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Intermediate & Senior Mechanical Design Engineer – Bristol
A well-established and nationally recognised M&E business specialising in low-carbon building services is growing its complex mechanical design team in Bristol. With an expanding portfolio of sustainable HVAC and renewable energy systems delivered across residential, commercial, and mixed-use developments, the business is committed to leading the industry in net-zero building services and design excellence.

From designing landmark developments in London to advising Senior Government officials on national energy strategies, they’ve positioned themselves as market leader in the low-carbon engineering space. Now, with ambitious plans to triple the size of their design team over the next five years, and backed by a £70 million investment, they are strengthening their presence in Bristol and seeking driven engineers to join the mission.

The Intermediate & Senior Mechanical Design Engineer Opportunity:
We are recruiting for an Intermediate and Senior Mechanical Design Engineer for a permanent, full-time role based in Bristol, with hybrid flexibility (2–3 days per week in the office).

* Intermediate Mechanical Engineer: A chance to develop technical skills within detailed designs whilst also beginning to lead on own projects.

* Senior Mechanical Engineer: A strong client-facing element with leadership on flagship projects. Offers a chance to mentor and support Junior and Intermediate engineers.

Key Responsibilities:

* Leading/supporting the mechanical design of plantrooms and ground source heat pump systems for residential and commercial projects.

* Produce detailed design layouts, schematics, and technical documentation for installations, including plant rooms, energy centres, and low-temperature heating systems.

* Collaborate with clients, consultants, and internal teams to ensure smooth project delivery from concept through to completion.

What We Offer:

* Competitive salaries:

* Intermediate: £35,000 – £45,000

* Senior: £45,000 – £60,000

* Clear routes for career progression and leadership development

* Be part of a national team leading the way in GSHP system design and low-carbon energy infrastructure

* A permanent, hybrid role based in Bristol