Cundall
Principal Mechanical Critical Systems Engineer
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Principal Mechanical Critical Systems Engineer
Principal Engineer (Mechanical) – Data Centres
About the Team
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 align our expertise with local market needs to deliver resilient, low-carbon engineering solutions.
Proudly 100% partner-owned, we have been recognised as:
- Engineering Consultant of the Year (Building Magazine) in 2024, 2022, and 2021
- Data Centre Consultancy of the Year (Data Centre Review) in 2025
- Ranked in the Top 10 (Data Centre Magazine) for 2023
As part of our dedicated data centre team—established in 2006 and delivering over 2,000MW of capacity worldwide—you will join a specialist team driving innovation and excellence in high-profile global projects.
About the Role
We’re seeking an experienced and client-focused Principal Engineer specialising in mechanical design to join our data centre team.
You will bring strong technical expertise (without needing prior data centre experience) and contribute to:
- High-profile data centre projects globally
- Technical strategy development
- Client engagement, design reviews, and delivery leadership
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Our DC101 programme will provide structured mentorship, technical training, and career growth support as you transition into this specialist sector.
Responsibilities
- Deliver accurate mechanical design solutions, including:
- HVAC/Fridge (Air-conditioning)
- Chilled water systems
- Ventilation
- Equipment selection
- Public health & building management systems
- Produce mechanical designs for HVAC, public health, and building management systems
- Prepare technical specifications, schedules, calculations, project reports, and supporting documentation
- Conduct site inspections and surveys to inform design development
- Develop and coordinate detailed design solutions in collaboration with multi-disciplinary teams
- Contribute to internal/external project meetings, providing technical expertise and progress updates
- Assist with fee proposals and business development activities
- Support junior engineers’ careers through mentorship
- Work with regional and international offices to deliver projects efficiently
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Requirements & Qualifications
Essential
- A degree in Mechanical Engineering, Building Services Engineering, or a related technical discipline
- A consulting engineering background, seeking a role with greater responsibility and impact
- Strong initiative, problem-solving, and collaborative mindset
- Open to growth—no prior data centre experience required; mentoring available
Ideal
- Chartered status (or working towards it)
- Experience in high-tech consulting environments
Support Offered
- DS101 programme: Comprehensive technical training & mentorship for transition into data centres
- Career development & progress tracking
Job Description
🔗 Your career at Cundall – Critical Systems
Our Commitment to Inclusivity
We believe a diverse workforce underpins a powerful, inclusive culture—enabling all employees to thrive. We positively welcome applications from people of all backgrounds and identities, actively supporting and celebrating diverse perspectives.
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