CareerPlan

Staff Tech Modem Software RF Engineer

San Diego, California, United States of AmericaFull-time$169k–$233k2026-09-17 → 2026-11-10

Core

Leads the design, implementation, verification, and commercialization of Wireless WAN (cellular) modem air interface RAN technologies software, focusing on mmWave 5G transceiver, HW control, and multi-RAT software implementation.

Role type

Staff IC modem software RF engineer

Builds

High-performance, cost-effective modem IP for multi-mode modems

Domain

Wireless telecommunications (5G/LTE), RF, and Modem Technologies

Deliverable

production ML models | product features

Required skills

Modem access stratum design, RF SW design, algorithms development, 3GPP specifications knowledge (LTE/5GNR), mmWave technology implementation, HW/SW/co-processor architecture, automation test framework development, big data analysis for performance optimization

Preferred skills

Advanced knowledge of WWAN L1/L2/L3 specifications, trade-off analysis for silicon area/calibration complexity/code size

Technologies

3GPP, LTE, 5GNR, mmWave, RFFE, HW APIs

Responsibilities

Design and implement multi-RAT modem software, collaborate with RFFE team on IP architecture, develop automation test frameworks, analyze mmWave performance big data, lead design reviews and project meetings

Seniority

Staff, hands-on IC