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The Team

Cundall's Building Services Engineering team exists to make buildings dramatically more energy-efficient, sustainable and cost-effective to operate. We're proud of our track record of designing innovative, low-carbon mechanical and electrical solutions that minimise the use of natural resources across some of the UK's most significant and complex projects.

You'll join a world-class team that takes skills development seriously - offering mentorship, collaborative working, and clear pathways to Chartership and career progression. Specialists in mechanical, electrical, public health and specialist services work side-by-side, meaning you'll always have expert colleagues to learn from and collaborate with.

Based in the heart of Edinburgh, our large, vibrant office is easy to reach by public transport and surrounded by great amenities. More than that, it's a place people genuinely love to work - thanks to a strong team ethos, a collaborative work culture, and a social environment that brings people together.

The office itself is a statement of our values: designed to be completely free of fossil fuels, following zero-carbon and circular economy principles. This commitment earned us the British Council for Offices Scotland's prestigious Environmental, Social and Governance (ESG) Award in 2026 - recognition we're extremely proud of.

The Role

If you want your engineering to genuinely matter - shaping buildings that use less energy, generate less carbon, and improve lives for decades - this is the opportunity you've been waiting for. Cundall's Edinburgh team is at the forefront of low-energy design in the UK and internationally, and we're looking for a Senior Mechanical Engineer to help lead the charge.

You'll be trusted with real engineering responsibility from day one: leading mechanical design on diverse, high-profile projects from inception through to handover, and playing a central role in a collaborative, multi-disciplinary team that is serious about sustainability.

You will gain exposure to a diverse range of sectors, including Education, Healthcare, Government, Rail, Workplace, Residential, Critical Systems, and Defence, providing the opportunity to contribute to a variety of impactful projects and develop broad industry experience.

Whether you're a confident senior practitioner ready to take the next step, or a rising engineer who has demonstrated they're capable of more - we want to hear from you.

You will take ownership of the full mechanical design lifecycle - from early-stage concept through detailed design, specification and site handover - across a rich variety of building types and client profiles.

• Lead the design of mechanical building services: heating, ventilation, cooling, water services, drainage and automated controls
• Drive projects from inception to handover, making confident, well-reasoned engineering decisions independently
• Produce high-quality drawings, specifications and equipment schedules using industry-standard tools (AutoCAD, Revit)
• Carry out engineering calculations and analyses using recognised design principles and software
• Coordinate building services designs with structural, architectural and other engineering disciplines within the wider design team
• Represent Cundall professionally in client meetings, design team workshops and contractor discussions
• Monitor installation quality on site, manage snagging, and lead handover procedures
• Prepare clear, client-focused technical reports and support Principals and Associates with production information
• Critically evaluate and champion engineering solutions that align with decarbonisation and passive design principles

The Skills

We're looking for engineers who combine technical rigour with genuine curiosity. You'll be comfortable working autonomously on smaller commissions and as a collaborative team member on large, complex projects.

• At least 4 years' experience in a professional building services design consultancy
• A degree (or equivalent) in Mechanical, Building Services or Architectural Engineering
• A thorough understanding of RIBA Design stages and the level of information required at each gateway
• Proficiency in AutoCAD, Revit and the Microsoft Office suite
• A genuine passion for low-energy architecture, passive design strategies, and decarbonisation
• Membership of a relevant professional engineering institute (preferred) - or active progress toward it
• An interest in digital engineering and AI-assisted tools that improve project efficiency and accuracy

We know that to be the best at what we do we need a diverse workforce underpinned by an inclusive culture. Creating environments where everyone can find joy doing their best work is also great for everyone. That's why we positively welcome applications from people of all backgrounds and identities, and encourage, support, and celebrate the diverse voices of our people.