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Cellular Layer-1 Control Software Development Engineer, Wireless Technologies & Ecosystems

Apple· Wireless Technologies & Ecosystems (WTE)
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Sunnyvale, CA$129.3k - $225.3kfull-timePosted 1mo ago

About the role

Join Apple’s Wireless Technologies and Ecosystems team to design, develop, and integrate embedded software for cellular chipsets across Apple products, focusing on PHY/Layer1 control software and pre-silicon platforms to push performance and user experience in wireless systems.

Responsibilities

  • Specify, design, and implement PHY/Layer1 Control Software/Firmware of a state-of-the-art mobile wireless communications system.
  • Implement key scheduling, control processing in tight timeline, latency, and energy constraints.
  • Assist in the development of pre-silicon emulation systems/virtual platforms and use them for pre-silicon Layer1 Control SW design and verification.
  • Evaluate and implement leading edge tools for build, formal verification, and test.
  • Define methodologies and standards.

Qualifications

  • Bachelors and/or Masters degree in Computer Science, Computer Engineering, Electrical Engineering, or related field.
  • 0-5+ years of relevant industry experience.
  • Strong understanding of software engineering principles using C and/or C++, Real Time Operating Systems (RTOS) and concurrent programming.
  • Deep understanding of cellular uplink procedure - RACH, Scheduling Request, SRS, CSI, Antenna selection algorithms.
  • Working knowledge of computer architecture with particular emphasis on the HW/SW interfaces of high-speed communication subsystems.
  • Experience with silicon prototyping, emulation systems, and virtual platforms.
  • Experience in SW verification and HW validation utilizing scripting and/or automation frameworks with strong experience debugging embedded software systems using system simulators, spectrum analyzers, oscilloscopes, JTAG debuggers.

Skills

Required:C and C++RTOS and concurrent programmingHardware/Software interfaces of high-speed subsystemsSW verification and HW validationUnderstanding of uplink procedures (RACH, Scheduling Request, SRS, CSI)
Nice to have:silicon prototyping, emulation systems, and virtual platforms

Benefits

  • Comprehensive medical and dental coverage
  • Retirement benefits
  • Discounted products and free services
  • Educational expense reimbursement (tuition)
  • Discretionary bonuses or commission payments and relocation eligibility
  • Apple shareholder opportunities through stock programs
Last updated Sep 4, 2026. Interested? Apply on the company site.

About Apple

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

Discover the innovative world of Apple and shop everything iPhone, iPad, Apple Watch, Mac, and Apple TV, plus explore accessories, entertainment, and expert device support.

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