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 products such as Macs and iPads. In this role you will design, test and debug diagnostic software and firmware running on hardware platforms. 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 cross functional partners to establish testing requirements and write diagnostic software to support it.
– Design, develop and diagnostic SW 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 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 SW 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 systems development running the UEFI environment
Experience in developing custom device drivers for a variety of internal and external peripherals
Proficiency in C & Python
Understanding of HW schematics, components, buses 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的固件工程师职位要求应聘者具备深厚的嵌入式系统开发经验，特别是在UEFI环境下。这不仅包括编写和调试代码的能力，还需要对硬件有深入的理解，能够使用各种工具进行硬件诊断和调试。此外，由于工作涉及与跨功能团队合作，良好的沟通能力也是必不可少的。 为了准备这次面试，建议你重点复习嵌入式系统开发的相关知识，特别是UEFI环境下的开发经验。准备好展示你在硬件诊断和调试方面的实际案例，尤其是如何使用工具如示波器和逻辑分析仪解决问题的经验。同时，由于这个职位需要频繁的跨团队协作，面试官可能会考察你的沟通能力和团队合作精神。准备一些具体的例子，展示你如何在过去的工作中有效地与不同团队合作，解决复杂问题。
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