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Apple 5G/4G Cellular Layer1 Control Firmware Engineer 
United States, California, San Diego 
557720808

21.04.2025
As a Cellular Layer 1 Control Firmware Engineer in the L1S team, you will be at the core of embedded 5G/4G/multimode cellular firmware development within a silicon design group responsible for creating and productizing advanced cellular SoCs. This role requires expertise in all aspects of embedded software development, the ability to thrive in a dynamic, cross-functional environment, openness to debating ideas, and flexibility to adapt to constantly evolving requirements.
  • BS and 10+ years of relevant industry experience.
  • Understanding of software engineering principles and core computer science fundamentals.
  • Proficiency in C programming, and source code control tools.
  • Experience in bare metal embedded FW development or Real-Time Operating Systems (RTOS) and parallel computing.
  • Hands-on experience in wireless/cellular/satellite software or firmware development.
  • MS or PHD.
  • Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems.
  • Familiar with 4G/5G procedures such as RACH, CDRX, RF Control, SAR and RF Power control, Measurements, time tracking and maintenance, MAC Timers.
  • Understanding of Multi Sim Operation.
  • Digital signal processing and/or radio communications knowledge.
  • Experience with silicon prototyping, emulation systems, and virtual platforms.
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.