This role is part of the Wireless Technologies and Ecosystems organization at Apple, focusing on cellular protocol development for 4G/5G technologies. The position requires a highly collaborative individual who thrives in a fast-paced environment and is passionate about innovation. The candidate will work with cross-functional teams to drive innovation and develop products used by millions worldwide. This role emphasizes the importance of understanding protocol procedures and network interactions to create exceptional products.

• Bachelor's or graduate degree in Electrical Engineering, Computer Engineering, Computer Science or equivalent degree.
• Excellent knowledge of the 4G/5G protocol stack and procedures, especially in RRC, MAC, and PHY layers.
• Strong experience in shell scripting and Python.
• Excellent software development and debugging skills, including design and programming in C, C++, and scripting.
• Experience with UE and/or network protocol development for 4G/5G technologies.

• Design, develop, and maintain network simulations.
• Understand the 4G/5G protocol functionality in the respective 3GPP releases.
• Convert knowledge of protocol procedures into corresponding protocol implementations and interfaces.
• Implement test basestation and RAN/CN network emulators.
• Develop test case scripting and debug regression test suites conforming to relevant ETSI/3GPP protocol technical specifications.

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.