Apple
Cellular Software Architect/Developer - Wireless Technologies & Ecosystems
$185K–$325K
Sunnyvale, California · Full-time · Posted Oct 7, 2026
- Experience
- No number of years stated; experience with UE and/or network protocol development for 4G/5G technologies is essential.
- Education
- Bachelor’s or graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree.
About the job
Designs, develops, and maintains cellular network simulations by implementing 4G/5G protocol functionality and interfaces.
What you'll do
- Design, develop, and maintain network simulations.
- Implement 4G/5G protocol functionality and interfaces based on relevant 3GPP releases.
- Apply expertise in cellular protocol procedures and network interactions.
What they ask for
- Bachelor’s or graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree.
- Excellent knowledge of the 4G/5G protocol stack and procedures, especially RRC, MAC, and PHY layers.
- Working knowledge of implementing test basestation and RAN/CN network emulators.
- Excellent software development and debugging skills, including design and programming in C, C++, and scripting.
Nice to have
- Strong experience in shell scripting and Python.
- Experience in cellular protocol stack host test or simulation environment development; test case scripting and regression test suite debugging is a plus.
Pay
$184,700 and $324,800 (base salary range)
Tools
4G/5G, 3GPP, RRC, MAC, PHY, Keysight, R&S, Anritsu
AI focus
GenAI design and coding experience is a plus.
Model-written summary · the original posting is authoritative