Principal Application Engineer

Job Locations US-CA-Sunnyvale | US-CA-Agoura Hills
Job ID


At Rambus, we are turning incredible possibilities into everyday reality by helping to deliver the innovations that greatly impact the world we live in.

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 the market today.

Our business is rooted in developing technologies and solutions that serve the needs of the market from the Data Center to the Mobile Edge. From our foundation in memory and interfaces, we leverage our history of high-speed circuit design leadership to create high-performance, low-power memory and serial link interface chips and IP cores to meet the needs of increasingly complex Data Center requirements.


We are seeking an experienced applications engineer with hardware design and lab debug expertise to support US and international customers of Rambus DDR4 and DDR5 memory buffer chips. Analyze and debug complex technical issues involving DIMM, server and BIOS operation and interaction.



  • Visit customers to analyze and debug complex technical issues.
  • Support technical qualification of new chip designs to secure customer design wins.
  • Assist with validation and debug of new memory buffer chips for DDR4 and DDR5 servers.
  • Collect and analyze signal integrity data at the system level.
  • Review server data logs to analyze system performance.
  • Present technical updates to customers and company management in writing and verbally.
  • Prepare technical documentation such as datasheets, user guides and application notes.






  • Familiar with DDR3/DDR4 memory operation in Intel and/or OEM servers.
  • BS degree or higher in Electrical Engineering or related field.
  • 5+ years of experience in hardware design or validation.
  • 2+ years of experience in applications engineering or other customer facing role.
  • Extensive experience with high speed oscilloscopes.
  • Ability to modify and test IBIS models for high speed semiconductor devices.
  • Ability to use scripting languages such as Perl, Tcl or Python to analyze data log text files.
  • Ability to travel up to 25%, including international travel.
  • Excellent verbal and written communications skills in English.



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 innovative hardware and software technologies, driving advancements from the data center to the mobile edge. Our chips, customizable IP cores, architecture licenses, tools, software, 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 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, visit


For additional information on life at Rambus and our current openings, check out


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