Join DayOne – Shaping the Future of Data InfrastructureDayOne is a integral 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.Job SummaryThe Data Center Extremely Low Voltage (ELV) Design Manager is responsible for leading the ELV design of mission-critical data center projects across Europe, including ICT infrastructure, structured cabling, fiber networks, security systems, BMS/BA interfaces, communications, and related low-voltage building technology systems. This role ensures ELV systems are reliable, scalable, maintainable,



secure, well integrated with the wider data center infrastructure, and aligned with project and operational requirements. The ELV Design Manager works closely with internal teams, local consultants, contractors, vendors, security stakeholders, IT/network teams, authorities, and operations stakeholders to deliver coordinated, compliant, and high-quality design solutions. The role is key to ensuring DayOne’s ELV infrastructure meets company standards, applicable European and local regulations, authority requirements, industry best practices, and end-user expectations.Key ResponsibilitiesELV Design Oversight: Lead and manage the overall ELV design process for data center projects, covering ICT, structured cabling, fiber infrastructure, telecom rooms, security systems, BMS/BA interfaces, and other low-voltage building technology systems.Connectivity Infrastructure: Oversee backbone and horizontal cabli

📌 Extremely Low Voltage (Madrid)
🏢 Dunnock Invest
📍 Madrid