HBM Validation Engineer, Annapurna Labs

Amazon
USA, TX, Austin2026-04-29ONSITE

About the job

We are seeking an HBM/DDRx validation expert with a heavy focus on validation of AWS next generation ML Chips, Cards and server integration. As a member of our memory team, you will have the opportunity to participate in the execution of HBM across all Trainium platforms, with the goal of improving the characteristics of HBM for our world leading Trainium AI servers. Our HBM engineers need to independently work with vendors, understand the settings, write/modify tests, debug and collect data in the fleet.

Responsibilities

Collaborate with architects, design teams, and software engineers on our next generation ML chips

Support on-going debug and operations of previous ML chips within manufacturing and the data center

Dive deep into IP integration, packaging, silicon bring up, characterization, and validation of our HBM subsystems

Independently develop the scripts you need to execute and collaborate with software engineers as your needs scale

Qualifications

Minimum

BS in Electrical Engineering, Computer Engineering, Systems Engineering, Computer Science or related field.

5+ years of experience in Silicon development with

3+ years in SOC/IO/Subsystems

Good understanding of DDR/HBM at the PHY and controller level

Good knowledge of DDR/HBM training, timing parameters and/or controller features

Support the physical design team with IP integration, silicon design, 2.5D packaging, clocking and timing constraints

Ability to create scripts (lua, bash, python, etc.) to accomplish functional day to day tasks.

Drive cross-functional triage effort on functional and performance issues

Perform system-level debug and root-cause analysis through bring-up, characterization, validation and production phase

Experience Working with 3rd party IP and memory vendors

Preferred

MS in Electrical Engineering, Computer Engineering, Systems Engineering, Computer Science or related field.

Strong Firmware development skills within embedded environments

Good leadership skills and ability to multi-task and thrive in a dynamic environment

Knowledge of HBM, DDRx and related protocols

Good communication skills and interpersonal skills