Sr Signal Integrity Power Integrity Engineer Annapurna Labs Machine Learning Hardware
Sr Signal Integrity Power Integrity Engineer Annapurna Labs Machine Learning Hardware
Posted on :
01-05-2025
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1 Vacancy
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Monthly Salary
Not Disclosed
Salary Not Disclosed
Vacancy
1 Vacancy
Posted on :
01-05-2025
Job 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 agoeven 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 of all SI related topics with the goal of creating and customized platforms that fit within AWS datacenters 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 crossfunctional teams.
Decisive yet collaborative approach balancing technical constraints with business and manufacturing considerations.
Problemsolving mindset able to troubleshoot and resolve SI/PIrelated challenges efficiently.
Key job responsibilities
Perform endtoend highspeed 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 highspeed interfaces.
Analyze clock distribution and jitter ensuring signal timing and integrity across designs.
Collaborate with PCB layout and hardware design teams to define optimal stackups and tradeoffs for manufacturing feasibility and performance.
Identify and mitigate PCB manufacturing issues ensuring high production yield and reliability.
Work closely with crossfunctional teams including hardware design validation and product engineering to align on requirements and tradeoffs.
About the team
Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures and were building an environment that celebrates knowledgesharing and mentorship. Our senior members enjoy oneonone 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 hasnt followed a traditional path or includes alternative experiences dont let it stop you from applying.
About AWS
Amazon Web Services (AWS) is the worlds most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating thats 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 its in our nature to learn and be curious. Our employeeled 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 worklife 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 theres nothing we cant achieve in the cloud.
Mentorship & Career Growth
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledgesharing mentorship and other careeradvancing resources here to help you develop into a betterrounded professional.
Deep understanding of SI concepts and strong analytical skills in signal and power integrity.
Handson experience with simulation tools such as ADS MATLAB Cadence HFSS and others.
Proficiency in highspeed channel simulations including systemlevel modeling and validation.
Experience with PCIe protocols and equalization methods (DFE CTLE FFE).
Knowledge of clock distribution and jitter analysis for highspeed designs.
Expertise in PCB layout and board manufacturing processes including identifying and mitigating potential issues.
Handson experience in stackup design including dielectric material selection impedance control and layer optimization.
Experience in power integrity analysis and power delivery network (PDN) optimization.
Familiarity with highspeed 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 for more information. If the country/region youre applying in isnt listed please contact your Recruiting Partner.
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 of all SI related topics with the goal of creating and customized platforms that fit within AWS datacenters 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 crossfunctional teams.
Decisive yet collaborative approach balancing technical constraints with business and manufacturing considerations.
Problemsolving mindset able to troubleshoot and resolve SI/PIrelated challenges efficiently.
Key job responsibilities
Perform endtoend highspeed 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 highspeed interfaces.
Analyze clock distribution and jitter ensuring signal timing and integrity across designs.
Collaborate with PCB layout and hardware design teams to define optimal stackups and tradeoffs for manufacturing feasibility and performance.
Identify and mitigate PCB manufacturing issues ensuring high production yield and reliability.
Work closely with crossfunctional teams including hardware design validation and product engineering to align on requirements and tradeoffs.
About the team
Our team is dedicated to supporting new members. We have a broad mix of experience levels and tenures and were building an environment that celebrates knowledgesharing and mentorship. Our senior members enjoy oneonone 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 hasnt followed a traditional path or includes alternative experiences dont let it stop you from applying.
About AWS
Amazon Web Services (AWS) is the worlds most comprehensive and broadly adopted cloud platform. We pioneered cloud computing and never stopped innovating thats 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 its in our nature to learn and be curious. Our employeeled 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 worklife 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 theres nothing we cant achieve in the cloud.
Mentorship & Career Growth
Were continuously raising our performance bar as we strive to become Earths Best Employer. Thats why youll find endless knowledgesharing mentorship and other careeradvancing resources here to help you develop into a betterrounded professional.
Deep understanding of SI concepts and strong analytical skills in signal and power integrity.
Handson experience with simulation tools such as ADS MATLAB Cadence HFSS and others.
Proficiency in highspeed channel simulations including systemlevel modeling and validation.
Experience with PCIe protocols and equalization methods (DFE CTLE FFE).
Knowledge of clock distribution and jitter analysis for highspeed designs.
Expertise in PCB layout and board manufacturing processes including identifying and mitigating potential issues.
Handson experience in stackup design including dielectric material selection impedance control and layer optimization.
Experience in power integrity analysis and power delivery network (PDN) optimization.
Familiarity with highspeed 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 for more information. If the country/region youre applying in isnt listed please contact your Recruiting Partner.
Required Experience:
Senior IC
Employment Type
Full-Time
Key Skills
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