Senior / Principal Mechanical Engineer

££ Bristol (Hybrid – 3 days office / 2 days home)

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The Opportunity

I’m currently working with a growing and design-led building services consultancy looking to appoint a Senior / Principal Mechanical Engineer to support the delivery of a strong and diverse project portfolio across the South West.

This is a key hire within a close-knit team, offering genuine influence over project delivery, client relationships, and the future direction of the business.

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The Role

You will take a leading role in the design and delivery of mechanical building services across sectors including commercial, residential, education, and retail.

Working closely with senior leadership and clients, you’ll play both a technical and strategic role within the business.

Key responsibilities include:

- Leading mechanical design from concept through to detailed design
- Delivering HVAC, public health, and low-carbon system solutions
- Producing and reviewing calculations, specifications, and technical reports
- Managing and coordinating Revit/BIM design outputs
- Supporting energy modelling and sustainable design strategies
- Attending and leading client and design team meetings
- Mentoring junior engineers and supporting team development
- Ensuring projects are delivered on time and to a high technical standard
- Supporting client relationship management and business development

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Requirements

- Degree qualified in Mechanical or Building Services Engineering
- Proven experience within a building services consultancy environment
- Strong technical capability across mechanical/HVAC design
- Experience delivering projects across a range of sectors
- Proficiency with industry tools (e.g. Revit, IES, Hevacomp)
- Strong communication and client-facing skills
- Chartered or working towards (CIBSE / IMechE) preferred

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Package and Benefits

- Competitive salary (dependent on experience)
- 30 days holiday + bank holidays
- Private healthcare
- Flexible working (3 days office / 2 days home)
- Mobile phone and laptop
- Annual salary reviews

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Why Apply£

This role is ideal for someone looking to step into a senior or leadership position within a growing consultancy, offering:

- Real influence over projects and decision-making
- A collaborative, non-corporate environment
- Strong focus on sustainable and practical design
- Clear opportunity for progression as the business grows