Cellular 4G/5G Firmware RF Verification Engineer

San Diego, California, United States


Role Number:200448938
As part of an outstanding modem team, you’ll craft powerful embedded firmware that deliver more performance in our products than ever before! You’ll work across subject areas to transform improved hardware elements into a single, coordinated design. Join us, and you’ll help us innovate new wireless systems technologies that continually outperform the previous iterations. By collaborating with other product development groups across Apple, we'll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world! Do you want to have an impact on every single Apple product? As a Cellular 5G/4G Firmware RF Verification Engineer, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for crafting and productizing groundbreaking cellular SoCs. This position requires someone comfortable will all aspects of embedded firmware verification, that thrives in a multi-functional organization, is not afraid to debate ideas openly, and is flexible enough to shift on requirements.

Key Qualifications

  • Minimum BS and 10+ years of relevant industry experience
  • Strong RF background and familiarity with RF systems fundamentals as well as hands-on experience with RF test equipment (network analyzer, spectrum analyzer, vector signal analyzer, vector signal generator, etc.)
  • Validated understanding on RF, PLL, and general wireless systems measurements (i.e. ACLR, ACPR, EVM, phase noise, lock time, etc.)
  • Experience in cellular RF system development / RF SW verification
  • Ability to work multi-functionally with different teams to define & implement RF verification test plan that will help achieve the outstanding modem targets
  • Knowledge of RF transceiver and RF front end components controlling for 4G/5G radio as well as understanding of RF calibrations for compensating RF impairments
  • Shown track-record of innovation and hands-on experience in RF measurement setup and test methodology
  • Strong understanding of automation tools and scripting languages such as Python, C/C++, Java (a plus)
  • Strong proven understanding of multiple 4G/5G signaling and physical layer test equipment along with their automation interfaces
  • Experience with network emulators, silicon prototyping, emulation systems, and virtual platforms will be an added plus


Work closely with the product teams, implement and complete RF test plan according to cellular modem RF SW requirements Study and analysis of post-Silicon RF measurement data and test results to debug issues and identify potential optimization opportunities Design, setup and maintain RF test platforms including integration & bring up DUT Active participation in modem RF measurement, solving and optimization Work with system engineers and FW developers to understand the details of system design, modem architecture and FW implementation to supply to RF optimization, issue triaging & debugging

Education & Experience

Minimum BS and 10+ years of relevant industry experience

Additional Requirements

Pay & Benefits