职位描述：
Summary：
Apple is a place where extraordinary people gather to do their best work. Just be ready to dream big.
The people here at Apple don’t just build products — they build the kind of wonder that’s 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.
Imaging what you could do here. At Apple, creative ideas have a way of becoming wonderful products, services, and customer experiences very quickly. Bring passion and dedication to your job and there’s no telling what you could accomplish.
Be a part of the System Firmware & Diagnostics team! We build factory-facing firmware (FW) to support system-wide hardware (HW) testing for a variety of Apple’s accessories, in spaces such as Home, AirPods and AirTags. In this role you will design, test and debug firmware running on prototype hardware. You’ll be part of a team that will directly support product hardware builds at contract manufacturer sites and witness new Apple products being crafted for the first time!
Description：
You will be directly responsible for the design, development and debug of diagnostic FW to be used for testing new Apple products. You’ll work with key module engineers to establish test coverage and write firmware to support it.
– Design, develop and test FW to exercise key HW system components. Write code to develop modularity for cross-platform use and implement command line tools to access specific functionality.
– Integrate test coverage from cross-functional module engineers, understand how to translate coverage into CLI implementation that can be driven with automation.
– Work with host-side station engineers to understand test flow and execution, ensuring accuracy against required coverage.
– Debug blocking FW issues quickly in unfamiliar codebases using log files, direct code inspection and core dumps.
– Understand and drive down test station re-test rates.
– Review and inspect manufacturing data for accuracy and integrity.
– Traveling to contract manufacturer sites to support active HW builds.
职位要求：
Minimum Qualifications：
Bachelor’s degree in EE/CE/CS
Proficiency in English
Preferred Qualifications：
In-depth knowledge and hands-on experience in embedded microcontroller FW development both in bare-metal and operating system contexts on a variety of architectures
Experience in developing custom device drivers for a variety of internal and external peripherals
Proficiency in C, C++ & Python
Understanding of HW schematics, components, busses and interfaces
Experience in HW board bring-up activities: use of oscilloscope, logic analyzer, DMM to debug HW and FW issues
A positive outlook towards stepping into uncharted technology space and working hard to deliver solutions in a timely fashion
Excellent written and interpersonal skills; clear communication with diverse teams
招聘部门：
Apple Software and Services
工作地点：
Shanghai, Shanghai, China
面试建议：
Apple的固件工程师职位不仅要求扎实的技术能力，还需要具备快速适应新技术和解决复杂问题的能力。面试官会特别关注你在嵌入式系统开发中的实际经验，尤其是如何在不同架构下进行固件开发和调试。此外，由于工作需要频繁与跨功能团队合作，你的沟通能力和团队协作精神也会是考察的重点。 为了准备这场面试，建议你重点复习嵌入式系统的基础知识，尤其是C和C++在固件开发中的应用。准备一些具体的项目案例，展示你如何解决硬件与固件交互中的问题。同时，由于职位可能需要出差支持硬件构建，表现出你的灵活性和解决问题的能力会大大加分。记得在面试中展示你对Apple产品的热情和对技术细节的关注，这些都是Apple文化中非常看重的品质。
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