CareerPlan

Modem System Test Engineer – 6G/5G Air Interface

San Diego, California, United States of AmericaFull-time$93k–$140k2026-09-17 → 2026-11-10
Based in United States

Core

Verify and evaluate performance of complex digital modem products for 5G and 6G cellular technologies.

Role type

System Test Engineer (Wireless Modem)

Builds

5G NR and emerging 6G modem products for global markets

Domain

Telecommunications / Wireless Communications

Required skills

Cellular protocol stack validation (PHY, MAC/RLC/PDCP, RRC, NAS, TCP/IP), System-level test strategy development, Log analysis and debugging, 3GPP specification analysis, Test equipment operation (protocol simulators, channel emulators), Python, MATLAB

Preferred skills

Digital and wireless communication systems, Signal processing, RF propagation, Physical layer procedures (signal detection, channel estimation, link adaptation, mmWave beam refinement, massive MIMO), Air interface performance analysis, AI/ML concepts in digital communications