Join DayOne – Shaping the Future of Data Infrastructure
DayOne is a global leader in the development and operation of high-performance data centers. As one of the fastest-growing companies in the industry, we’ve built a robust presence across Asia and Europe — and we’re just getting started.
As we expand into new international markets, we’re looking for talented, driven individuals to join us on this exciting journey. This is more than a job — it’s an opportunity to be a key contributor to our dynamic team and help shape the future of general data infrastructure.
If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.
Job Summary
The Data Center Mechanical Design Manager is responsible for leading the mechanical design of mission-critical data center projects across Europe, including HVAC, plumbing, drainage, and related building mechanical systems.
This role ensures mechanical systems are reliable, scalable, maintainable, energy-efficient, and well integrated with the wider data center infrastructure.
The Mechanical Design Manager works closely with internal teams, local consultants, contractors, vendors, authorities, and operations stakeholders to deliver coordinated, compliant, and high-quality design solutions.
The role is key to ensuring DayOne’s mechanical infrastructure meets company standards, applicable European and local regulations, authority requirements, industry best practice, sustainability targets, and end-user expectations.
Key Responsibilities
Mechanical Design Oversight: Lead the mechanical design process for data center projects, including HVAC, plumbing, drainage, and related systems.
Cooling and Thermal Performance: Oversee cooling architecture, heat rejection, chilled water systems, airflow management, redundancy, energy efficiency, and maintainability.
Multidisciplinary Coordination: Coordinate mechanical interfaces with electrical, architectural, civil, structural, fire protection,
📌 Mechanical Design Manager (Madrid)
🏢 DayOne
📍 Madrid