client relationships
7. Mentoring junior engineers and contributing to technical excellence
8. Driving innovation and sustainability across all stages of design

What you'll need to succeed
9. Proven experience in mechanical building services design (ideally 5+ years)
10. Strong technical knowledge of HVAC systems and UK building regulations
11. Proficiency in design tools such as AutoCAD, Revit, and IES
12. A degree in Mechanical Engineering or Building Services Engineering
13. Passion for delivering outstanding engineering solutions

What you'll get in return
14. Apetitive salary up to £70,000 DOE
15. The chance to work on career-defining projects in Central London
16. A collaborative, forward-thinking team environment
17. Real progression opportunities and support for professional development
18. Exposure to a wide variety of sectors and design challenges

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