Senior Mechanical Engineer - Data Center Cooling & Systems

Nebius; United States; On-site; USD 120,000 - 190,000; Full time

Benefits offered by this job

Competitive compensation

Career growth

International environment

Ownership and flexibility

Job summary

Nebius is seeking an experienced Mechanical Engineer to lead the mechanical evaluation of AI infrastructure sites across the Americas. You will own cooling topology, equipment strategy, and readiness, coordinating with Site Selection, Development, and Delivery teams to ensure scalable, technically sound solutions.

The role requires 8+ years in data center mechanical engineering, experience with liquid cooling, chiller plants, and CRAH/CRAC systems, and strong communication skills for

Qualifications

• 8+ years in data center mechanical engineering or mission-critical facilities.
• Experience with high-density AI/hyperscale cooling.
• Strong ability to design cooling topology and select equipment.

Responsibilities

• Lead mechanical evaluation of prospective sites and build-to-suit opportunities.
• Define cooling topology and equipment strategy with engineering teams.
• Ensure design readiness and integration into budgets and schedules.
• Collaborate across Site Selection, Development, Energy, and Delivery.

Skills

Data center mech eng

Cooling topology design

Liquid cooling

Chiller plants

CRAH/CRAC systems

Capacity planning

Communication

PE license

Education

Bachelor's in Mechanical Engineering

Professional Engineer (PE) license

Tools

BMS integration

Job description

Nebius is seeking an experienced Mechanical Engineer to lead the mechanical evaluation of AI infrastructure sites across the Americas. You will own cooling topology, equipment strategy, and readiness, coordinating with Site Selection, Development, and Delivery teams to ensure scalable, technically sound solutions.

The role requires 8+ years in data center mechanical engineering, experience with liquid cooling, chiller plants, and CRAH/CRAC systems, and strong communication skills for