Systems Software Engineer, Core OS
Apple, San Diego, California
- Pay
- Not listed by the employer
- Work type
- Onsite
- Level
- Not stated
- Area
- Software engineering
- Posted
- Aug 8, 2026
About the role
Join the Core Platform & Systems Technology team and help build the code that drives our operating systems on iPhone, iPad, Apple Watch, and Mac. You’ll deliver a unified solution used across the entire company — daemons, frameworks, certification test suites, command line tools, and even bits of UI. Your code will run on every device we ship. This role offers a rare view into true cross-functional engineering, where your work touches nearly every part of the system.
DESCRIPTION
As a Systems Software Engineer on this team, you’ll contribute to Apple’s firmware update solutions, working primarily on middleware — frameworks and daemons that keep devices current and reliable. The programming languages we use on this team are C, Objective-C, and Swift, with C being the primary language. A working knowledge of low-level programming and the kernel is a plus, as is familiarity with I/O protocols — USB, Bluetooth, Ethernet, and Inductive — since these are how accessories connect to our devices.
MINIMUM QUALIFICATIONS
Programming experience in C Knowledge of OS fundamentals Experience designing and developing production-level software Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent experience
PREFERRED QUALIFICATIONS
Programming experience in Objective-C or Swift Analytical thinking skills Ability to work independently Spoken and written communication skills
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Listed; checked 26 h ago. First seen by us 26 h ago. Being listed doesn't mean the team is actively interviewing.