Lead Mechanical Engineer

Amazon Web Services is seeking a Lead Mechanical Engineer to lead the mechanical architecture of the 5-10 MW SST including enclosure/rack architecture interfaces IP protection vibration and seismic qualification.

As a Lead Mechanical Engineer you will define enclosure/rack architecture interfaces IP rating and serviceability for the 510 MW system from an open requirement space. You will own structural thermal environmental (vibration/seismic) and manufacturability constraints at system scale plus escalations. You will chair mechanical reviews coordinate suppliers/manufacturing mentor designers and align interfaces with thermal electrical and MV/HV.

About AIS
AWS Infrastructure Services (AIS) owns the design planning delivery and operation of all AWS global other words were 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 ensure 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 were looking for talented people who want to help.

Youll join a diverse team of software hardware and network engineers supply chain specialists security experts operations managers and other vital roles. Youll 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 youll experience an inclusive culture that welcomes bold ideas and empowers you to own them to completion.

Key job responsibilities
Mechanical architecture:
- Define the mechanical architecture for the 510 MW system and its major assemblies.
- Develop rack/enclosure concepts compatible with high-power electronics and liquid cooling.
- Define mechanical interfaces with power PCB magnetics cooling and electrical integration.

Environmental requirements:
- Address IP-rating requirements.
- Define and assess vibration and seismic qualification requirements.
- Consider serviceability accessibility and maintainability in the mechanical design.

Design leadership:
- Lead mechanical design reviews.
- Coordinate suppliers and manufacturing for prototype and production parts.
- Support mechanical qualification prototype builds and system integration.

SST System Alignment
- Design against the system specification environmental envelope where applicable: NEMA 3R outdoor rating -30C to 40C operating range C5 corrosion class 95% RH non-condensing 1000 m site elevation and defined transport/seismic loads.
- Account for the system physical envelope guidance and serviceability/transport constraints while developing the 510 MW platform.



A day in the life
As a Lead Mechanical Engineer youll focus on developing mechanical architecture for our 5-10 MW power systems working with cutting-edge liquid cooling and high-power electronics integration. Your day might include chairing mechanical design reviews where you evaluate structural and thermal concepts coordinating with suppliers on prototype development or mentoring junior designers through complex design challenges. Youll balance strategic architecture decisions with hands-on problem-solvingdefining how components interface with electrical thermal and manufacturing teams. Youll also assess environmental requirements like vibration and seismic qualification ensuring our systems operate reliably across diverse global locations from coastal to high-altitude environments.

About the team
We are AWS Infrastructure Servicesthe team that keeps the cloud running for millions of customers worldwide. We design plan deliver and operate all AWS global infrastructure managing thousands of variables across the supply chain to ensure continuous innovation and reliability. Our team is composed of collaborative engineers who thrive in solving complex interconnected problems. Were building the next generation of power systems and were looking for someone who shares our commitment to safety scalability and operational excellence. Youll work alongside thermal engineers electrical specialists and manufacturing partners contributing to a shared vision of more efficient reliable infrastructure. Our customers depend on us and we depend on talented people like you to help shape the future of cloud infrastructure.

Why AWS
Amazon Web Services (AWS) is the worlds most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating thats why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.

Inclusive Team Culture
Here at AWS its in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empowers us to celebrate our differences. Ongoing events and learning experiences including our Conversations on Race and Ethnicity (CORE) and diversity conferences inspire us to never stop embracing our uniqueness.

Work/Life Balance
We value work-life harmony. Achieving success at work should never come at the expense of sacrifices at home which is why flexible work hours and arrangements are part of our culture. When we feel supported in the workplace and at home theres nothing we cant achieve in the cloud.

Mentorship & Career Growth
We have a career path for you no matter what stage youre in when you start here. Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledge-sharing mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

- Bachelors degree in Mechanical Engineering or related experience.
- Demonstrated understanding of IP rating vibration and seismic qualification.
- Experience integrating high-power electronics and thermal-management systems.
- Experience documenting design decisions assumptions trade-offs risks and technical specifications.
- Experience using engineering analysis and measured evidence to drive decisions.
- Experience demonstrating maintaining a strong focus on safety reliability serviceability and scalable deployment.

- Masters degree or PhD in Electrical Engineering.
- 5 years leading mechanical design for power/electrical equipment or comparable high-power enclosures.
- Strong mechanical-engineering experience in complex industrial equipment.
- Experience with SolidWorks and/or CATIA V5.
- Demonstrated working effectively with adjacent engineering disciplines and contribute to full A-to-Z product ownership.
- Demonstrated operating effectively in a greenfield environment where standards and reference designs may require interpretation and adaptation.

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