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. Job Summary The 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 Responsibilities ELV 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 cabling, containment, pathways, racks, patching infrastructure, cross-connect areas, and coordination with network architecture requirements. Security Systems: Lead the design coordination of physical security systems, including access control, video surveillance, perimeter security, alarms, security control rooms, and associated monitoring systems. Multidisciplinary Coordination: Coordinate ELV design interfaces with electrical, mechanical, architectural, civil, structural, fire protection, IT/network, security, operations, consultants, contractors, vendors, and project stakeholders. Technical Leadership: Provide technical guidance to ensure ELV solutions are reliable, scalable, maintainable, secure, and aligned with project and operational requirements. Design Review and Quality Assurance: Review drawings, specifications, schematics, system architecture diagrams, technical proposals, and design documentation to verify completeness, coordination, technical accuracy, and constructability. Standards and Compliance: Ensure ELV, BMS, and BA designs align with DayOne internal standards, industry standards, local regulations, authority requirements, project requirements, and end-user requirements. Vendor and Supplier Coordination: Coordinate with vendors and suppliers to review ELV equipment, systems, materials, and technologies against project needs, technical requirements, and lifecycle expectations. Risk and Issue Resolution: Identify risks, resolve technical issues, and support decisions related to design coordination, installation, testing, commissioning, handover, and operational readiness. Commissioning and Handover Support: Support testing, commissioning, as-built validation, documentation review, and handover for ELV, ICT, security, BMS, and BA systems Qualifications Education: Bachelor’s degree in Electrical Engineering, Telecommunications Engineering, ICT Engineering, Electronics Engineering, or a related technical field; a Master’s degree is a plus. Experience: Minimum 8–10 years of experience in ELV, ICT, security, BMS/BA, or low-voltage infrastructure design, preferably for data centers or other mission-critical environments. Technical Skills: Strong understanding of data center ELV systems, including structured cabling, fiber networks, ICT infrastructure, security systems, access control, CCTV, BMS/BA interfaces, and related building technology systems. Certifications: Professional Engineer (PE), Chartered Engineer, BICSI, RCDD, or equivalent professional certification is preferred. Knowledge: Good knowledge of relevant ELV, ICT, security, BMS/BA, and data center standards, including internal standards, industry standards, local regulations, authority requirements, and end-user requirements. Design Management: Experience coordinating complex design workstreams with consultants, contractors, vendors, internal teams, and project stakeholders, with strong organizational and leadership skills. Communication: Excellent verbal and written English communication skills are required; proficiency in a second European language is preferred. Problem-Solving: Strong analytical and problem-solving skills, with the ability to identify risks, resolve technical issues, and support design, coordination, commissioning, and handover activities. Why Join DayOne? Be a part of a company scaling fast in a booming industry. Work on an international stage with global leaders. Shape your career in a culture that values curiosity, agility, and bold thinking. If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey. DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. For more information about us, please visit DayOne. DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. If you're ready to grow with one of the fastest-moving companies in the data center industry, apply now and be part of our global journey. DayOne is a data center pioneer that develops and operates next-gen digital infrastructure for industry leaders who demand reliable, cost-effective and quickly scalable solutions. Our cutting-edge facilities empower hyperscalers and large enterprises to achieve rapid deployment and enhance connectivity, driving transformative engagement and innovation as we shape the future of industries. DayOne's data centers are located across key markets, including Singapore, Johor (Malaysia), Batam (Indonesia), Greater Bangkok, Hong Kong SAR, Tokyo, and beyond. Headquartered in Singapore, DayOne’s leadership team draws on over two decades of industry experience and a track record of building Asia's largest data center business. With DayOne, they have created the SIJORI (Singapore, Johor, and Riau Islands) market as a global data center hub. As demand for strategically located and customized data centers rises, DayOne's entrepreneurial spirit, customer-first strategy, deep local partnerships, and agile executional capabilities uniquely position us to power the growth ambitions of leading hyperscalers and large enterprises around the world. We’d love to get to know you! Tell us a bit about your background, experience, and what you're looking for in your next opportunity. The more we know, the better we can match you with roles that fit your goals. Let’s start with: - Your professional background, upload a copy of your latest resume. - Key skills and strengths - Career interests and goals This is your moment — make it count!

Extremely Low Voltage (ELV) Design Manager.

more at Dayone.

Senior Project Manager, Mechanical

Inventory Manager

Supply Chain & Procurement Manager Data Center (Other Region)

similar roles.

Career Insights: Meet the Business- Technology & Risk (UK, Europe & MEA Session)

Software Engineer (DevOps/.NET/Azure)

Systems Engineer - Applied Physicist

Software Engineer (Cloud & Python), Platform Engineering - Splunk

Technical Leader, SRE/Go development

Stage de fin d'études - Consultant.e Cloud, Infrastructures, Réseaux & Workplace - Marseille