March 7, 2025

Cellular RF Firmware Engineer

Mid • On-site

$135,400 - $250,600/yr

San Diego, CA

Summary

Posted:
Weekly Hours: 40
Role Number:200593923
Do you have a passion for invention and self-challenge? Do you thrive on pushing the limits of what’s considered feasible? 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.

Description

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.

Minimum Qualifications

  • BS with a minimum of 3 years of relevant experience.
  • Excellent skills in low-level programming expertise using C++, C and assembler, embedded systems proficiency, 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.

Preferred Qualifications

  • Debugging using RTL simulation and SystemC environments as well as target HW.
  • Proficiency in debugging embedded software systems and familiarity with JTAG and ETM Trace tools.
  • Working experience with compilers and build(Make/CMake) files.
  • Experience in improving and maintaining the development and debug environments, tools, and methodologies on Linux/MacOS.

Pay & Benefits

  • At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $135,400 and $250,600, and your base pay will depend on your skills, qualifications, experience, and location.

    Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits.

    Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

  • Apple is an equal opportunity employer that is committed to inclusion and diversity. We take affirmative action to ensure equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant.