Mechanical Design Engineer

Responsibilities

• Review mechanical design packages for data center projects, including internal concepts and third-party partner designs.
• Support mechanical design development for high-density data center environments.
• Evaluate mechanical design options for air-cooled and liquid-cooled data center architectures.
• Coincide closely with electrical design, construction, commissioning, and operations stakeholders.
• Review designs for maintainability, operational resilience, capacity, and alignment with Nebius standards.
• Help assess technical tradeoffs, alternative solutions, product options, and design risks.
• Support design reviews tied to power density, airflow, cooling capacity, and operational readiness.

Requirements

• Data center mechanical design experience.
• Strong understanding of mechanical systems in mission-critical or data center environments.
• Experience with air-cooled data center design.
• Ability to evaluate mechanical capacity, flows, and design assumptions.
• Ability to review design documents, technical proposals, and partner deliverables.
• Ability to read and interpret contracts, design requirements, and technical standards.
• Strong communication skills with internal stakeholders, external design partners, and construction teams.
• Broad engineering ownership mindset; able to manage the full mechanical design scope rather than only a narrow specialty.

Nice to Have

• Experience with liquid-cooled data center technologies.
• Experience with hyperscale, neocloud, GPU, or AI infrastructure data centers.
• Experience at companies such as Lambda, CoreWeave, hyperscalers, colocation providers, or mission-critical engineering firms.
• Familiarity with high-density rack environments, including 50kW to 200kW per rack.
• Experience supporting design reviews through commissioning or operational turnover.