The Team:
Cundall is a global, independent, multi-disciplinary consultancy delivering sustainable engineering and design solutions across the built environment. We operate across 29 locations with over 1,200 engineers and designers who are empowered to act with flexibility and agility in response to the local market conditions and practices. We are 100% owned by Partners working in the practice. We have been named Building’s ‘Engineering Consultant of the Year’ in 2024, 2022, and 2021, priding ourselves on our exemplary track record of designing innovative and sustainable projects.
Established in 2006, our data centre team has been at the forefront of mission-critical design and exceptional in-house engineering services. Collaborating with clients worldwide, we have delivered over 2,000MW of data centre capacity. Our team’s primary objective is to design the world’s most energy efficient, low-emission, and socially responsible data centres leveraging engineering excellence. Our multi-disciplinary engineering-led team takes pride in working closely with clients on every project achieving the highest levels of engineering resilience and excellence. We were named Data Centre Review’s ‘Data Centre Consultancy of the Year’ in 2025.
The Role:
This is an excellent opportunity for an experienced and client-focused Principal Engineer with mechanical experience to join our data centre team in our Frankfurt office. You will play a leading role in ensuring the successful delivery of our design solutions on some of the most notable and large-scale data centre projects in the world.
You will collaborate within our data centre team and work closely with colleagues of various disciplines to help drive and manage the delivery of technically excellent projects.
The role entails you being very closely involved with the design process and production of design deliverables, managing your immediate team of engineers. You will monitor budgets and programme, check designs, and communicate with the wider project and client team.
You will support and be supported by senior staff within the team.

Responsibilities:

• 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.
• Support the technical growth of the mechanical team in Germany.

The Skills:
A Chartered Engineer or working towards Chartership, educated to a degree level in Mechanical Engineering, Building Services or equivalent technical engineering discipline. You will be fluent in English at both a written and speaking level and a strong communicator.
You will have gained significant experience in a consulting engineering role within your engineering field. Whilst data centre experience is preferred this is not essential. In your most recent position, you will have demonstrated your ability to manage small-to-medium scale projects and small teams of engineers to deliver projects.
Job Description
Your career at Cundall

• 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.
• Support the technical growth of the mechanical team in Germany