Principal Mechanical Engineer

Company: Hoare Lea

Location: Glasgow

Posted: April 11th, 2026

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Talent Acquisition Specialist - Building Services

Principal Mechanical Engineer

Glasgow or Edinburgh

About us

Hoare Lea is a human-centric and planet-conscious engineering consultancy. We offer intelligent and sustainable solutions to complex design challenges for the built environment throughout the UK and further afield.

We provide a wide range of engineering and consultancy services, including acoustics, air quality, building services (MEP), fire, lighting, security and sustainability to name but a few. Together, our highly skilled teams use technical expertise and problem-solving skills to bring buildings to life. We ensure that whatever the building, its design is outstanding, and its operations meet the needs of the communities it serves.

We are as committed to providing an environment where everyone can realise their unique potential. So, in joining Hoare Lea, you will experience a business that enriches your knowledge, supports your wellbeing, and welcomes your individuality. You’ll have the opportunity to participate in our 9-day fortnight scheme, thriving community groups, varied social and networking events, and extensive professional and technical development schemes. We also offer an extensive benefits package, including private medical cover, electric vehicle salary sacrifice scheme, stock options, and up to 30 days of annual leave.

Whatever your ambitions or circumstances, our aim is to enable everyone to develop their knowledge, give their best, and enjoy what they do.

About the role

We have a brand-new opportunity for a Principal Engineer to join our Mechanical team in Scotland. The role can be based in Glasgow or Edinburgh.

It's an exciting time to join our teams in Scotland. Our Glasgow office was established in 2016 to provide a local presence on our projects. It now houses an abundance of key sector expertise and knowledge that supports projects across the UK. The recent opening of our Edinburgh office represents our desire to forge even stronger relationships with our clients in Scotland, by providing a local presence for our East Coast-based projects.

As a Principal Engineer, you will be responsible for supporting and delivering designs for a range of project types and sizes. You will work within a multidisciplinary team of engineers and support staff delivering a consistent high-quality service for clients, ensuring that repeat and new business opportunities are developed and profitability is achieved.

In this key and varied role, you can expect to:

About you

To be successful in this role you’ll need:

How to apply

To apply simply complete a CV profile and submit your application.

If shortlisted, one of our recruitment team will be in touch to arrange a introductory call (about 30 minutes) to discuss the role and your experience in more detail. From there, successful candidates will be invited to attend a panel interview, either via Microsoft Teams or in person at one of our offices.

Adjustments and accommodations

If there are adjustments or accommodations that we can put in place to help you participate and give your best at any stage of the recruitment process (whether relating to disability, neurodivergence or anything else) please let us know.

Data privacy

We have updated our terms and conditions for candidates, click here to find out more.

Recruitment agencies

We have a Preferred Supplier List of trusted partners who assist us when required. We do not acknowledge speculative CVs or unsolicited candidate introductions from agencies not on the list.

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Seniority level

Mid‑Senior level

Employment type

Full‑time

Job function

Project Management, Design, and Engineering

Industries

Construction and Engineering Services

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