Site Operations Manager

About DayOne Data Centers

DayOne Data Centers is a Singapore-headquartered global digital infrastructure platform that develops and operates next-generation data centers across Asia Pacific and Europe. Trusted by leading hyperscalers and businesses, the company engineers, builds, and operates high-capacity, AI-ready campuses with speed, scale, and reliability.

About the Role

DayOne is building its flagship hyperscale data center campus in Lahti, on a former industrial site in Kiveriö. The campus is designed to use Finland's naturally cool climate for free cooling, with air-cooled chillers that remove the need for freshwater cooling. Join the Lahti team early and help shape how a campus of this scale is built, commissioned, and run.

As a Site Operations Manager, you will oversee the operational management and performance of multiple data center facilities within a designated cluster. You will ensure the continuous and efficient operation of critical infrastructure, maintain high service delivery standards, and lead technical and operational teams responsible for delivering mission-critical services around the clock.

Your key responsibilities will include,

Operational ManagementOverseeing the day-to-day operations of multiple data centers within the cluster.

Ensuring all systems and infrastructure operate reliably while meeting uptime objectives and customer service level agreements.

Implementing and maintaining operational policies, procedures, and best practices.

Managing incident response, troubleshooting, and service restoration activities.

Measuring operational metrics, analyzing data, and identifying risks.

Team LeadershipLeading, mentoring, and developing operations and technical teams.

Coordinating shift teams to ensure effective 24/7 coverage and smooth handovers.

Conducting training activities to support capability development and operational excellence.

Maintenance and UpgradesPlanning and overseeing preventive and corrective maintenance activities.