Electrical Design Manager

DigitalLand Services (FI) Oy; Helsinki; On-site; EUR 90,000 - 120,000; Full time

Job summary

DayOne in Helsinki seeks an Electrical Design Manager to lead the electrical design of mission-critical data center projects, overseeing utility connections, power distribution, backup power, earthing, lighting and related systems. You will coordinate with internal teams, consultants, vendors and authorities to deliver compliant, safe, scalable solutions.

You should have an Engineering degree and hands-on experience with data center electrical infrastructure, knowledge of IEC/EN standards (NEC a

Qualifications

• Engineering degree and hands-on experience in electrical design for data centers.
• Strong knowledge of electrical systems including power distribution, backup power, and grounding.
• Experience coordinating multi-disciplinary teams, consultants and vendors.

Responsibilities

• Lead electrical design for data center projects from concept to as-built handover.
• Oversee utility connections, MV/LV distribution, substations and equipment schedules.
• Ensure designs meet IEC/EN standards and local regulations, including NEC if applicable.
• Coordinate with mechanical, architectural, civil, fire protection and ELV/ICT teams.

Skills

Electrical design

Data center

Leadership

Education

Engineering degree

Job description

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.

What you’ll do

As an Electrical Design Manager, you are responsible for leading the electrical design of mission-critical data center projects, including utility connections, power distribution, backup power, earthing, lighting and related building electrical systems. You will ensure electrical systems are safe, reliable, scalable, maintainable, energy-conscious and well-integrated with the wider data center infrastructure. You will work closely with different internal teams, local consultants, contractors, vendors, utility providers, authorities and operations stakeholders to deliver coordinated, compliant and high-quality design solutions. You’ll play a key role in ensuring DayOne’s electrical infrastructure meets company standards, applicable European and local regulations, authority requirements, industry best practice and end-user expectations. The key responsibilities include, Electrical Design Oversight: Leading and managing the electrical design process for data center projects, including utility intake, substations, transformers, switchgear, UPS, generators, power distribution, busway, earthing, lighting and related electrical systems. Power Infrastructure Planning: Overseeing the design of MV/LV distribution, backup power systems, redundancy arrangements, power pathways, equipment layouts, load requirements and future expansion capacity. Standards and Compliance: Applying DayOne’s in-house electrical standards, design principles and lessons learned, while ensuring designs meet applicable industry standards, local regulations, authority requirements, project specifications and end-user expectations. Systems Integration: Coordinating electrical interfaces with mechanical, architectural, civil, structural, fire protection, ELV/ICT, BMS/EPMS/DCIM, security, operations, commissioning and construction requirements. Technical Leadership: Providing technical guidance on electrical systems to support reliability, redundancy, safety, maintainability, scalability, operational readiness and project delivery requirements. Design Review and Quality Assurance: Reviewing drawings, specifications, calculations, single-line diagrams, equipment schedules, system architecture diagrams, technical studies and proposals to verify completeness, coordination, technical accuracy and constructability. Vendor and Consultant Coordination: Working with consultants, contractors, vendors and suppliers to review and select electrical equipment, systems, materials and technical solutions aligned with project needs and lifecycle expectations. Construction, Commissioning and Handover Support: Supporting technical issue resolution, installation coordination, testing, commissioning, as-built review, documentation checks and handover activities for electrical systems.

What We’re Looking For

Degree in Engineering Experience in electrical design, with a strong focus on data center or similar critical infrastructure projects. Expertise and strong understanding of electrical systems for data centers, including power distribution, backup power, resilience, redundancy and electrical infrastructure integration. In-depth knowledge of electrical codes and standards, including IEC, EN and applicable local regulations. Familiarity with NEC is a plus. Experience in managing and coordinating complex design workstreams, with strong organizational, coordination and leadership skills. Strong analytical and problem-solving abilities, with a proven track record of addressing and resolving technical challenges. Previous experience working in fast growing, international environments. Ability to work on-site and travel as needed. Excellent verbal and written communication skills in English. Finnish or other languages are considered an asset.

Why join DayOne?

Be 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. DayOne is proud to be an equal opportunity employer. We celebrate diversity and are committed to creating an inclusive environment for all employees.

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.