Principal Electrical Critical Systems Engineer

Principal Electrical Critical Systems Engineer

Full-Time 36000 - 60000 £ / year (est.) No working from home possible
Cundall Johnston & Partners LLP

At a Glance

  • Tasks: Design and develop electrical systems for high-profile data centre projects.
  • Company: Global consultancy known for sustainable engineering solutions and award-winning culture.
  • Benefits: Competitive salary, career development support, and a diverse, inclusive work environment.
  • Other info: Mentorship and training provided through our DC101 programme for new joiners.
  • Why this job: Join a leading team and make an impact in the exciting data centre industry.
  • Qualifications: Degree in Electrical Engineering or related field; consulting experience preferred.

The predicted salary is between 36000 - 60000 £ 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 electrical design experience to join our data centre team. You will have excellent electrical 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

  • Produce electrical designs, including schematic diagrams, layouts, and technical calculations.
  • Prepare technical specifications, calculations, schedules, project reports, and supporting documentation.
  • Conduct site inspections and surveys to inform and validate design development.
  • Develop detailed and coordinated design solutions in collaboration with multi-disciplinary teams.
  • Contribute to internal and external project meetings, providing electrical 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 Electrical 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 Electrical Critical Systems Engineer employer: Cundall Johnston & Partners LLP

Cundall Johnston & Partners LLP is an exceptional employer located in the vibrant Greater London area, offering a dynamic work culture that fosters innovation and collaboration. With a strong commitment to employee development, you will have ample opportunities for growth while working on cutting-edge projects across diverse sectors, including smart buildings and sustainable design. Our inclusive environment values unique perspectives, ensuring that every team member can contribute meaningfully to impactful solutions.

Cundall Johnston & Partners LLP

Contact Details:

Cundall Johnston & Partners LLP Recruitment Team

StudySmarter Expert Advice🤫

We think this is how you could land Principal Electrical Critical Systems Engineer

Network Like a Pro

Get out there and connect with people in the industry! Attend events, join online forums, or even hit up LinkedIn. The more you engage, the better your chances of landing that Principal Engineer role.

Show Off Your Skills

When you get the chance to chat with potential employers, don’t hold back! Share your past projects and how your electrical design experience can benefit their data centre team. We want to see your passion and expertise shine through!

Ask Questions

During interviews or networking chats, ask insightful questions about the company’s projects and culture. This shows you’re genuinely interested and helps you figure out if it’s the right fit for you. Plus, it gives you a chance to showcase your knowledge!

Apply Through Our Website

Don’t forget to apply directly through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who take that extra step to connect with us directly.

We think you need these skills to ace Principal Electrical Critical Systems Engineer

Electrical Design
Consulting Engineering
Technical Calculations
Schematic Diagrams
Project Reporting
Site Inspections
Multi-disciplinary Collaboration

Some tips for your application 🫡

Tailor Your CV:Make sure your CV reflects the skills and experiences that align with the Principal Electrical Critical Systems Engineer role. Highlight your electrical 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 excited about this role and how your background makes you the perfect candidate. Be sure to mention your problem-solving skills and collaborative mindset, as these are key traits we value at StudySmarter.

Showcase Your Technical Expertise:In your application, don’t shy away from showcasing your technical skills. Whether it's electrical designs or project management, let us know how your expertise can contribute to our high-profile data centre projects. We love seeing candidates who are passionate about their work!

Apply Through Our Website:We encourage you to apply directly through our website. It’s the easiest way for us to receive your application and ensures you’re considered for the role. Plus, it shows us you’re keen to join our team at StudySmarter!

How to prepare for a job interview at Cundall Johnston & Partners LLP

Know Your Electrical Design Inside Out

Make sure you brush up on your electrical design principles and be ready to discuss specific projects you've worked on. Highlight your experience with schematic diagrams, layouts, and technical calculations, as these will be crucial in the role.

Showcase Your Consulting Experience

Prepare examples of how you've engaged with clients in previous roles. Be ready to discuss how you've shaped technical strategies and contributed to project planning, as this will demonstrate your client-focused approach.

Emphasise Collaboration Skills

Since this role involves working with multi-disciplinary teams, think of instances where you've successfully collaborated with others. Share how you’ve contributed to team success and how you plan to support junior engineers in their development.

Be Ready for Technical Questions

Expect some technical questions related to electrical engineering and data centre design. Brush up on current trends in low-carbon engineering solutions and be prepared to discuss how you can apply your knowledge to their projects.