Sr. Signal Integrity / Power Integrity Engineer, Annapurna Labs, Machine Learning Hardware

Amazon Web Services (AWS); Austin (TX); On-site; USD 132,000 - 198,000; Full time

Job summary

Join Amazon Web Services (AWS) as a Senior Signal Integrity / Power Integrity Engineer in Austin, TX. You will be integral in designing and validating next-generation machine learning ASICs, ensuring high-speed performance and signal integrity across complex designs. This role offers a collaborative environment focused on mentorship and career growth.

Qualifications

• Deep understanding of SI concepts and analytical skills.
• Hands-on experience with simulation tools.
• Proficiency in high-speed channel simulations.

Responsibilities

• Perform high-speed channel simulations for signal integrity.
• Conduct SI/PI analysis to optimize PCB layouts.
• Collaborate with hardware design teams for optimal stack-ups.

Skills

Strong communication

Teamwork

Problem-solving

Education

Bachelor's degree in Engineering or related field

Tools

ADS

MATLAB

Cadence

HFSS

Job description

Sr. Signal Integrity / Power Integrity Engineer, Annapurna Labs, Machine Learning Hardware

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Sr. Signal Integrity / Power Integrity Engineer, Annapurna Labs, Machine Learning Hardware

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Description

Annapurna Labs (our organization within AWS) designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve challenges that were unimaginable a short time ago—even yesterday. Our custom chips, accelerators, and software stacks enable us to take on technical challenges that have never been seen before, and deliver results that help our customers change the world.

Description

Annapurna Labs (our organization within AWS) designs silicon and software that accelerates innovation. Customers choose us to create cloud solutions that solve challenges that were unimaginable a short time ago—even yesterday. Our custom chips, accelerators, and software stacks enable us to take on technical challenges that have never been seen before, and deliver results that help our customers change the world.

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.

Candidates will be successful in this role with these skills:

• 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.
  
  

Key job responsibilities

• 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.

Diverse Experiences

AWS values diverse experiences. Even if you do not meet all of the qualifications and skills listed in the job description, we encourage candidates to apply. If your career is just starting, hasn’t followed a traditional path, or includes alternative experiences, don’t let it stop you from applying.

About AWS

Amazon Web Services (AWS) is the world’s most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating — that’s 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, it’s in our nature to learn and be curious. Our employee-led affinity groups foster a culture of inclusion that empower us to be proud of our differences. Ongoing events and learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender 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 we strive for flexibility as part of our working culture. When we feel supported in the workplace and at home, there’s nothing we can’t achieve in the cloud.

Mentorship & Career Growth

We’re continuously raising our performance bar as we strive to become Earth’s Best Employer. That’s why you’ll find endless knowledge-sharing, mentorship and other career-advancing resources here to help you develop into a better-rounded professional.

Basic Qualifications

• 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.
  
  

Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status.

Our inclusive culture empowers Amazonians to deliver the best results for our customers. If you have a disability and need a workplace accommodation or adjustment during the application and hiring process, including support for the interview or onboarding process, please visit https://amazon.jobs/content/en/how-we-hire/accommodations for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner.


Company - Annapurna Labs (U.S.) Inc.

Job ID: A2991140

Seniority level

• Seniority level

  Mid-Senior level

Employment type

• Employment type

  Full-time

Job function

• Job function

  Manufacturing and Engineering

• Industries

  IT Services and IT Consulting

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