Principal Mechanical Engineer

Exceptional mechanical design plays a critical role in the performance, efficiency and reliability of modern data centres. As a Principal Mechanical Engineer at Black & White Engineering, you'll lead the development of sophisticated cooling and mechanical infrastructure solutions that support some of the most advanced facilities being built today. You will act as a technical authority across complex projects, providing assurance, guidance and leadership to project teams while working closely with clients and multidisciplinary stakeholders. This role offers the opportunity to influence key engineering decisions and shape the future direction of mechanical design within the business.

What's in It For You

Technical Leadership - Lead the delivery of complex mechanical engineering solutions on high-profile projects.

Industry-Leading Projects - Work on world-class data centre developments with significant technical challenges.

Strategic Influence - Play a key role in engineering decisions and technical standards.

Career Advancement - Build your profile as a recognised technical leader within the industry.

Mentoring & Development - Support engineers across multiple levels and contribute to capability growth.

Collaborative Culture - Work within a business that values technical excellence and teamwork.

What You'll Be Doing

• Lead mechanical design delivery across major projects.
• Provide technical assurance and engineering reviews.
• Develop innovative cooling and HVAC solutions.
• Support clients through technical discussions and decision-making.
• Coordinate with multidisciplinary project teams.
• Mentor engineers and contribute to technical development.
• Drive improvements in engineering standards and delivery practices.

Essential Skills

• Strong mechanical building services engineering experience.
• Expertise in cooling, HVAC and critical infrastructure systems.
• Experience leading complex engineering projects.
• Ability to provide technical leadership and assurance.
• Strong communication and stakeholder management skills.

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.

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