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Systems Software Engineer, Core OS

Apple, Inc.San Diego, CA🇺🇸United StatesPosted 12 Aug 2026

Quick Overview

Work Type
Hybrid
Level
Mid Senior

Job Description

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

Skills

Objective-C
Swift

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