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Core OS Software Engineer - USB4/Thunderbolt

Apple· Software and Services / Core I/O
Apply on company site
Cupertino, CA$150.4k - $277.6kFull-timePosted 3w ago

About the role

Software engineer role in Core OS and Core I/O focusing on USB4/Thunderbolt protocol implementations, kernel driver work, and collaboration across Apple Silicon hardware, OS, and peripherals.

Responsibilities

  • Develop new, innovative Apple products across a fast-paced roadmap.
  • Influence the definition of Apple Silicon and hardware, implementing new features and supporting product bring-up.
  • Contribute to USB4 and Thunderbolt kernel driver extensions across Appleʼs operating systems.
  • Build breakthrough capabilities like RDMA over Thunderbolt, enabling distributed AI inference across clusters of Thunderbolt-connected Macs.
  • Implement new features and enhancements in software as the specifications evolve over time.
  • Debug, root cause, and develop solutions to enhance the USB4 and Thunderbolt customer experience.
  • Collaborate with vendors to drive improvement of the USB4 and Thunderbolt ecosystems, and to ensure interoperability with Appleʼs solutions.

Qualifications

  • Bachelor’s degree in Computer Science/Computer Engineering, or equivalent experience/skills.
  • 2+ years of relevant industry experience in software development.

Skills

Required:CC++Operating systems knowledgeI/O / kernel driver experienceThunderbolt / USB4Debugging tools
Nice to have:USB/USB-C/USB-PD, DisplayPort, PCI

Benefits

  • Comprehensive medical and dental coverage
  • retirement benefits
  • discounted products and free services
  • education reimbursement including tuition
  • potential discretionary bonuses or commission payments
  • relocation assistance
  • Apple shareholder eligibility via stock programs
  • Employee Stock Purchase Plan
Last updated Oct 16, 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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