Senior / Principal Mechanical Engineer

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 & Benefits

• Competitive salary (dependent on experience)
• 30 days holiday + bank holidays
• Private healthcare
• Flexible working (3 days office / 2 days home)
• Mobile phone & 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