Intermediate / Senior Mechanical Design Engineer

ZipRecruiter; Cardiff; Hybrid; GBP 35,000 - 60,000; Full time

Job summary

A leading M&E business in the low-carbon sector seeks an Intermediate & Senior Mechanical Design Engineer to join their expanding design team in Bristol. This permanent, hybrid opportunity offers competitive salaries, clear career progression, and the chance to contribute to sustainable building services.

Benefits

Clear career progression

Hybrid work flexibility

Competitive salaries

Qualifications

• Experience in mechanical design principles and low-carbon systems is preferred.
• Ability to lead projects and mentor junior engineers.

Responsibilities

• Lead/support mechanical design for projects including plant rooms and energy systems.
• Produce layouts and technical documentation for installations.
• Collaborate with clients and teams to ensure project delivery.

Skills

Mechanical Design

Leadership

Client Interaction

Project Management

Job description

Job Description

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 energy strategies, they’ve positioned themselves as a 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 their 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 plant rooms 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 team leading the way in GSHP system design and low-carbon energy infrastructure.
• A permanent, hybrid role based in Bristol.