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Embedded 5G/4G Cellular RF Software/Firmware Engineer

2 days ago San Diego, CA

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 Wireless Firmware Engineer on the physical layer development team, 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 state-of-the-art cellular SoCs.

Description

This position requires someone comfortable will all aspects of embedded software design and development, that thrives in a dynamic cross-functional organization, is not afraid to debate ideas openly, and is flexible enough to pivot on constantly evolving requirements.","responsibilities":"Specify, design, and develop the physical layer embedded software architecture of a state-of-the-art mobile wireless communications system.

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Design, develop and optimize the cellular modem processing algorithms pertaining to Baseband and RF components in a cellular system.

Work with Baseband & RF systems and hardware designers to define hardware architecture and software computing requirements.

Work with cross functional teams to manage dependencies while driving the key Radio features.

Preferred Qualifications

Previous working experience in a real time embedded product.

Previous working experience developing RFSW for a cellular Modem.

Minimum Qualifications

BS and 3 + years of relevant industry experience.

Knowledge of mobile communications in 4G/5G 3GPP protocols and physical layer & radio aspects

Solid understanding of Digital signal processing and RF fundamentals.

Solid 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.

Working knowledge of CPU architecture, HW/SW interfaces and memory management.

Proficiency with debugging in embedded software systems. Familiarity with JTAG and ETM Trace tools.

Knowledge of Communication theory, Wireless standards, Radio architecture and Interfaces

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote 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 .

Client-provided location(s): San Diego, CA
Job ID: apple-200644178-3543_rxr-660
Employment Type: OTHER
Posted: 2026-02-01T19:09:57

Perks and Benefits

  • Health and Wellness

    • Parental Benefits

      • Work Flexibility

        • Office Life and Perks

          • Vacation and Time Off

            • Financial and Retirement

              • Professional Development

                • Diversity and Inclusion

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