Cellular RF Firmware Engineer

: Summary Posted: Oct 30, 2025 Role Number: 200516827 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. Key Qualifications Key Qualifications

• 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, HW/SW co-verification, debugging using RTL simulation and SystemC environments as well as target HW.
• Experience with control of RF transceiver and RF front-end components for 4G/5G data path processing.
• Sound knowledge of communication theory, Wireless standards, Radio architecture and Interfaces.
• Deep understanding of software engineering principles, and core computer science fundamentals.
Proficiency in debugging embedded software systems and familiarity with JTAG and ETM Trace tools.

Description 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, antenna tuners and other RF components 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. Verification of implemented firmware as well as investigations of critical RF issues in a cross-functional HW/FW working environment. BS and 3+ years of relevant industry experience required Education & Experience Education & Experience BS and 3+ years of relevant industry experience required BSEE, MSEE/PhD preferred Additional Requirements Additional Requirements

• Apple is an equal opportunity employer that is committed to inclusion and diversity. We also take affirmative action to offer employment and advancement opportunities to all applicants, including minorities, women, protected veterans, and individuals with disabilities. Apple will not discriminate or retaliate against applicants who inquire about, disclose, or discuss their compensation or that of other applicants.
We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.

Pay & Benefits 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 $131,500.00 and $243,300.00, 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.