Apple

Summary

Posted: May 21, 2026

Role Number:200664656

People here at Apple don’t just build products – we build the kind of wonder that has revolutionized entire industries. It’s the diversity of those people and their ideas that encourages the innovation that runs through everything we do, from amazing technology to industry-leading environmental efforts. Join Apple, and help us leave the world better than we found it! Join our groundbreaking iPhone Hardware Engineering team as a System Hardware Engineer and help craft the future of iPhone technology. We are looking for a driven, solution-oriented engineer who is passionate about advancing SOC IO technologies. In this role, you'll work with a collaborative team of experts to analyze, characterize, and validate key low-speed/high-speed IO features of SOC in iPhone systems. You will play a critical part in optimizing SOC IO architecture and system integration solutions for the whole iPhone product line.

Description

We are looking for candidates with a broad set of skills and interests, especially in the SOC IO area. We appreciate candidates have a strong curiosity and problem-solving mindset for technological challenges. Candidates will play a critical role in system SI validation, optimization, and integration of SoC IO interfaces from architecture concepts to final solutions for the whole iPhone product line. Day-to-day responsibility and tasks include electrical design review, test bringup/debug, and validation for SOC low-speed/high-speed IO interfaces. Routine responsibilities also include factory build support and cross-team/cross-region collaboration.

Responsibilities

• Perform system IO design review
• Perform system bring-up and debug, failure analysis, and triage.
• Perform tests and measurements using lab instruments to debug and validate end-to-end IO interfaces and interconnection designs.
• Hands-on experiments on SOC high-speed/low-speed interfaces characterization, TX/RX PHYs setting and tuning.
• Support factory engineering build activities, traveling to different factories.
• Develop and bring up factory test stations, develop test scripts, analyze test data, and provide design feedback.

Minimum Qualifications

• Major in EE or equivalents, BS and above, 3+ years of experience.
• Solid EE fundamentals, knowledge in hardware system IO interfaces architecture.
• Experience in signal integrity: modeling, simulation and analysis
• Hands on experience with lab equipment for high speed IO characterization and debug: Oscilloscope, Spectrum Analyzer, Logic Analyzer, Power Supply, DMM
• Sufficient programming skill in Python/Lua.
• Excellent written and verbal communication/presentation skills in English and Chinese

Preferred Qualifications

• Solid understanding of design and validation requirements for low-speed and high-speed digital interfaces: I2C/SMBus, SPI, SPMI, USB, PCIe, LPDP, DisplayPort, Clocks
• Solid knowledge on SerDes and equalization
• Experience in RF/IO Coex issue debug
• Good understanding of SOC architecture and circuits will be a plus
• Data analysis and visualization using scripts
• Beyond technical, we honor curiosity, creativity, integrity, ownership and collaboration

Apple is an equal opportunity employer that is committed to inclusion and diversity, and thus we treat all applicants fairly and equally. Apple is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities.

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

Learn about accessibility in Apple’s workplace