Building Management System Engineer

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 Building Management System Engineer you are responsible for ensuring the efficient operation, maintenance, and optimisation of our data centre facilities' building management systems.
 

Key Responsibilities

System Maintenance and Optimisation

• Perform regular maintenance and troubleshooting of BMS hardware and software.
• Optimise system performance to ensure energy efficiency and reliability.
• Monitor and adjust BMS parameters to maintain optimal environmental conditions.

Data Analysis and Reporting

• Analyse data from the BMS to identify trends, inefficiencies, and potential issues.
• Generate detailed reports on system performance, energy usage, and maintenance activities.
• Provide actionable insights and recommendations based on data analysis.

Project Management

• Lead BMS upgrade and expansion projects, ensuring minimal disruption to operations.
• Coordinate with contractors, vendors, and other stakeholders to ensure project success.
• Develop and manage project plans, timelines, and budgets.

Compliance and Safety

• Ensure all BMS operations comply with relevant regulations, standards, and best practices.
• Conduct regular audits and inspections to ensure system integrity and safety.
• Implement and maintain safety protocols and procedures.

Technical Support and Training

• Provide technical support to operations teams and other stakeholders.
• Develop and deliver training programs for staff on BMS operation and maintenance.
• Stay updated on the latest BMS technologies and industry trends.

System Integration

• Integrate BMS with other building systems and data centre infrastructure.
• Collaborate with IT and facilities teams to ensure seamless integration and interoperability.
• Manage and troubleshoot integration issues.

What We’re looking For
 

• Degree in Electrical Engineering, Mechanical Engineering, or a related field.
• 3-5 years of experience in BMS engineering, preferably in a data centre or critical infrastructure environment with strong proficiency in related software
• Relevant certifications (e.g., BMS, HVAC, PMP) are highly desirable.
• Excellent analytical skills and proficiency in data analysis and related techniques.
• Effective communication skills and the ability to work effectively with a multidisciplinary team.
• 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.