Principal Mechanical Engineer (Data Centres)

Senior / Principal Mechanical Engineer – Data Centres

London | Join one of the UK's leading mission critical engineering teams

A highly regarded international engineering consultancy is seeking a Senior or Principal Mechanical Engineer to join its expanding Data Centre and Critical Facilities team in London.

This is an excellent opportunity to work on some of the world's most technically challenging mission critical developments, supporting global hyperscale providers, developers, colocation operators and enterprise clients across the UK, Europe, India and Africa.

The business is recognised for its collaborative culture, technical excellence and commitment to innovation, offering engineers the opportunity to work on industry-leading projects while developing long-term careers within a multidisciplinary environment.

The Role

This position offers a genuine pathway into technical and project leadership, with the opportunity to lead the mechanical design of complex data centre projects from concept through commissioning.

Working as part of an integrated team of engineers, architects and specialist consultants, you'll help deliver innovative, sustainable and resilient facilities while mentoring junior engineers and developing strong client relationships.

Alongside data centres, you'll also have opportunities to contribute to other critical environments including healthcare, broadcasting and specialist industrial facilities.

Key Responsibilities

• Lead the mechanical design of mission critical and data centre projects.
• Develop innovative low-energy, low-water cooling strategies and resilient mechanical systems.
• Coordinate multidisciplinary design activities throughout all project stages.
• Produce and review engineering calculations, specifications, reports and technical documentation.
• Oversee the development of BIM models and detailed design information.
• Support testing, commissioning and successful project delivery.
• Mentor and develop junior engineers.
• Work closely with clients, contractors and design teams to deliver high-quality engineering solutions.

About You

You'll be an experienced Building Services Mechanical Engineer with a strong background in data centres or other mission critical environments.

Ideally, you'll have:

• Chartered Engineer status (or be close to achieving chartership through CIBSE or IMechE).
• Experience delivering projects through all stages of design and construction.
• Strong knowledge of data centre cooling systems, chilled water design and mechanical infrastructure.
• Experience with PUE/WUE optimisation, resilience strategies and Tier classifications.
• Understanding of testing and commissioning within mission critical environments.
• Commercial awareness with experience managing project resources and programme delivery.
• Proficiency with industry-standard software, including IES, Revit and CFD modelling (such as 6Sigma).

What's on Offer

This is an opportunity to join one of the sector's most respected engineering consultancies, working on some of the largest and most innovative data centre developments in the market.

You'll benefit from:

• Exposure to landmark international projects.
• A collaborative multidisciplinary environment with industry-leading technical specialists.
• Clear progression towards Principal, Associate and leadership roles.
• Ongoing investment in technical training, innovation and professional development.
• A competitive salary and comprehensive benefits package, including private healthcare, life assurance, income protection, performance-related rewards and flexible benefits.
• The chance to help shape the future of sustainable, mission critical infrastructure.

If you're looking to take the next step in your career and work on projects at the forefront of the global data centre market, we'd welcome a confidential conversation.