As a Thermal/Mechanical Engineer at Annapurna Labs, you will design and optimize hardware for data centers, contributing to the development of cutting-edge technology that supports millions of AWS users. You will work in a fast-paced environment, collaborating with teams across multiple sites to enhance product performance and quality. This role requires a strong focus on thermal and mechanical design, as well as the application of new technologies in large-scale server deployments. You will have the opportunity to influence the design of systems that are integral to Amazon's cloud solutions.

• BS or MS degree in Mechanical/Thermal Engineering
• 3+ years 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 on 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 systems from circuit design to large system design and oversee them through high volume manufacturing.
• Collaborate effectively with teams across multiple sites to develop detailed specifications for product teams.
• Work with ODMs, heatsink vendors, and internal design teams to triage, debug, and resolve issues.
• Develop detailed CFD and compact RC models for SoC and Package thermal analysis.
• Simulate and prototype thermal control strategies.
• Validate thermal models through power and thermal measurements on hardware.
• Optimize thermal solutions under PPA and system design constraints.

• 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.