About Nebius:

Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure.

Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI.

Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D.

The Role

The Data Center Chief Power Engineer is responsible for the operation, maintenance, reliability, and optimization of all electrical power infrastructure within a hyperscale or mission-critical data center environment in Lappeenranta, Finland. This role leads electrical engineering strategy, ensures continuous uptime, manages high-voltage and low-voltage systems, and oversees compliance, safety, and emergency response activities in accordance with Finnish and European regulations.

The Chief Power Engineer works closely with facilities teams, operations, construction, commissioning, utility providers, vendors, and executive leadership to ensure reliable delivery of power to critical IT loads while supporting sustainability and energy-efficiency goals aligned with Nordic data center operations.

Key Responsibilities

Power Infrastructure Operations

Oversee operation and maintenance of:

• Utility service entrances
• Medium-voltage and low-voltage switchgear
• UPS systems
• Generators and paralleling gear
• PDUs and RPPs
• Busways and power distribution systems
• Battery systems (VRLA and Li-ion)
• Grounding and bonding systems
• SCADA, BMS, and EPMS platforms

Ensure continuous uptime and redundancy performance (N+1, 2N, or higher).

Lead electrical switching procedures, outage planning, and emergency response activities.

Review, approve, and maintain electrical SOPs, MOPs, and EOPs.

Coordinate with local utility providers and transmission operators in Finland.

Reliability & Risk Management

Develop preventive and predictive maintenance programs for mission-critical electrical systems.

Conduct root cause analysis (RCA) for electrical and power-related incidents.

Lead failure investigations and corrective action programs.

Monitor electrical system performance, capacity utilization, and load trends.