Senior/Principal Mechanical Engineer (Data Centres)

Are you an experienced Mechanical Engineer looking to take a leading role in the design of some of the world’s most advanced data centre facilities?

At Black & White Engineering, you’ll join a team at the forefront of mission-critical infrastructure design, delivering hyperscale and colocation data centres for leading global technology clients. Based in Milan, you’ll play a key role in shaping resilient, efficient and sustainable mechanical systems that support the critical environments powering today’s digital economy.

As a Senior or Principal Mechanical Engineer, you’ll provide technical leadership across complex projects, influencing design decisions from concept through to delivery. Working alongside multidisciplinary teams, you’ll help deliver innovative cooling, ventilation and thermal management solutions that support the operational demands of modern data centres.

What You’ll Be Doing

• Lead the design and delivery of mechanical building services systems for mission-critical projects.
• Develop and review technical calculations, specifications and engineering reports.
• Design HVAC, cooling, ventilation and water-based systems for hyperscale and colocation data centres.
• Coordinate with electrical, structural and architectural disciplines to deliver integrated solutions.
• Attend client meetings and provide technical guidance throughout project lifecycles.
• Mentor junior engineers and support technical development across the team.
• Drive innovation and engineering excellence while ensuring compliance with relevant standards and best practices.

Essential Skills

• Degree qualified in Mechanical Engineering or a related discipline.
• Significant experience delivering mechanical building services design projects.
• Strong understanding of HVAC, chilled water, cooling and ventilation systems.
• Experience leading multidisciplinary design teams and managing stakeholder relationships.
• Data centre or mission-critical project experience is advantageous.
• Excellent communication and technical leadership skills.

Why Join Black & White Engineering?

• Work on industry-leading hyperscale and colocation data centre projects.
• Collaborate with some of the most respected engineers in the mission-critical sector.
• Access ongoing learning and professional development opportunities.
• Enjoy genuine career progression within a fast-growing international consultancy.
• Be part of a collaborative culture built on Accountability, Integrity, Simplicity and Supportiveness.

Learning & Development

You will be joining a community that focuses on learning and development through regular lunch and learn sessions and investment in accredited professional courses or educational programmes. You can set the pace for your professional development, and whatever path you choose, you will receive relevant support.

Company Overview

Black & White Engineering is a multi-award-winning engineering consultancy with offices across the UK, Europe, the Middle East and Asia Pacific.

We are a leading provider of engineering design services for the data centre sector, delivering expertise across Mechanical, Electrical and Plumbing (MEP), Civil and Structural, Power Systems, Sustainability, BIM, Design Management and wider specialist infrastructure disciplines.

Our teams support projects across all areas of the construction industry, offering practical, efficient design solutions that prioritise real-world installation, maintenance and operational performance.

As one of the fastest-growing consultancies in our industry, we offer genuine opportunities for progression. Many of our engineers have developed into leadership roles as the business has expanded. Joining Black & White Engineering means making a meaningful impact with clients and colleagues while receiving the recognition you deserve.