Principal Mechanical Design Engineer
Principal Mechanical Design Engineer

Principal Mechanical Design Engineer

Motherwell Full-Time 48000 - 72000 ÂŁ / year (est.) No home office possible
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At a Glance

  • Tasks: Lead design projects and mentor junior engineers in a hands-on role.
  • Company: Join Bouygues Energies & Services, a global leader in energy and services.
  • Benefits: Enjoy competitive salary, 25 days leave, private medical insurance, and more.
  • Why this job: Be part of innovative projects in critical environments like data centres and cleanrooms.
  • Qualifications: Must have a recognised qualification in mechanical engineering and relevant design experience.
  • Other info: Diversity and inclusion are core values; join a supportive workplace with employee networks.

The predicted salary is between 48000 - 72000 ÂŁ per year.

Bouygues Energies & Services Industry, an Equans Group Company 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 centres, clean rooms, pharmaceutical and other mission‑critical projects.

What you will deliver?

  • Manage and deliver design work throughout design and build projects in collaboration with the project teams and take full accountability for the design of mechanical services for data centres and other mission‑critical projects.
  • Undertake design reviews and appraisals and provide technical advice/assistance to the projects teams.
  • Guide and develop design team members and act as a mentor to assist the development of the team to achieve goals and objectives.
  • Take responsibility for checking calculations and provide monthly design progress reports in each project reporting on technical risks and opportunities.
  • Provide design/technical assessment support of tenders and delivery high‑quality design solutions that address contractual obligations and mitigating technical risk.
  • Be the senior engineer on projects and lead regular design meetings with the project team.
  • Provide engineering support to maintain technical audit trail through design, procurement, installation and commissioning stages.
  • Successful delivery of projects with high‑quality design completed on time and within budget.
  • Delivery of design in line with health and safety requirements.

What can we offer you?

  • 25 days annual leave (+ public holidays)
  • Life Cover equivalent to 4 times annual salary
  • Company Stakeholder Pension Scheme
  • Private Medical Insurance (Family Cover)
  • 2 corporate social responsibility days per year
  • Broad range of learning opportunities, such as professional qualifications, collective/individual training, and personalised support programmes
  • Attractive Employee Referral Rewards Scheme
  • 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), WOMEN TOGETHER (representing women in Equans), Working Parents, and Young Professionals
  • 24/7 Employee Assistance Program and access to mental wellbeing app

Who are we looking for?

  • Recognised qualification in mechanical / building services engineering. i.e. BEng / Meng.
  • Proven experience in mechanical services design in line with appropriate standards, guidance and client’s requirements.
  • Experience of working on multiple projects concurrently and manage and communicate priorities with the team.
  • Experience of developing team members and providing leadership to engineers and designers.
  • An effective decision maker in consultation with projects stakeholders and use judgement to escape the process.
  • Proven experience of undertaking and leading the design of mechanical services, particularly for data centres and other mission‑critical projects.
  • Experience in undertaking and managing specialist design and engineering services – Sustainability & compliance (BREEAM, heat, fume and noise emissions, Part L), mathematical modelling (CFD, FEA, etc.) and services which support our designs.
  • Experience delivering and management of design in line with RIBA plan of work, BSRIA BG6 schedule of services and ISO 19650 requirement up to and inclusive of RIBA Stage 5.
  • Experience working with typical design and build contracts, JCT, NEC, MF1 and others.

Who are we?

Equans, a subsidiary of the Bouygues group, is a world leader in the energy and services sector with operations in 20 countries, 90,000 employees working on 5 continents and a turnover of 19.2 billions euros in 2024.

Bouygues Energies & Services Industry, a Equans Group company, specialise in executing technically challenging, time sensitive projects in critical environments: cleanrooms, laboratories, industrial plants, and data centres. With over 50 years of experience, we offer our clients seamless consulting and engineering solutions through an in‑house design, build, operate and maintain delivery model.

Day in, day out, our teams deliver some of the most technically innovative and challenging projects. We offer competitive basic salaries with generous company benefits.

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.

At Bouygues Energies & Services Industry, a Equans Group Company 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 Bouygues Energies & Services 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.

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Principal Mechanical Design Engineer employer: Equans

At Bouygues Energies & Services Industry, an Equans Group Company, we pride ourselves on being an exceptional employer in Motherwell, offering a dynamic work culture that fosters innovation and collaboration. Our commitment to employee growth is evident through extensive learning opportunities, mentorship programmes, and a supportive environment that values diversity and inclusion. With competitive salaries, comprehensive benefits, and a focus on meaningful projects in critical environments, we provide a rewarding career path for those looking to make a significant impact in the engineering field.
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Contact Detail:

Equans Recruiting Team

StudySmarter Expert Advice 🤫

We think this is how you could land Principal Mechanical Design Engineer

✨Tip Number 1

Network with professionals in the mechanical design engineering field, especially those who have experience in data centres and mission-critical projects. Attend industry events or join relevant online forums to connect with potential colleagues and learn about the latest trends.

✨Tip Number 2

Familiarise yourself with the specific design standards and regulations mentioned in the job description, such as BREEAM and ISO requirements. This knowledge will not only help you in interviews but also demonstrate your commitment to quality and compliance.

✨Tip Number 3

Prepare to discuss your leadership and mentoring experiences in detail. Think of specific examples where you've guided junior engineers or led a project team, as this role requires strong leadership skills.

✨Tip Number 4

Research Bouygues Energies & Services Industry and their recent projects. Understanding their work culture and values will help you align your responses during interviews and show that you're genuinely interested in being part of their team.

We think you need these skills to ace Principal Mechanical Design Engineer

Mechanical Design Engineering
Project Management
Team Leadership
Technical Mentoring
Design Review and Appraisal
Data Centre Design
Building Services Engineering
Compliance with BREEAM and ISO Standards
Mathematical Modelling (CFD, FEA)
Health and Safety Regulations
Effective Communication Skills
Decision-Making Skills
Experience with JCT, NEC, and MF1 Contracts
Ability to Manage Multiple Projects
Technical Risk Assessment

Some tips for your application 🫡

Tailor Your CV: Make sure your CV highlights relevant experience in mechanical design, particularly in data centres and mission-critical projects. Use specific examples that demonstrate your leadership and mentoring skills.

Craft a Strong Cover Letter: In your cover letter, express your enthusiasm for the role and the company. Mention how your qualifications align with the job requirements, especially your experience with mechanical services design and project management.

Highlight Relevant Qualifications: Clearly state your qualifications, such as your BEng or Meng in mechanical/building services engineering. Include any certifications related to sustainability and compliance, as these are important for the role.

Showcase Leadership Experience: Provide examples of how you have developed team members and led design projects. This is crucial for the Principal Mechanical Design Engineer position, so make sure to highlight your decision-making skills and ability to manage multiple projects.

How to prepare for a job interview at Equans

✨Showcase Your Technical Expertise

As a Principal Mechanical Design Engineer, it's crucial to demonstrate your deep understanding of mechanical services design. Be prepared to discuss specific projects you've worked on, the challenges you faced, and how you overcame them. Highlight your experience with data centres and mission-critical projects.

✨Emphasise Leadership Skills

This role involves mentoring junior engineers, so be ready to share examples of how you've successfully led teams in the past. Discuss your approach to developing team members and how you foster collaboration within project teams.

✨Prepare for Design Reviews

Expect to engage in discussions about design reviews and appraisals during the interview. Brush up on your knowledge of relevant standards and guidelines, and be ready to provide insights on how you ensure high-quality design solutions that meet contractual obligations.

✨Understand Health and Safety Regulations

Since delivering designs in line with health and safety requirements is essential, make sure you are familiar with the relevant regulations. Be prepared to discuss how you incorporate these considerations into your design process and project management.

Principal Mechanical Design Engineer
Equans
Location: Motherwell

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