> Markdown version of [/jobs/ext/1408845-sr-signal-integrity-power-integrity-engineer-annapurna-labs-machine-learning-hardware](https://www.wearedevelopers.com/jobs/ext/1408845-sr-signal-integrity-power-integrity-engineer-annapurna-labs-machine-learning-hardware). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Sr. Signal Integrity / Power Integrity Engineer, Annapurna Labs, Machine Learning Hardware - **Company:** Amazon.com, Inc. - **Location:** Austin, TX, United States - **Experience:** Expert - **Salary:** $159,200.0 - $215,300.0 - **Contract:** Permanent contract - **Skills:** Amazon Web Services, Code Review, Hardware Design, MATLAB, Machine Learning, PCI Express, Cadence Virtuoso, Signal Integrity, Hfss, Pcb Layout - **Published:** July 23, 2026 - **Apply:** https://dejobs.org/x/x/D1C1BF4BA9AE4CD3BBA4BD2ED4454779/job/ ## About the Role * Strong communication and teamwork skills, with the ability to interact effectively with cross-functional teams. * Decisive, yet collaborative, approach, balancing technical constraints with business and manufacturing considerations. * Problem-solving mindset, able to troubleshoot and resolve SI/PI-related challenges efficiently., * Deep understanding of SI concepts and strong analytical skills in signal and power integrity. * Hands-on experience with simulation tools such as ADS, MATLAB, Cadence, HFSS, and others. * Proficiency in high-speed channel simulations, including system-level modeling and validation. * Experience with PCIe protocols and equalization methods (DFE, CTLE, FFE). * Knowledge of clock distribution and jitter analysis for high-speed designs. * Expertise in PCB layout and board manufacturing processes, including identifying and mitigating potential issues. * Hands-on experience in stack-up design, including dielectric material selection, impedance control, and layer optimization. Preferred Qualifications * Experience in power integrity analysis and power delivery network (PDN) optimization. * Familiarity with high-speed design compliance testing and validation methodologies. * Knowledge of EMC/EMI mitigation techniques. ## Description We are seeking a Senior SI/PI Engineer (Signal Integrity and Power Integrity) who will play a key role in the definition, design and validation of AWS next generation machine learning ASICs. As a senior member of our hardware team, you will have a meaningful opportunity to participate in the design and execution of all SI related topics, with the goal of creating and customized platforms that fit within AWS datacenter's world leading technology., * Perform end-to-end high-speed channel simulations to ensure signal integrity across complex designs. * Conduct SI/PI analysis to optimize PCB layouts, minimizing losses and signal degradation. * Utilize simulation tools such as ADS, MATLAB, Cadence, HFSS, and others to evaluate performance and troubleshoot issues. * Work with PCIe protocols and equalization techniques (DFE, CTLE, FFE) to optimize high-speed interfaces. * Analyze clock distribution and jitter, ensuring signal timing and integrity across designs. * Collaborate with PCB layout and hardware design teams to define optimal stack-ups and trade-offs for manufacturing feasibility and performance. * Identify and mitigate PCB manufacturing issues, ensuring high production yield and reliability. * Work closely with cross-functional teams, including hardware design, validation, and product engineering, to align on requirements and trade-offs. About the team Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures, and we're building an environment that celebrates knowledge-sharing and mentorship. Our senior members enjoy one-on-one mentoring and thorough, but kind, code reviews. We care about your career growth and strive to assign projects that help our team members develop your engineering expertise so you feel empowered to take on more complex tasks in the future. ## Related Videos - [More efficient software for more efficient microchips](https://www.wearedevelopers.com/videos/1164-more-efficient-software-for-more-efficient-microchips) - [Leveraging Large Language Models for Legacy Code Translation: Challenges and Solutions](https://www.wearedevelopers.com/videos/1157-leveraging-large-language-models-for-legacy-code-translation-challenges-and-solutions) - [The Billion Dollar Machine: First Time Right.](https://www.wearedevelopers.com/videos/393-the-billion-dollar-machine-first-time-right) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) - [WWC24 - Ankit Patel - Unlocking the Future Breakthrough Application Performance and Capabilities with NVIDIA](https://www.wearedevelopers.com/videos/920-wwc24-ankit-patel-unlocking-the-future-breakthrough-application-performance-and-capabilities-with-nvidia) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [Dev Digest 162: AI careers, MCP, AWS best practices & floppy sweaters](https://www.wearedevelopers.com/magazine/571-dev-digest-162-ai-careers-mcp-aws-best-practices-floppy-sweaters) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Dev Digest 120 - Apple and peers](https://www.wearedevelopers.com/magazine/455-dev-digest-120-apple-and-peers) - [Dev Digest 121 - AI goes offline](https://www.wearedevelopers.com/magazine/456-dev-digest-121-ai-goes-offline) - [Fullstack developer salary in Germany [2023]](https://www.wearedevelopers.com/magazine/197-fullstack-developer-salary-in-germany-2023)