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Description

AWS Infrastructure Services owns the design, planning, delivery, and operation of all AWS global infrastructure. In other words, we're the people who keep the cloud running. 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'll 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 help us deliver the highest standards for safety and security while providing seemingly infinite capacity at the lowest possible cost for our customers. And you'll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.
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. Our designs are fundamentally changing the data center, providing operational and financial benefits that are critical to the success of the AWS business and its millions of customers. Our engineers solve challenging technology problems and take big bets on new concepts, enabling AWS services to continue to revolutionize the industry. This role provides the opportunity to work closely with our team of innovative mechanical engineering builders developing and deploying the next generation of air handling infrastructure for our data centers.
AWS is seeking a Principal, Mechanical Engineer for our team developing new infrastructure solutions that enable at-scale deployment of the latest air and liquid-cooled racks into our data centers. We are looking for an individual contributor with excellent people skills and prior air handling system level development experience to define the system level solution strategy and provide technical guidance to lead to team to execute against this strategy. This role will work closely with both AWS builders and third-party manufacturers to develop data center infrastructure solutions on our behalf.
If you have experience leading the system level design of mechanical products, have an extensive understanding of air-cooled solutions in data centers, and know how products should be operated to ensure quality and scalability, you may be a good fit. This role requires the ability to influence a team in developing detailed mechanical equipment designs, specifications and evaluating the merits and risks of design tradeoffs.
Since Amazon has a global presence, intermittent travel will be necessary and should be expected to be approximately 30% to AWS offices, data centers, suppliers, vendors, and product validation tests. While most travel will be domestic, some international travel may be required.

Key job responsibilities
· Demonstrate strong systems engineering judgment in designing redundant cooling architectures, integrating multiple cooling technologies, and developing facility-wide control strategies that optimize both reliability and efficiency
· Direct innovative, high-performance teams in developing integrated cooling solutions combining direct evaporative, fan coils, and chilled water systems, optimizing facility-wide thermal management exceeding 100MW+ while achieving industry-leading mechanical PUE below 1.05
· Apply comprehensive data-driven approaches using advanced modeling tools (CFD/FEA/Digital Twins) and facility-wide sensor networks to develop predictive control algorithms optimizing system-level efficiency across varying environmental conditions
· Build trust across engineering disciplines by leading system architecture reviews, reliability centered maintenance programs, and continuous improvement initiatives driving industry-leading reliability
· Utilize extensive experience in systems integration, thermodynamics, psychometrics, and ASHRAE standards, with focus on holistic cooling solutions that balance mechanical efficiency, water usage, maintainability, and total cost of ownership
· Provide strategic technical leadership for global deployment strategies, including standardization of cooling technologies, development of smart commissioning tools, and optimization of supply chain logistics
· Communicate complex system interactions through detailed system diagrams, control narratives, and performance specifications that bridge product and facility requirements

· Collaborate with global suppliers
· Support global operations
· Incorporate multi-stakeholder feedback
Contribute to industry advancement

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 will collaborate 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. Our scope also includes emergent global scale remediation strategic efforts that impact Data Center capacity or availability and introducing and driving business improvement initiatives increasing visibility and enabling data driven decision making.