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 a world class modem team, you’ll craft sophisticated groundbreaking embedded firmware that deliver more performance in our products than ever before. You’ll work across fields to transform improved hardware elements into a single, integrated design. Join us, and you’ll help us innovate new cellular technologies that continually outperform the previous iterations! By collaborating with other product development groups across Apple, you’ll push the industry boundaries of what wireless systems can do and improve the product experience for our customers across the world. Do you want to have an impact on every single Apple product?As a Cellular RF Software/Firmware Engineer, you will be at the center of the embedded 5G/4G/multimode cellular firmware effort within a silicon design group responsible for designing and productizing innovative cellular SoCs! This position requires someone comfortable with all aspects of embedded software development, that thrives in a dynamic multi-functional organization, is not afraid to debate ideas openly, and is flexible enough to shift on constantly evolving requirements.

Description

Specify, design, and implement the physical layer embedded software architecture of an innovative mobile wireless communications system. Design, develop and optimize the Cellular Processing algorithms pertaining to Baseband and RF components in a cellular system. Implement RF Control software in the baseband modem with precise timing requirements. Work with Baseband & RF systems and hardware designers to define hardware function and 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 manage dependencies while driving the key Radio features.

Minimum Qualifications

  • Minimum BS and 10 + years of relevant industry experience.
  • Intimate Knowledge of communication theory, Wireless standards, Radio architecture, and Interfaces.
  • Solid Work experience in developing and debugging on real time embedded systems.
  • Knowledge of mobile communications, 4G/5G 3GPP protocols and PHY layer radio aspects.
  • Solid understanding of Tx Power Control, AGC, physical channel handling, various RF impediments and mitigation techniques.
  • Working experience in solving functional and performance issues in Physical later and RF.
  • Deep understanding of software engineering principles, and core computer science fundamentals.
  • Excellent command of C and C++, and working experience with compilers, build and source code control tools.
  • Solid understanding of computer architecture with particular emphasis on the HW/SW interfaces of wireless communication systems.
  • Proficiency with debugging in embedded software systems. Familiarity with JTAG.
  • Good understanding of RF Validation and RF Calibration procedures.

Key Qualifications

Preferred Qualifications

  • Knowledge of Control aspects of RF transceiver and RF front end components for 4G/5G Control path processing.

Education & Experience

Additional Requirements

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 $166,600 and $296,300, 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.