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 Critical Services Manager you are responsible for overseeing the Mechanical, Electrical, and Building Management System (BMS) engineering teams, as well as managing the 24/7 shift team to ensure uninterrupted operations of the data centre.
Key Responsibilities
Leadership and Management
- Lead, mentor, and develop the mechanical, electrical, and BMS engineering teams to ensure high performance and professional growth.
- Oversee the 24/7 shift team, ensuring effective communication and coordination to maintain continuous operations.
Operational Excellence
- Ensure the efficient and reliable operation of all critical systems, including HVAC, electrical distribution, generators, UPS, and BMS.
- Develop and implement standard operating procedures (SOPs) for maintenance and emergency response.
- Monitor system performance and implement improvements to enhance reliability and efficiency.
SLA Compliance
- Ensure all operations and maintenance activities are conducted in compliance with SLAs.
- Develop and track key performance indicators (KPIs) to measure compliance and performance.
- Address and resolve any issues that could impact SLA compliance promptly.
Project Management
- Manage and oversee critical infrastructure projects, including upgrades, expansions, and maintenance.
- Coordinate with internal teams and external contractors to ensure projects are completed on time, within scope, and budget.
Safety and Compliance
- Ensure all operations adhere to safety protocols and regulatory standards.
- Conduct regular safety audits and drills to ensure team readiness for emergency situations.
- Maintain documentation and records in compliance with regulatory and company requirements.
Budget Management:
- Develop and manage the budget for the critical services department.
- Monitor expenditures and implement cost-saving measures without compromising service quality.
Continuous Improvement:
- Foster a culture of continuous improvement by encouraging innovation and process enhancements.
- Stay updated with the latest industry trends and technologies to implement best practices.
What We’re Looking For
- Degree in Mechanical Engineering, Electrical Engineering, or a related field.
- Minimum of 7-10 years of experience in data centre operations or a similar critical infrastructure environment, with at least 3-5 years in a managerial role.
- Strong knowledge of HVAC, electrical systems, generators, UPS, and BMS.
- Strong leadership skills and proven experience in managing multidisciplinary engineering teams.
- Strong analytical and problem-solving abilities.
- Familiarity with industry standards and regulatory requirements.
- Proficiency in English, both written and spoken. Knowledge of Finnish is a plus.
- Ability to work in a fast-paced operational environment.
- 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.