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System Test Engineer, 5G/6G Wireless Interoperability - Wireless Technologies and Ecosystems

**Role Number:** 200665837-3543

**Summary**

At Apple, we push the boundaries of what's possible — and that starts with the engineers who test it. As a System Test Engineer on our Wireless Technologies team, you'll play a pivotal role in ensuring Apple devices deliver seamless, world-class 5G and 6G connectivity across every network, every carrier, and every corner of the globe. If you thrive at the intersection of deep protocol knowledge and cutting-edge innovation, this is where your expertise will shape products used by hundreds of millions of people.

**Description**

In this role, you will be at the forefront of validating next-generation wireless connectivity on Apple products through rigorous interoperability testing across 5G and emerging 6G standards. You will collaborate with cross-functional teams spanning silicon, software, and RF engineering to design and execute system-level test strategies that span physical layer performance to end-to-end protocol behavior. Working with global carrier partners and industry standards, you'll leverage AI/ML-driven tooling and scalable automation frameworks to uncover issues early and drive quality to the highest bar — all in pursuit of delivering the best possible wireless experience to Apple customers worldwide.

**Minimum Qualifications**

+ Master's degree (MS) in Electrical Engineering, Computer Engineering, Telecommunications, or a related field

+ 3+ years of hands-on experience in wireless system testing, interoperability testing, or protocol validation

+ Deep knowledge of 3GPP standards including 5G NR physical layer (FR1 and FR2/mmWave), RRC, NAS, and related protocols

+ Proficiency in scripting and automation (Python, shell, or similar) for test development and result analysis

+ Experience with AI/ML tools for test data analysis, anomaly detection, or tool development

+ Familiarity with lab test equipment such as network emulators, protocol analyzers, and signal analyzers

**Preferred Qualifications**

+ Experience with 6G research concepts, IMT-2030 frameworks, or pre-standard wireless technologies

+ Hands-on experience with carrier interoperability testing and field trial environments

+ Knowledge of 5G core network architecture (5GC), network slicing, and SA/NSA deployment modes

+ Experience with iOS or embedded platform debugging and log analysis tools

+ Background in RF performance testing including beam management, MIMO, and FR2 mmWave characterization

+ Familiarity with test management and CI/CD pipelines for continuous test integration

+ Strong cross-functional communication skills with the ability to present technical findings to diverse audiences


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