Cellular RF Firmware Engineer

Apple•San Diego, CA

About The Position

As part of an elite RF transceiver team, you’ll craft sophisticated innovative embedded firmware that delivers more performance in our products than ever before. Join us and help us innovate new wireless systems technologies that continually outperform the previous iterations! In this role, you will develop the embedded systems for cellular RF transceivers and radio systems. You will work on the design, implementation as well as verification of our real-time control firmware with all aspects of embedded software development. This position requires a close collaboration with our system engineers, hardware developers, and system verification/integration engineers.

Requirements

BS and a minimum of 10 years relevant industry experience.
Excellent skills in low-level programming expertise using C++, C and assembler.
Embedded systems proficiency.
Experience with 32-bit micro-controllers ISR, real-time processing, and limited and shared resources.
Strong skills in computer architecture and HW/SW co-verification.
Proficiency in debugging embedded software systems and familiarity with JTAG and ETM Trace tools.
Proficient in Python and shell scripting.
Excellent problem-solving and analytical thinking skills.
Proficiency in debugging embedded software systems and familiarity with JTAG and ETM Trace tools.
Working experience with compilers and build (Make/CMake) files.

Nice To Haves

Debugging using RTL simulation and SystemC environments as well as target HW.
Experience in improving and maintaining the development and debug environments, tools, and methodologies on Linux/MacOS.

Responsibilities

Specify, design, and implement the RF firmware architecture of an innovative mobile wireless communications system.
Design, develop and optimize the RF processing algorithms pertaining to transceiver, RF front end in a cellular system.
Implement RF device drivers and control software for RF transceivers and front-end components with precise timing requirements.
Work with RF silicon designers to define RF transceiver architecture and support software computing requirements.
Work with systems and IC designers to optimize power optimization for all RF circuitry in the cellular system.
Work with multi-functional teams to handle dependencies while driving the key Radio features.
Develop and maintain shell scripts and Python infrastructure and contribute to existing libraries for cellular verification.
Debug embedded software systems and utilize JTAG and ETM Trace tools.
Debug using RTL simulation and SystemC environments as well as target HW.
Improve and maintain the development and debug environments, tools, and methodologies on Linux/MacOS.