Mechanical Technical Engineer

At Bouygues UK, we seek a Mechanical Technical Engineer to support our MEP Unbundled strategy.  This approach will reduce our reliance on the external market supply chain, aiming to ensure better quality, safety, and control over project timelines.

You will assist the Mechanical Technical Manager in the delivery and technical authorisation of Mechanical design information; from prequalification to completion with an emphasis on preconstruction (generally but not limited to RIBA Plan of Work Stages 3 to 6 / BSRIA BG6 Stages 3 to 6). Our MEP project values typically ranging from £5M - £130M.  You will build and lead effective relationships with MEP Consultants, Digital Engineering Coordinators and Specialist CDP Designers to maximise value/opportunity and mitigate risk.

You will be based in London and supporting the design delivery of projects in London and the South East and cover various sectors Healthcare, Residential, Schools, Health and Life Sciences and Data Centres.

Skills Knowledge & Experience

• Experience within a design consultancy / D&B contractor or technical / design management role.


• HND / NVQ in a Mechanical or Building Services subject are preferrable, but we’d also consider people qualified by experience.


• Good experience of design and technical responsibility and relevant sector experience.


• Good understanding of project lifecycle, including RIBA and BSRIA work stages.


• Strong Mechanical Engineering subject matter knowledge with knowledge of contemporary design approaches, technologies and solutions.


• Ability to communicate well at project.


• Good management and collaboration skills.

Key Activities and Accountabilities

• Member of the MEP Unbundled Strategy Core team.


• Support the Mechanical Technical Manager in delivering the design and technical engineering management for allocated project.


• Develop good working relations with the MEP and Digital Engineering Consultants for allocated project.


• Support and provide coaching / mentoring to Junior Technical Engineers.


• Assist in the preparation of MEP consultant appointments.


• Contribute to Designing for Safety and CDM.


• Undertake granular design reviews and manage technical risks and opportunities.


• Monitor and manage MEP design progress.


• Technically review major packages, plant and equipment.


• Validate site installation and system operation against the design.


• Provide technical trouble-shooting support.


• Promote the BYUK policies and Key Values and function as role model in demonstrating behaviours.

Why Bouygues

Our teams deploy technically innovative solutions for a diverse range of challenging projects throughout the UK, Europe, North America, Asia and Australia.  Day in day out our teams deliver some of the most technically innovative and challenging projects across the UK and the world. With a strong corporate culture our values reflect how we operate with Respect, Commitment, Pioneering, Sharing. 

We offer competitive basic salaries coupled with generous company benefits including:

• 26 days annual leave, increasing to 30 days


• 2 paid volunteering days a year


• Pension scheme


• Life insurance


• Private medical insurance


• Generous share scheme


• BY Extra – opt into lifestyle benefits

Bouygues UK is part of the Bouygues Group, a diverse global business which operates in the construction, engineering, energy, media and telecommunications markets. With annual sales of over €56,900 billion (December 2025) and operating in 80 countries, the financial strength of our group is a key differentiator in these challenging economic times.

Be Yourself!

Here at Bouygues Group we value the creativity and innovation that our diverse workforce brings, encouraging people from all backgrounds, particularly those from under represented communities to apply. By joining us, you will be inspired to bring your full self to the workplace, speak up and share your unique ideas. We are an equal opportunities employer and encourages applications from suitably qualified and eligible candidates regardless of gender, race, disability, age, sexual orientation, gender reassignment, religion or belief, marital status, or pregnancy and maternity.