Staff RF Coexistence Engineer (Coex)
Core
Ensure multi-radio performance (throughput, latency, interference) across cellular, Wi-Fi, Bluetooth, GNSS, and UWB in next-gen vehicle platforms.
Role type
Senior individual contributor RF Coexistence Engineer
Builds
In-house hardware and RF system designs for GM vehicles
Domain
Automotive wireless systems and RF engineering
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
Multi-radio interference analysis, RF/wireless protocols (Wi-Fi, Bluetooth, LTE/5G), RF simulation (CST, HFSS, FEKO), OTA/conducted testing, system-level debugging, PCB layout and antenna design, root-cause analysis
Preferred skills
Automotive wireless systems (infotainment, telematics), consumer electronics (smartphones, wearables), firmware-driven coexistence algorithms
Technologies
UXM, CMX, MT8000A, CMW500, CST, HFSS, FEKO
Responsibilities
Own coexistence performance execution for assigned systems; Develop multi-radio coexistence solutions; Analyze throughput degradation, latency, and radio contention; Execute coexistence validation plans using wireless test systems; Lead root-cause investigation of coexistence issues; Apply design-for-coexistence frameworks (PCB layout, shielding, timing management)
Seniority
Senior, hands-on IC