Principal Mechanical Design Engineer

Company: EQUANS

Location: Motherwell

Posted: April 8th, 2026

Overview

Equans Sci-Tech is recruiting a Principal Mechanical Design Engineer to work in a design team, delivering technical services at bid, design, installation and commissioning phases.

The Principal Mechanical Design Engineer will lead high profile projects and mentor more junior engineers. This is a hands-on role which will focus on the delivery and management of design and technical support services to data centers, clean rooms, pharmaceutical and other mission critical projects.

What you will deliver

What can we offer you?

On offer is a competitive salary, car or car allowance and benefits package, which includes;

Who are we looking for?

Who are we?

Equans Sci-Tech is a specialist partner for mission-critical environments - cleanrooms, laboratories and manufacturing plants, providing a fully integrated, single-source approach to define, design and deliver advanced facilities with absolute certainty.

Our lifecycle management mindset and value engineering model ensure cost certainty, faster speed to market, and long-term ROI. From strategic consultation and compliant, sustainable, technology-agnostic designs to seamless delivery, handover and ongoing optimisation, we create future-proof technical facilities and drive unmatched business outcomes.

Backed by deep expertise, collaborative engagement and a culture of continuous knowledge development, we guarantee reliable, innovative solutions that support safety, sustainability and long-term success.

What’s Next

If this role is of interest to you, please click below to register, apply, and track your progress! A member of our Resourcing Team will review your application and be in touch.

As part our commitment to better reflect the markets within which we operate, we encourage applications from women, ethnically diverse individuals and people with disabilities, along with all candidates who identify with protected characteristic groups under the Equality Act 2010.

At Equans we’re committed to delivering a culture where everyone’s voice is heard and supported. We know the value a diverse workforce creates, delivering better results for our people, customers, and stakeholders. Diversity and inclusion is at the core of what we do, should you join Equans you’ll find a welcoming and open workplace where you’re supported and encouraged to be your true self at work.

You’ll also have access to our growing employee networks including AccessAbility (representing those with physical and mental disabilities), Encompass (representing the LGBTQ+ community), RISE (representing people from ethnic backgrounds), Veterans & Reservists, WOMEN Together (representing women in Equans), Working Parents, and Young Professionals.

For this role, you must have evidence of the right to work in the UK. Unfortunately, we are not able to offer a re-location package with this job role. Certain roles may require applicants to undergo a Disclosure check, as noted in the role requirements.

The EQUANS Resourcing Team supports this job advert. Agency involvement is not required. All related enquiries must come to the resourcing team not direct to Bouygues Energies & Services and EQUANS Managers.

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