DayOne is building its first data center in Koria, Kouvola, in partnership with Hyperco, with commissioning planned by the end of 2026. As Mechanical Engineering Manager you will oversee the mechanical infrastructure and systems of our hyperscale data centres, leading a team of engineers and technicians to ensure continuous, safe operation 24/7.

You will drive safety, compliance, and performance, mentor staff, coordinate with vendors, and collaborate with other engineering and operations teams