Firmware Engineer Iii, Wireless Data and Voice Path

Google Google · Big Tech · Mountain View, CA +1

Firmware Engineer III, Wireless Data and Voice Path at Google, focusing on optimizing LTE and 5G audio paths, JBM, RTP, PDCP/RLC, and MAC for low-latency data transmission and power consumption. The role involves feature ownership, debugging, and collaboration with global carriers and cross-layer teams for Pixel releases.

What you'd actually do

  1. Enhance modem data path and voice traffic path features to improve user experience.
  2. Optimize LTE and 5G related audio paths including JBM, RTP, PDCP/RLC and MAC in the wireless modem.
  3. Analyze, debug and fix modem protocol issues from the testing team, certification lab, and customers.
  4. Work and design with the global carriers engineering team to meet customer’s performance and features requirements.
  5. Collaborate with cross-layer teams, including layer 1 and Android audio related teams.

Skills

Required

  • modem protocol development
  • 3GPP LTE and 5G NR data or audio path development
  • coding with a general purpose programming language (e.g. C/C++)
  • wireless communications
  • mobile
  • embedded systems

Nice to have

  • 3GPP L2 protocol stack, including MAC, RLC, and PDCP layers
  • LTE and 5G MAC layer scheduling, including data prioritization, HARQ, and C-DRX alignment
  • wireless audio path components, including Jitter Buffer Management (JBM) and RTP protocol optimizations
  • Excellent problem-solving and troubleshooting skills

What the JD emphasized

  • optimization of long-term evolution (LTE) and 5G related audio path
  • low-latency data transmission
  • wireless scheduling and voicedata prioritization