The Thermal/Mechanical Engineer role at Annapurna Labs focuses on designing and optimizing hardware for data centers, contributing to the development of cutting-edge cloud solutions. As part of the Machine Learning Acceleration team, you will lead the application of new technologies to enhance server performance and customer experience. The position requires collaboration with various teams and offers the opportunity to impact millions of AWS users. This fast-paced environment demands high standards and a commitment to continuous improvement.

• BS or MS degree in Mechanical/Thermal Engineering
• 10+ years of industry experience in Mechanical and Thermal design of Systems
• Experience in thermal and performance measurements and characterization on SoCs, Servers, and Systems
• 3+ years of experience in SoC Thermal modelling and IC package transient thermal response
• Experience with Chip package, System Mechanical & Thermal design for air-cooled and liquid-cooled systems
• Knowledge of SoC thermal/mechanical design methodology, power modeling and thermal analysis techniques
• Familiarity with tools such as Ansys Icepak, FloTherm, Cadence Celsius, PTC Creo, and Solidworks
• Programming experience in Bash script, Shell script, Linux, Python, and Lua
• Working knowledge of fans, valves, chillers, and CDUs
• Knowledge of various types of technologies used for Heatsink solutions, Thermal Interface Materials (TIMs) and liquid cooling technologies

• Design and build systems for the world's largest computing infrastructure.
• Develop from circuit design to large system design and oversee high volume manufacturing.
• Collaborate effectively with teams across multiple sites to develop detailed specifications.
• Work with ODMs, heatsink vendors, and internal design teams to resolve cross-boundary issues.
• Develop detailed CFD and compact RC models for SoC and Package thermal analysis.
• Optimize thermal solutions under PPA and system design constraints.
• Simulate and prototype thermal control strategies.
• Validate thermal models through power/thermal measurements on hardware.

• Employees at Amazon are often offered comprehensive health benefits—including multiple medical plan options (no pre-existing condition exclusions, 100% covered in-network preventive care), dental and vision plans, a 24/7 medical advice line from day one, expert second-opinion services, and broad mental-health support with several free counseling sessions (including pediatric). Financial wellness typically includes a 401(k) with company match (up to 2%), Restricted Stock Units (equity), FSAs, an emergency savings program, product and partner discounts, and even college-savings and home-purchase programs. Overall, the package is designed to support employees and their families’ health, finances, and day-to-day life.