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For Companies At a Glance
- Tasks: Lead mechanical design for high-profile data centre projects and collaborate with a dynamic team.
- Company: Award-winning consultancy known for sustainable engineering solutions and a supportive culture.
- Benefits: Career development support, inclusive environment, and opportunities to work on innovative projects.
- Why this job: Join a leading team and make a real impact in the exciting data centre industry.
- Qualifications: Degree in Mechanical Engineering or related field; consulting experience preferred.
- Other info: Diverse workforce encouraged; mentorship available through our DC101 programme.
The predicted salary is between 43200 - 72000 £ per year.
We are a global, independent, multi-disciplinary consultancy delivering sustainable engineering and design solutions across the built environment. With over 1,200 engineers and designers across 29 locations, we apply our expertise to local market conditions to deliver resilient, low-carbon engineering solutions. We are 100% partner-owned and are proud to have been named Building Magazine’s Engineering Consultant of the Year in 2024, 2022, and 2021.
As part of this role, you will be joining our dedicated data centre team. Established in 2006, we have delivered over 2,000MW of capacity for our clients worldwide. In 2025, we were named Data Centre Consultancy of the Year by Data Centre Review and were ranked in the Top 10 by Data Centre Magazine in 2023.
The Role
We’re looking for an experienced and client-focused Principal Engineer with mechanical design experience to join our data centre team. You will have excellent mechanical design and consulting experience, ideally from a highly technical background. Your previous project experience will demonstrate an ability to transition into our data centre sector. You do not need previous data centre experience to apply. Our data centre specialist designers will mentor you as you enter our internal DC101 programme. This will give all new joiners the skills, context, and mentors to successfully transition into the sector and grow your career in this exciting industry.
You’ll play a leading role in some of the most high-profile data centre projects in the world. As part of our collaborative, multi-disciplinary team, you will drive the delivery of regional and global data centre projects. As part of the role, you’ll be engaging directly with clients, shaping technical strategies, as well as reviewing and developing designs for our projects. You’ll be trusted to take ownership of your work while being supported by a team of experienced engineers.
As a Principal, you’ll also support the development of junior engineers, as well as contribute to project planning and fee proposals. In a leading role, you’ll help bring your technical expertise to the market and shape the direction of our growing team.
Responsibilities
- Deliver accurate mechanical design solutions including HVAC air-conditioning, chilled water, ventilation, equipment selections, public health, and building management services systems.
- Produce mechanical designs, including HVAC and public health and building management services systems.
- Prepare technical specifications, schedules, calculations, project reports, and supporting documentation.
- Conduct site inspections and surveys to inform design development.
- Develop detailed and coordinated design solutions in collaboration with multi-disciplinary teams.
- Contribute to internal and external project meetings, providing mechanical expertise and updates.
- Assist with fee proposals and business development activities as required.
- Collaborate with colleagues across regional and international offices on project delivery.
The Skills
We’re looking for a qualified engineer educated to a degree level in Mechanical Engineering, Building Services Engineering, or a related technical discipline. You may be Chartered or working towards it, either way, we’ll support your career path. You’ll have gained experience in a consulting engineering role and now looking to take this into a new challenge with greater responsibility and impact. We value engineers who bring initiative, problem-solving, and a collaborative mindset to their work.
You don’t need previous data centre experience. Our DC101 programme has been designed to provide in-depth technical training alongside your projects to ensure new joiners can succeed in the industry. This programme has led to multiple award wins and nominations for talent development across the data centre sector.
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.
Principal Mechanical Critical Systems Engineer employer: Cundall Johnston & Partners LLP
Contact Detail:
Cundall Johnston & Partners LLP Recruiting Team
StudySmarter Expert Advice 🤫
We think this is how you could land Principal Mechanical Critical Systems Engineer
✨Tip Number 1
Network like a pro! Reach out to your connections in the industry and let them know you're on the lookout for opportunities. A friendly chat can lead to referrals or insider info about job openings.
✨Tip Number 2
Prepare for interviews by researching the company and its projects. Familiarise yourself with their recent work, especially in data centres, so you can impress them with your knowledge and enthusiasm during the interview.
✨Tip Number 3
Showcase your skills through practical examples. Be ready to discuss specific projects you've worked on, highlighting your mechanical design experience and how it relates to the role of Principal Engineer.
✨Tip Number 4
Don't forget to apply through our website! It’s the best way to ensure your application gets noticed. Plus, we love seeing candidates who take that extra step to connect with us directly.
We think you need these skills to ace Principal Mechanical Critical Systems Engineer
Some tips for your application 🫡
Tailor Your CV: Make sure your CV reflects the skills and experiences that align with the Principal Mechanical Critical Systems Engineer role. Highlight your mechanical design experience and any relevant projects you've worked on, as this will show us you're a great fit for our data centre team.
Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to tell us why you're passionate about joining our team and how your background makes you the ideal candidate. Be sure to mention your problem-solving skills and collaborative mindset, as these are key traits we value.
Showcase Your Technical Expertise: In your application, don’t shy away from detailing your technical skills. Whether it's HVAC systems or building management services, let us know how your expertise can contribute to our projects. We love seeing candidates who can bring their knowledge to the table!
Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you're proactive and keen to join our amazing team at StudySmarter!
How to prepare for a job interview at Cundall Johnston & Partners LLP
✨Know Your Mechanical Design Inside Out
Make sure you brush up on your mechanical design principles, especially in HVAC and public health systems. Be ready to discuss your previous projects in detail, highlighting your problem-solving skills and how you've tackled challenges in your designs.
✨Showcase Your Collaborative Spirit
This role involves working with multi-disciplinary teams, so be prepared to share examples of how you've successfully collaborated with others in past projects. Highlight your ability to communicate effectively and how you’ve contributed to team success.
✨Understand the Data Centre Landscape
Even if you don’t have direct data centre experience, do some research on current trends and challenges in the industry. Familiarise yourself with the DC101 programme and be ready to discuss how you can leverage your existing skills in this new context.
✨Prepare Questions for Your Interviewers
Interviews are a two-way street! Prepare thoughtful questions about the company’s projects, culture, and the support they provide for career development. This shows your genuine interest in the role and helps you assess if it’s the right fit for you.
