Lead Cooling Engineer

Location: Bedford, East of England, United Kingdom

Overall Job Purpose:

You will be working in a growing R&D Development team in the Centre of Excellence Cooling Division for USystems, developing innovative cooling technologies for the ever-expanding datacentre industry.

The Lead Cooling Engineer will be responsible for leading the thermal and fluid flow engineering activities associated with the development of new cooling products, supporting the Principal Cooling Engineer in delivering innovative and commercially viable solutions.

The role will focus on the application of Computational Fluid Dynamics (CFD), thermal analysis, laboratory testing and validation to support the design and development of rear door heat exchangers (RDHx), coolant distribution units (CDUs), liquid cooling systems and associated cooling technologies.

The successful candidate will combine strong theoretical engineering knowledge with practical product development experience to deliver robust, manufacturable and compliant cooling solutions.

• Contribute to the USystems mission of developing innovative, technology-focused cooling product designs.
• Lead CFD modelling and simulation activities to support new product development and product optimisation.
• Research, evaluate and implement new cooling technologies and methodologies.
• Support the design, test and conformity process to ensure products meet performance, quality and compliance requirements.
• Develop and maintain thermal, hydraulic and fluid flow simulation models.
• Correlate simulation results with laboratory testing to improve product performance and modelling accuracy.
• Provide cooling engineering expertise throughout the product development lifecycle.
• Support the continuous development of modelling capabilities, design tools and engineering best practices within the R&D team.
• Promote the company's professionalism, technical excellence and ethical standards.

About Us

At Legrand, we are a global specialist in electrical and digital building infrastructures. Every day, our 38,000+ employees across nearly 90 countries work to improve lives by transforming the spaces where people live, work, and connect.

Driven by innovation, simplicity, and sustainability, we design high-value solutions that make buildings smarter, more efficient, and more comfortable. From connected technologies to energy-efficient systems, our products and services empower millions of users around the world.

Our strength lies in our diversity—of people, expertise, and brands. Whether you join Legrand or one of its brands, you’ll be part of a collaborative and forward-thinking environment where your ideas matter and your growth is supported.

Together, we’re building the future of buildings. Come and make an impact with us.

working in a growing R&D Development team in the Centre of Excellence Cooling Division for USystems, developing innovative cooling technologies for the ever-expanding datacentre industry. The Lead Cooling Engineer will be responsible for leading the thermal and fluid flow engineering activities associated with the development of new cooling products, supporting the Principal Cooling Engineer in delivering innovative and commercially viable solutions. The role will focus on the application of Computational Fluid Dynamics (CFD), thermal analysis, laboratory testing and validation to support the design and development of rear door heat exchangers (RDHx), coolant distribution units (CDUs), liquid cooling systems and associated cooling technologies. The successful candidate will combine strong theoretical engineering knowledge with practical product development experience to deliver robust, manufacturable and compliant cooling solutions.