Customer-Focused Silicon Validation Engineer- DDR/Memory Tuning

2 weeks ago

Santa Clara, United States Ampere Full time

The Role:

Ampere Computing is seeking a Customer-Focused Post-Silicon Validation Engineer- DDR / Memory Tuning to join a talented and experienced team to validate server class products for memory sub-system that power Cloud, Enterprise, and Data Center  Ampere's competitive edge depends on building CPUs optimized for high performance, low power with cutting edge technology. It poses a unique challenge, gives us opportunities to innovate, and makes our jobs fun.

Our team has a start-up attitude: plenty of opportunities to learn and grow and plenty of room for innovation. We also have great mentors for you in the field of custom processor/controller/ Physical Layer (PHY) architecture, mix signal analog-digital designs, server system design, virtual and cloud software frameworks, product development, etc. to name a few. They are industry veteran architects and designers who know how to build and deliver leadership products. Come here to learn, add value, and be part of what comes next in the semiconductor industry.

What the Team wants you to know:

You will learn the Ampere's processor micro-architecture, core & Mesh, DDR5 memory, PCIe IO interface, system RAS, etc. features. You will contribute to validation of Ampere's DDR5 memory subsystem, PHY, Equalization, IO characterization, DDR training routines, memory controller RAS & performance in both emulation and post-silicon environments. Role may include but not limited to: Engaging with and providing customer support with IP & DDR vendors and customers, Writing and debugging tests for Firmware level bare metal environment, BIOS initialization sequence, hypervisors, OS level applications and benchmarks. 

What you'll do:  

  • Setup DDR4/5 pre/post-silicon validation environment, boards, test equipment.
  • Contribute towards SI/PI related debug & testing, IO tuning, compliance testing and PVT characterization.
  • Develop software routines for DDR PHY/DRAM initialization / training routines, equalization & IO tuning, SI/PI related optimization, etc.
  • Validate and characterize the silicon on server board system and execute data collection, AVL (Approved vendor list) test, DDR DIMM interoperability test.
  • Be the "point person" for engaging directly with IP and DDR vendors and customers. To help identify issues, understand concerns and offer solutions.
  • Involve writing test plans, executing test plan in post silicon environments, perform debugging and failure analysis alongside the Silicon and Board design engineers to identify and fix any hardware bugs before going into production.

What you “must” already bring in your skill set:  

  • 3+ years of post-silicon validation experience
  • 2+ years of DDR5 Driver experience.
  • Exposer to DRAM initialization / Training.
  • 1+ years of Input/Output (I/O), Signal Integrity (SI) tuning and Margin Optimization
  • Expert in SI integrity measurements, equalization features validation and related tuning.
  • 1 year Analog Engineering/Validation know-how.
  • Exposer dealing directly with IP and DDR vendors/customers.
  • Customer-focused skills as a Hardware Application Engineer highly-desirable.
  • Minimum of 2 year of experience in developing and testing DDR sub systems
  • Working experience with DDR4/5 controller and PHY, JEDEC and DFI specifications
  • Microcontroller & Embedded Systems Programming Experience in C/C++

Preferred Qualifications:  

  • Deep understanding of Server boot flow and specifically DDR initialization process.
  • Comfortable with the lab environment, using DMM, high speed oscilloscopes, compliance, and similar tools.
  • Knowledge of High-speed analog and VLSI design, transmission-line theory.
  • Debug skills at both SoC and system level.
  • Strengths in script languages such as Perl or Python, Linux shell script.
  • Strong communication and interpersonal skills are required along with the ability to work in a dynamic, product oriented, distributed team.
  • Must be a self-starting team player with excellent communication skills who can work with minimal guidance.

Education:

Bachelor’s degree (Master's preferred) in Electrical Engineering, Computer Engineering or a related technical field.

Perks in Santa Clara  

  • Office has panoramic views of Silicon Valley  
  • Garage parking  
  • Gym and café on campus  
  • Healthy snacks and drinks  
  • Standing desks  
  • Ping-pong  
  • Unlimited Flextime  



Pay and Benefits

Ampere offers a competitive total rewards package that includes base pay, bonus, stock, and comprehensive benefits. The full base pay range for this role is between $116,000 and $194,000. We also offer an annual bonus program tied to internal company goals and annual meritocratic stock awards that enable our employees to participate in the success of the company. Our benefits include health, wellness, and financial programs that support employees through every stage of life, with full benefits eligibility at 20 hours per week. Beyond compensation and benefits, our passionate teams thrive in an inclusive culture that empowers our employees to do more and grow more - all in service of inventing industry leading cloud-native designs that contribute to a more sustainable future. We look forward to sharing more about our career opportunities through interviews but reach out to talent@amperecomputing.com if you have questions that can’t wait.

About Ampere

Ampere is designing the future of hyperscale cloud and edge computing with the world’s first cloud native processor. Built for the cloud with a modern 64-bit Arm server-based architecture, Ampere gives customers the freedom to accelerate the delivery of all cloud computing applications. With industry-leading cloud performance, power efficiency and scalability, Ampere processors are tailored for the continued growth of cloud and edge computing.

Our Story  

Like the scientist behind its name, Ampere employees are innovators. We understand the needs of cloud computing and different software requirements. We are inventing what comes next and looking at everything from the structure of memory and how efficient the system is, to considerations on speed, cost of electricity and ability to cool. Power, size, weight, and cost are driving the technology requirements and the innovation to come.

Our world class team of engineers, with depth and expertise in the cloud and semiconductor industries, is not only focused on the development of new semiconductor designs but also building out the first software ecosystem for Arm®-based server processors. Through the Ampere approach to the cloud and edge, we give our customers the freedom to challenge the status quo and accelerate next-generation data centers for the most memory-intensive applications.  Given the challenge we have outlined, we are building a culture of entrepreneurs that ensure customers come first, proactively approaching industry challenges in the areas of security, power, and performance, delivering results that matter most.

#LI-GW1
#LI-Hybrid

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