Amazon Web Services (AWS) is looking for a Principal Engineer to join their Hardware Engineering team, focusing on signal integrity challenges in next-generation server platforms. This role involves addressing complex technical issues that affect millions of AWS servers globally. The position requires collaboration with silicon vendors and driving architectural decisions for high-speed interconnects. The successful candidate will provide technical leadership and develop validation methodologies for various interfaces.

• Deep expertise in PCIe Gen5/6 specifications and electrical standards
• Extensive experience solving signal integrity challenges at 64GT/s and above
• Proven track record in debugging and resolving I2C and SPI interface issues in complex server environments
• Strong background in using advanced test equipment such as high-end oscilloscopes and protocol analyzers
• Experience with SerDes operation, retimer, and switch designs
• Demonstrated success in multi-vendor debugging and system integration
• Experience in hyperscale computing environments
• Background in hardware-based security implementations
• Expertise in automated validation systems
• Experience working with silicon vendors on pre-production implementations

• Lead technical initiatives to resolve signal integrity challenges across PCIe Gen6 implementations and system management interfaces
• Drive architectural decisions for high-speed interconnects in AWS's GenAI server platforms
• Collaborate with silicon vendors to resolve complex multi-vendor integration challenges
• Develop and implement comprehensive validation methodologies for both high-speed and low-speed interfaces
• Provide technical leadership in solving critical signal integrity issues affecting server stability and performance
• Transform unstable implementations into reliable, production-grade solutions

• 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.