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# Core OS Software Engineer - USB4/Thunderbolt

- **Company:** Apple Inc.
- **Location:** Cupertino, CA, United States
- **Experience:** Experienced
- **Salary:** $150,400.0 - $277,600.0
- **Contract:** Permanent contract
- **Skills:** Macintosh Computers, Apple IOS, Apple Products, Apple Mac Systems, Computer Programming, Computer Engineering, Software Debugging, Device Drivers, Remote Direct Memory Access, Software Engineering, Information Technology, Model Inference, Service Stack, Programming Languages
- **Published:** October 3, 2026
- **Apply:** https://www.indeed.com/viewjob?jk=d38c63bf41747f65

## About the Role

Are you a big-picture thinker who loves setting ambitious goals? Do you have a passion for

understanding how each line of code affects all the others? In the Core Operating Systems, Expertise in Thunderbolt and/or USB4.

Expertise in related technologies, e.g. USB, USB-C, USB-PD, DisplayPort, and/or PCI.

2+ years of relevant industry experience in software development.

Development experience in IOKit/macOS/iOS, or equivalent OS driver environment.

Experience debugging and contributing to complex technology stacks.

Experience using logic analyzers, protocol analyzers, or oscilloscopes for data collection and

debugging.

Self-motivated and able to work independently.

Minimum Qualifications

Strong expertise in C and C++ programming languages.

Strong understanding of computer science fundamentals, with expertise in operating

systems and device driver models.

Bachelors degree in Computer Science/Computer Engineering, or equivalent

## Description

We're looking for a motivated engineer with excellent programming, problem solving, and

communication skills to join our experienced team. As a USB4 and Thunderbolt software

engineer, you'll be at the forefront of implementing industry standard protocols that power

everything from pro video workflows to everyday file transfers. Join the team responsible for

shipping code that runs on nearly every Apple product, and collaborate with brilliant engineers

to unlock the potential of the USB4 ecosystem.

","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 Apple's 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 Apple's solutions.