Firmware Engineer

Company: Apple Inc.
Location: Sunnyvale
Posted on: May 24, 2025

Job Description:

At Apple, new way of thinking and insights can turn into extraordinary products very quickly. The success we are striving will be result of highly skilled team working in an environment that nurtures creativity, partnership and novelty in solving tough problems. As a firmware engineer in the Wireless Connectivity Silicon Team, you will be responsible for the design, development, and bring up of innovative wireless silicon for various Apple's products. Bringing your passion and dedication will lead to innovative silicon solutions for Apple products. Join us! We are looking for a forward-thinking, dedicated, highly competent, experienced firmware engineers to design, develop and bring up fresh silicon for Apple's products - the iPhone, Mac and more! New challenges arise every day that require sharp problem-solving skills of individuals. Are you ready to take on this challenge?DescriptionWe are seeking talented, creative and disciplined engineers to join the best-in-class team that plays a significant part in the development of new silicon for Apple eco-systems by engaging in a dynamic, highly collaborative environment with the focus on the following goals:

• Deep understanding of components/modules within wireless communication systems and the corresponding calibration and impairment reduction techniques.
• Develop methods/algorithms to alleviate hardware induced impairments by calibration, cancellation and other applicable techniques.
• PHY firmware architecture and design, including calibrations, real-time processing flows, collaboration with RF hardware, microcode, and MAC layer.
• Develop highly efficient designs delivering outstanding performance, optimizing power and memory footprints while meeting hard-real-time latency requirements.
• Debug real-time systems with limited visibility, working hands-on with development boards and lab equipment.
• Collaborate with Radio, MAC, and Systems engineering teams to architect, define and implement innovative algorithms, calibrations, and protocols.
• Support pre-silicon validation efforts, including simulation, emulation, and FPGA prototyping.
• Develop SoC test and calibration capabilities for chip, module, and product factories.
• Support post-silicon bring up, validation, performance characterization, system integration and debugging.
• Repeatedly measure and optimize results using various test harnesses.
• Automate calibration and verification processes.Minimum Qualifications

• BS with 3 plus years of industry experience.Preferred Qualifications
  • Hands-on experience and working knowledge of wireless systems and protocols such as Wi-Fi or LTE/NR.
  • Excellent problem-solving skills to address technical issues during design, development and maintenance phases.
  • Strong embedded SW fundamentals, including knowledge of design and development-flows, real-time constraints, concurrency, multi-processor systems, memory management.
  • Deep understanding of data structures, object-oriented design, and system architecture in an embedded environment.
  • Strong software engineering skills including design, development (using C, C++), scripting (Python), and debugging.
  • Familiarity with 32 bit micro-controller architecture, low-level hardware interfaces, register and interrupt programming, bare-metal software development, clock and power management.
  • Experience with configuration (GIT, Perforce) and release management, continuous integration, unit and regression testing.
  • Strong understanding of design strategies for maintainability, scalability, and code reuse.
  • Excellent communication skills - both written and oral.
  • Highly organized, motivated and passionate about driving results.
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Keywords: Apple Inc., Gilroy , Firmware Engineer, Engineering , Sunnyvale, California