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ZooxZooxFoster City, CA

Senior / Staff Connectivity Integration Lead

Lead firmware connectivity systems integration and test for Zoox's TCU, owning performance, optimization, and debugging across 4G/5G, WiFi, and satellite networks. Requires 8+ years experience and deep expertise in cellular protocol stacks and wireless test platforms.

220k – 275k
Hybrid8+ YOEEmbedded Engineering

About the role

Responsibilities

  • Own performance, optimization, and debugging of the TCU (Telematics Control Unit)
  • Analyze diagnostics and log outputs across cellular networks, 4G/5G modem, internal software layer, WiFi, and more
  • Proactively design, facilitate, and evaluate advanced testing campaigns using industry-standard network emulation tools (e.g., Keysight UXM) to identify cellular edge cases and vulnerabilities
  • Ensure all interfaces are well-architected, documented, and validated (RF-baseband, baseband-protocol stack, AP to host, etc.)
  • Define component integration plans from bring-up to advanced functions; design and execute comprehensive test plans spanning hardware bring-up through large-scale fleet deployment
  • Perform challenging log reviews and cross-functional system integration analysis to identify root causes and propose solutions
  • Provide insights and feedback to improve performance and reliability of connectivity systems based on expertise in connectivity software and protocols
  • Review, adjust, or author Software, Firmware, and integration design specifications and requirements

Requirements

  • M.S. in Electrical Engineering, Telecommunications, or similar discipline with 8+ years of experience
  • Expertise in developing 3GPP cellular (4G, 5G-NR) / WiFi / Satellite feature test plans
  • Expertise debugging 4G-LTE / 5G-NR Protocol layers (MAC, L1, RF, FW)
  • Expertise in LTE/5G Protocol Stacks (NAS, PDCP, RRC, RLC, MAC, PHY)
  • Ability to use cellular network analysis tools (QXDM, Shannon Tools, Wireshark) and develop/automate log frameworks
  • Hands-on experience configuring/programming wireless test platforms (UXM, CMX500, SMBv100, Spirent)
  • Experience testing/troubleshooting modem development boards and prototypes

Skills

4G Lte5G NrWifiProtocol StacksMacPhyRrcRlcPdcpNasQxdmWiresharkKeysight UxmCmx500Spirent
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