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 global data infrastructure.

If you're passionate about innovation, technology, and growth, we invite you to be part of DayOne’s next chapter.

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.

The Senior IT Engineer (Server) is responsible for the deployment, operation, maintenance, and continuous improvement of enterprise network, server, and data center infrastructure. This role combines hands-on technical expertise with infrastructure project delivery, ensuring reliable, scalable, and secure IT environments that support business operations.
The successful candidate will provide Level 2 support across network and server domains, lead infrastructure implementations, maintain operational excellence, and collaborate closely with internal stakeholders and operations teams.

Key Responsibilities
Infrastructure Project Delivery & Management
- Support the end-to-end delivery of data center and IT infrastructure projects, including planning, design, implementation, testing, and tran

📌 Senior IT Engineer (Madrid)
🏢 Dunnock Invest
📍 Madrid