Principal Signal Integrity Engineer

  • 4453 North First Street, Suite 100, Alviso, San Jose, California, United States, 95134

At Rambus, we are turning incredible possibilities into everyday reality by helping to deliver the innovations that greatly impact the world we live in. We create leading-edge semiconductor and IP products, spanning memory and interfaces to security to smart sensors and lighting. Our products are integrated into tens of billions of devices and systems around the globe, running critical applications for Big Data, Internet of Things (IoT), mobile, consumer and media platforms.

 

And our history runs deep – we have been a staple in Silicon Valley for the past 30 years and are continually anticipating key technology trends and are developing innovations that drive market changes. From a pure IP provider to becoming a fabless chipmaker, Rambus is evolving to address critical challenges in the semiconductor industry with extraordinary success. 

 

As a dynamic organization, we are always seeking to hire exceptional talent to join some of the brightest inventors and engineers in the world to explore their passions to develop products that have real life impact. As well, Rambus benefits are among the most comprehensive and competitive in Silicon Valley.

Memory and interfaces are in our DNA. Leveraging over two decades of high-speed circuit design leadership, we make high-performance, low-power memory and serial link interface chips and IP cores to meet the needs of increasingly diverse enterprise and mobile applications. Featuring proven IP and advanced technology, our product families include server DIMM chipsets, R+ DDRn PHYs and R+ Serial Link PHYs.

 

The engineering team of Rambus Buffer Chips Business Unit is looking for a highly motivated Signal Integrity Engineer with package design experience working on modeling, analysis, and simulation of signal integrity (SI)/power integrity (PI) analysis for DDR products.

Responsibilities

 In this highly visible role, the candidate will be responsible for SI/PI analysis and package/board design guide for the latest DDR product portfolio. You will work with our design team to optimize package design, such as silicon floor plan, bump & package ball out, stack-up and physical routings based on system requirements. You will perform package extraction and system-level SI/PI analysis for DDR/CXL interfaces. You will help the team during debug and bring up in lab if needed.  You will have the opportunity to work with our customers to do collaboration to find the optimum SI/PI solution.

Qualifications

  • 5+ years of experience on SI/PI simulation and package design
  • Prior experience in simulating high speed DDR and/or SerDes interfaces
  • Must understand package and PCB design, be able to edit physical layout. Know SI/PI driven BGA assignment methodology and be able to simulate for the trade-offs in the context of a system
  • Possess strong fundamentals in EM simulation tools such as HFSS, SIwave, Power SI etc.
  • Experience in correlating simulation results with lab measurements using scopes, TDRs, VNAs etc.
  • Solid theoretical background and understanding in EM and transmission line theory is a must
  • Good knowledge of packaging technologies, substrate materials and manufacturing process is a strong plus
  • Familiarity with RedHawk/Totem or XcitePI and Virtuoso is a strong plus
  • Basic knowledge of circuits used in high-speed link design is preferred.
  • Excellent writing and presentation skills are essential as well as good communication skills to work with customers and cross-functionally
  • Must be an innovative, self-motivated individual, be able to manage and drive his projects, and must be a team player

 

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Rambus offers an extremely competitive compensation package, which includes a strong base salary, bonus, equity, matching 401(k), employee stock purchase plan, comprehensive medical and dental benefits, time-off program and gym membership.

Rambus creates cutting-edge semiconductor and IP products, spanning memory and interfaces to security, smart sensors and lighting. Our chips, customizable IP cores, architecture licenses, tools, services, training and innovations improve the competitive advantage of our customers. We collaborate with the industry, partnering with leading ASIC and SoC designers, foundries, IP developers, EDA companies and validation labs. Our products are integrated into tens of billions of devices and systems, powering and securing diverse applications, including Big Data, Internet of Things (IoT), mobile, consumer and media platforms. At Rambus, we are makers of better. For more information about Rambus, visit rambus.com. For additional information on life at Rambus and our current openings, check out rambus.com/careers/.

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