Data Centre Mechanical Design Engineer — High-Density Cooling

Nebius Group; Amsterdam; On-site; EUR 70,000 - 105,000; Full time

Benefits offered by this job

Competitive compensation

Career growth and learning

Flexibility and ownership

Collaborative and innovative culture

Impactful AI projects

International environment

Job summary

Nebius Group is seeking a Mechanical Design Engineer to shape the mechanical infrastructure for data centre developments. You will contribute from concept through commissioning, developing scalable cooling solutions and integrating with IT equipment and facility systems.

You will collaborate with electrical, structural and controls teams, review supplier proposals, and help set design standards while ensuring energy efficiency and reliability in high-density environments.

Qualifications

• Qualification in Mechanical Engineering, Building Services Engineering or equivalent practical experience.
• Experience designing mechanical systems for data centres or other mission-critical facilities.
• Strong knowledge of HVAC, cooling systems, heat transfer, fluid distribution and equipment selection.
• Understanding of resilient design and operation requirements for facilities running continuously.
• Experience preparing or reviewing engineering calculations, technical specifications and construction documentation.
• Familiarity with mechanical controls and Building Management System interfaces.
• Ability to work with consultants, contractors, suppliers and colleagues across engineering disciplines.
• Clear English communication and willingness to travel to project sites.
• Direct-to-chip liquid cooling or other cooling technologies for high-density AI/HPC environments (useful).
• Thermal modelling, airflow analysis or computational fluid dynamics.
• BIM coordination with Revit or AutoCAD.
• Commissioning, integrated systems testing or operational troubleshooting.
• Professional engineering registration or relevant data centre qualifications.

Responsibilities

• Develop and review mechanical designs for new data centres, expansions and upgrades.
• Produce and assess cooling calculations, equipment specifications, schematics, layouts and design documentation.
• Evaluate cooling systems, including chillers, pumps, heat exchangers, air-handling equipment and associated pipework.
• Support the integration of liquid cooling, coordinating interfaces between facility systems, coolant distribution units and IT equipment.
• Assess capacity, redundancy, maintainability and system performance under normal operation, maintenance and failure conditions.
• Coordinate mechanical designs with electrical, structural, architectural and controls teams, including airflow, containment and plant-space requirements.
• Review consultant designs, supplier proposals and contractor submissions, resolving technical queries during procurement and construction.
• Support site assessments, installation reviews and commissioning to verify that systems meet the design requirements.
• Identify opportunities to improve energy and water efficiency, reduce lifecycle costs and standardise designs across projects.

Skills

Mechanical design

Data centre cooling

HVAC systems

Thermal modelling

BIM coordination

Revit

AutoCAD

English communication

Education

Mechanical Engineering degree

Building Services Engineering degree

Tools

Revit

AutoCAD

Job description

Nebius Group is seeking a Mechanical Design Engineer to shape the mechanical infrastructure for data centre developments. You will contribute from concept through commissioning, developing scalable cooling solutions and integrating with IT equipment and facility systems.

You will collaborate with electrical, structural and controls teams, review supplier proposals, and help set design standards while ensuring energy efficiency and reliability in high-density environments.