Sr. Physical Design Methodology Engineer, Annapurna Labs

Company: Amazon
Location: Cupertino
Posted on: April 4, 2026

Job Description:

Annapurna Labs 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. Custom SoCs (System on Chip) live at the heart of AWS Machine Learning servers. As a member of the Cloud-Scale Machine Learning Acceleration team you’ll be responsible for the design and optimization of hardware in our data centers including AWS Inferentia, Trainium Systems (our custom designed machine learning inference and training datacenter servers). Our success depends on our world-class server infrastructure; we’re handling massive scale and rapid integration of emergent technologies. We’re looking for an ASIC Physical Design Methodology Engineer to help us trail-blaze new technologies and architectures, while ensuring high design quality and making the right trade-offs. Key job responsibilities Define, develop and deploy innovative physical design and verification methodologies (RTL2GDS) for ML Accelerator chips in advanced nodes Drive Optimizations in CAD flows/methodologies for PPA and TAT improvements Work with EDA tool vendors to evaluate new methods, resolve bugs, improve usability. Fine tune cloud infrastructure to improve compute and storage utilization for physical design work. Interface directly with RTL, Physical Design, Package Design, DFT teams to improve methodologies and efficiencies. Be able to independently troubleshoot digital tool flow usage and deploy solutions; Fluent in scripting languages such as TCL, Python, etc. and able to build scalable and efficient flows to support parallel design developments Create Dashboard and Central reports for project tracking and visualizing QoR/stats - Knowledge of one or more scripting languages (e.g., Python, Ruby, Perl) - BS 10yrs or MS 7yrs in EE/CS - 5 years developing physical design methodology or CAD flows in synthesis, PNR, and sign-off areas for advanced technology nodes. - Solid understanding of ASIC physical design, and methodologies including synthesis, place and route, STA, IR, formal and physical verification. - Demonstrated level of expertise in PD tools such as Innovus, ICC2, Fusion Compiler, STA, and Sign-Off. - Proven track record of delivering metric driven PPA flow development and support. - Expertise in high-performance, low-power physical design, and implementation techniques with industry standard synthesis, PnR, or Signoff tools. - Excellent programming skills in languages like Python, Perl, TCL, Shell, etc. Good understanding of algorithms with emphasis on optimizing algorithms. - Knowledge of technology nodes across foundries. - Experience in evaluating multiple vendor solutions and driving tool decisions. - Knowledge of creating dashboards and status reports for various EDA tool outputs, QOR metrics and analyzing trends (synthesis, pnr, signoff etc). - Experience with machine learning. - Excellent verbal and written communications. - Ability to work in dynamic work environment with changing needs and requirements. - Ability to provide mentorship, guidance to junior engineers and be a effective team player. - Meets/exceeds Amazon’s leadership principles requirements for this role. - Meets/exceeds Amazon’s functional/technical depth and complexity for this role. Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. Los Angeles County applicants: Job duties for this position include: work safely and cooperatively with other employees, supervisors, and staff; adhere to standards of excellence despite stressful conditions; communicate effectively and respectfully with employees, supervisors, and staff to ensure exceptional customer service; and follow all federal, state, and local laws and Company policies. Criminal history may have a direct, adverse, and negative relationship with some of the material job duties of this position. These include the duties and responsibilities listed above, as well as the abilities to adhere to company policies, exercise sound judgment, effectively manage stress and work safely and respectfully with others, exhibit trustworthiness and professionalism, and safeguard business operations and the Company’s reputation. Pursuant to the Los Angeles County Fair Chance Ordinance, we will consider for employment qualified applicants with arrest and conviction records. 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. The base salary range for this position is listed below. Your Amazon package will include sign-on payments and restricted stock units (RSUs). Final compensation will be determined based on factors including experience, qualifications, and location. Amazon also offers comprehensive benefits including health insurance (medical, dental, vision, prescription, Basic Life & AD&D insurance and option for Supplemental life plans, EAP, Mental Health Support, Medical Advice Line, Flexible Spending Accounts, Adoption and Surrogacy Reimbursement coverage), 401(k) matching, paid time off, and parental leave. Learn more about our benefits at https://amazon.jobs/en/benefits . USA, CA, Cupertino - 183,000.00 - 247,600.00 USD annually

Keywords: Amazon, Elk Grove , Sr. Physical Design Methodology Engineer, Annapurna Labs, Engineering , Cupertino, California