Commissioning Manager

DigitalLand Services (FI) Oy; Helsinki; On-site; EUR 90,000 - 130,000; Full time

Job summary

DayOne, a leading data center developer and operator, seeks a Commissioning Manager in Finland to lead planning, coordination and execution of commissioning for new projects. Ensure testing and handover of critical systems in line with design, standards and safety requirements.

The role requires a bachelor’s degree in Electrical or Mechanical Engineering, strong commissioning experience, and fluency in English.

Qualifications

• Bachelor’s degree in Electrical or Mechanical Engineering, Building Services, or equivalent.
• Experience commissioning electrical, mechanical, controls, or fire safety systems.
• Fluency in English and ability to travel within Finland/Europe.

Responsibilities

• Plan, coordinate, and execute commissioning activities for new data center projects in Finland.
• Test and hand over electrical, mechanical, controls, fire safety and security systems.
• Ensure compliance with Finnish regulations, SFS/EN standards, and safety procedures.

Skills

English fluency

Stakeholder management

Reading drawings

Independent/work under pressure

Education

Bachelor’s degree in Electrical or Mechanical Engineering

Tools

SLDs & P&IDs interpretation

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.

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 a Commissioning Manager you are responsible for planning, coordinating, and executing commissioning activities for new data center projects in Finland. This role ensures that critical building systems are thoroughly tested, integrated, and handed over to Operations in full compliance with the project design, technical standards, Finnish regulations, and safety requirements. You will work closely with internal engineering teams, contractors, vendors, and operations personnel to ensure reliable, efficient, and high-quality delivery of all MEP and control systems.

Key responsibilities include

Commissioning Planning & Coordination

• Supporting development of the Commissioning Plan, schedule, and testing protocols.
• Coordinating commissioning activities with Project Management, Construction, Vendors, and Operations, ensuring alignment with project specifications, Uptime/Tier requirements, and Finnish/EU standards.
• Assisting with planning FAT, SAT, functional testing, and Integrated Systems Testing (IST).

Technical Execution

• Identifying issues, escalating deviations, and supporting root-cause analysis and corrective actions.
• Maintaining accurate commissioning logs, punch lists, and test documentation.
• Executing and witnessing commissioning tests across electrical, mechanical, controls, fire safety, and security systems, including HV/MV/LV distribution, UPS, generators, PDUs, ATS/STS, Chillers, CRAC/CRAH, pumps, cooling towers, hydronic systems.
• BMS/EPMS/BAS controls and SOO validation.
• Fire detection and suppression systems.
• Access control, CCTV, ICT/structured cabling readiness.

Quality, Compliance & Safety

• Ensuring commissioning activities comply with Finnish regulatory requirements, SFS/EN standards, and environmental/safety rules.
• Supporting QA/QC processes to ensure equipment and systems meet design intent.
• Adhering strictly to Lockout/Tagout (LOTO) and safe energization practices, collaborating with HSE and project teams to maintain a safe, zero-harm environment.

Documentation & Handover

• Preparing and maintaining commissioning documentation including test forms, reports, red‑line drawings, and O&M inputs; assist in assembling the final Commissioning Turnover Package.
• Participating in formal handover meetings with Operations and Customers and support training activities to ensure Operations teams understand system functionality.

What We’re Looking For

• Bachelor’s Degree in Electrical or Mechanical Engineering, Building Services, or equivalent
• Multiple years of experience and strong understanding of commissioning, installation, or operations of MEP systems ideally in data centers, energy, industrial, or mission‑critical facilities.
• Experience with testing and commissioning electrical, mechanical, controls, or fire safety systems.
• Familiarity with Finnish electrical and safety standards (SFS/EN)
• Ability to read and interpret SLDs, P&IDs, schematics, and technical drawings.
• Ability to work independently and manage multiple, competing priorities in a face‑paced environment.
• Excellent communication and stakeholder management skills.
• Proactive, solutions‑oriented mindset and a collaborative working style.
• Solid problem‑solving skills with a practical, solutions‑driven approach.
• Ability to work on‑site at the construction location during key commissioning phases.
• Ability to travel within Finland or Europe as necessary.
• Fluency in English

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. If you're ready to grow with one of the fastest‑moving companies in the data center industry, we invite you to 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.

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.

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