Sr. Physical Design Engineer, Annapurna Labs

Sr. Physical Design Engineer, Annapurna Labs Amazon Web Services provides a highly reliable, scalable, low‑cost infrastructure platform in the cloud that powers hundreds of thousands of businesses in 190 countries around the world. We have data center locations in the U.S., Europe, Singapore, and Japan, and customers across all industries. 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 Engineer to help us trail‑blaze new technologies and architectures, while ensuring high design quality and making the right trade‑offs. Key Job ResponsibilitiesWork with RTL/logic designers to drive architectural feasibility studies, explore power‑performance‑area tradeoffs for physical design closure. Drive IO/Core block physical implementation through synthesis, floor planning, bus / pin planning, place and route, power/clock distribution, congestion analysis, timing closure, IR drop analysis, physical verification, ECO and sign‑off. Develop physical design methodologies. Evaluate 3rd‑party IP and provide recommendations. Be a highly‑valued member of our start‑up like team through excellent collaboration and teamwork with other physical design engineers as well as with the RTL/Arch. teams.About the Team Inclusive Team Culture: Here at AWS, we embrace our differences. We are committed to furthering our culture of inclusion. We have ten employee‑led affinity groups, reaching 40,000 employees in over 190 chapters globally. We have innovative benefit offerings, and host annual and ongoing learning experiences, including our Conversations on Race and Ethnicity (CORE) and AmazeCon (gender diversity) conferences. Amazon’s culture of inclusion is reinforced within our 16 Leadership Principles, which remind team members to seek diverse perspectives, learn and be curious, and earn trust. Basic QualificationsBS + 8 years or MS + 6 years in EE/CS. 6+ years in ASIC Physical Design from RTL-to-GDSII in either 7nm, 14/16nm, 20nm, or 28nm. Block Design using EDA tools (e.g., Cadence, Mentor Graphics, Synopsys) including synthesis, equivalency verification, floor planning, bus / pin planning, place and route, power/clock distribution, congestion analysis, timing closure, IR drop analysis, physical verification, and ECO. Deep understanding of sign‑off activities (timing, IR/EM, physical verification). Scripting experience with Tcl, Perl or Python.Preferred QualificationsExpertise using CAD tools (e.g., Cadence, Mentor Graphics, Synopsys) to develop flows for synthesis, formal verification, floor planning, bus / pin planning, place and route, power/clock distribution, congestion analysis, timing closure, IR drop analysis, physical verification, and ECO. 4+ years in integrating IP and ability to specify and drive IP requirements in the physical domain. Thorough knowledge of device physics, custom/semi‑custom implementation techniques. Experience solving physical design challenges across various technologies such as DDR, PCIe, fabrics, etc. Experience in extraction of design parameters, QOR metrics, and analyzing trends. Ability to provide mentorship, guidance to junior engineers and be a very 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; 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, please visit for more information. If the country/region you’re applying in isn’t listed, please contact your Recruiting Partner. Our compensation reflects the cost of labor across several U.S. geographic markets. The base pay for this position ranges from $143,300/year in our lowest geographic market up to $247,600/year in our highest geographic market. Pay is based on a number of factors including market location and may vary depending on job‑related knowledge, skills, and experience. Amazon is a total compensation company. Dependent on the position offered, equity, sign‑on payments, and other forms of compensation may be provided as part of a total compensation package, in addition to a full range of medical, financial, and other benefits. For more information, please visit This position will remain posted until filled. Applicants should apply via our internal or external career site. Important FAQs for Current Government Employees Before proceeding, please review the following FAQs Amazon is an equal opportunity employer and does not discriminate on the basis of protected veteran status, disability, or other legally protected status. #J-18808-Ljbffr