Principal Mechanical Air-Cooling Product Engineer, DCE - Mechanical Products & Services (MPS)

Principal Mechanical Air-Cooling Product Engineer, DCE - Mechanical Products & Services (MPS)

Amazon Web Services (AWS) Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. We support all AWS data centers and all of the servers, storage, networking, power, and cooling equipment that ensures our customers have continual access to the innovation they rely on. We work on the most challenging problems, with thousands of variables impacting the supply chain — and we're looking for talented people who want to help.

You will join a diverse team of software, hardware, and network engineers, supply chain specialists, security experts, operations managers, and other vital roles. You’ll collaborate with people across AWS to deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. Within AIS and Data Center Engineering, the Mechanical Products and Services team is driving rapid innovation in mechanical cooling and controls systems used by AWS.

Key job responsibilities

• Demonstrate strong engineering judgment in designing highly reliable air handling systems, psychrometric analysis, and air-side economization strategies for mission‑critical facilities.
• Direct innovative, high-performance teams developing next‑generation direct evaporative cooling solutions and advanced chiller plants, managing facility thermal loads exceeding 100MW+ while achieving mechanical PUE metrics below 1.05.
• Apply data‑driven approaches using CFD analysis, thermal modeling software, and real‑time sensor data to optimize airflow patterns, static pressure control, and air-side heat transfer optimization.
• Build trust across teams by leading technical reviews of cooling system designs, maintenance procedures, and reliability improvements targeting +99.999% availability.
• Utilize extensive experience in thermodynamics, psychometrics, fluid mechanics, and ASHRAE standards, focusing on evaporative cooling technologies including adiabatic cooling, free cooling, and advanced chiller plant optimization.
• Provide strategic direction across multiple products being deployed globally in new and existing facilities exceeding 250MW+ across data center campuses.
• Communicate complex cooling systems architecture through detailed control schemes, psychrometric analysis, and system performance specifications.
• Collaborate with global suppliers, support global operations, incorporate multi‑stakeholder feedback, and contribute to our global knowledge base.

A day in the life

A Principal Mechanical Engineer for Air‑Cooled Solutions works closely with key partners to innovate, create, manage, and support the complete lifecycle of our air‑cooled infrastructure portfolio. This role collaborates with internal and external partner teams to ensure products and solutions perform as intended. The Principal, Mechanical Engineering role will work closely with mechanical engineers to identify and mitigate design issues and build infrastructure strategies to execute at scale.

About the team

The Mechanical Products & Services team provides engineering expertise and design and product lifecycle support for mechanical equipment in data centers globally. This includes support for new products and design features that address the mechanical cooling systems included in data center deployments. We own and support mechanical products throughout their lifecycle and undertake global scale remediation strategies and business improvement initiatives.

Basic qualifications

Preferred qualifications

Amazon is an equal‑opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, please visit https : / / amazon.jobs / content / en / how-we-hire / accommodations for more information. If the country / region you’re applying in isn’t listed, please contact your Recruiting Partner.

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