Principal Mechanical Critical Systems Engineer

Overview

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.

As part of this role, you will be joining our dedicated data centre team, established in 2006 and responsible for delivering over 2,000 MW of capacity worldwide.

We’re looking for an experienced, 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, even if you have no prior data centre experience. Our specialist designers will mentor you through our DC101 programme to develop the necessary skills.

You’ll play a leading role on some of the world’s most high‑profile data centre projects, driving the delivery of regional and global projects, engaging directly with clients, shaping technical strategies, and reviewing and developing designs. You’ll support junior engineers, contribute to project planning and fee proposals, and help shape the direction of the growing team.

• 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.

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 should have gained experience in a consulting engineering role and be ready to take on a new challenge with greater responsibility and impact. We value initiative, problem‑solving and a collaborative mindset.

We positively welcome applications from people of all backgrounds and identities, and encourage, support and celebrate the diverse voices of our people. We are an equal opportunity employer; all qualified applicants will receive consideration for employment without regard to race, colour, religion, sex, national origin, disability, veteran status or any other protected characteristic.