Maintenance Planner

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

We are developing and building our first datacenter in Koria, Kouvola, in partnership with Hyperco, initial phases planned to be commissioned by the end of 2026. This is a unique opportunity to join the team at an early stage, working on a mission-critical facility developed through joint venture that combines strong local expertise with a global hyperscale platform.

As a Maintenance Planner you are responsible for overseeing all maintenance aspects of data centre operations to achieve 100% uptime and compliance with our customers. This role involves working closely with a team of engineers, technicians, and third-party vendors to plan and manage the annual Planned Preventative Maintenance (PPM) schedule.

Additionally, the Maintenance Planner must adjust plans as necessary to support unplanned emergency maintenance and break fix activities, ensuring minimal disruption and maximum efficiency in data centre operations.

Key Responsibilities

Maintenance and Upgrades

• Plan and coordinate asset management services including asset management delivery planning, preventative and corrective maintenance activities planning, condition monitoring and lifecycle planning.
• Ensure all systems are serviced according to manufacturer and company standards.
• Coordinate with vendors and contractors for maintenance and upgrade projects, ensuring minimal impact on operations. Follow up on Change Management approval.
• Prepare and update the 52-week maintenance plan.
• Ensure data completeness in CMMS system, including maintenance reports, faults, asset information, spare parts etc.

Safety and Compliance:

• Ensure all maintenance activities comply with relevant health, safety, and environmental regulations.
• Maintain up-to-date documentation and records to support compliance audits and certifications.

System Support

• Utilise the CMMS system including records management and planning.
• Collaborate with other engineering and operations teams to ensure integrated and efficient system performance.

Strategic Initiatives

• Support the Critical Services Manager in reporting requirements.
• Participate in budget planning and cost management activities to ensure operational efficiency and financial performance.

What We’re Looking For

• Degree in engineering, computer science, business administration or a related field.
• Minimum of 3-5 years of experience in maintenance planning, ideally in a critical environment or data centre.
• Strong experience in the use of Computerised Maintenance Management Systems.
• Proven experience in managing technical teams and 24/7 operations.
• High level of attention to detail and accuracy in documentation and analysis.
• Flexibility to manage changing priorities and work in a fast-paced, dynamic environment.
• Proficiency in English, both written and spoken. Knowledge of Finnish is a plus.
• Proactive, solutions-oriented mindset with high integrity and a collaborative working style.

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.

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.