Pre-Silicon Infrastructure Software Engineer, Core OS

The software tooling and cloud infrastructure we develop is used across Apple's hardware and software organizations. We design technologies that enable development and testing of both hardware and software features for future Apple products to ensure that they work seamlessly together before they are manufactured. As a Pre-Silicon Infrastructure Software Engineer, you will play a significant part in crafting a simulation environment, define bring up processes, create new tools and services used across the organization for a broad range of upcoming Apple devices.

3+ years of hands-on experience in infrastructure-focused or embedded software engineering roles.
High proficiency in Python, with hands-on experience releasing Python-based tools, libraries, and services.
Backend development experience using Django or Flask, including designing and implementing REST APIs, with experience working with SQL-based databases.
Understanding of Unix concepts, networking concepts, and shell scripting.
Experience building and maintaining CI/CD pipelines (preferably for embedded software).
Strong problem-solving skills, ability to learn rapidly, and capacity to debug complex distributed systems.
Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, or equivalent industry experience required.

Experience in embedded software, macOS kernel and driver internals, and knowledge of Arm SoC architecture.
Experience with Kubernetes and container orchestration for deployment and management.
Experience in full platform simulation/FPGA technologies.
Experience developing applications using SwiftUI/Swift.
Familiarity using AI tools similar to Claude Code/Codex.

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 group, you'll be an essential part of our brand's personality, ensuring the OS is inseparable from each device's identity as a whole. That's because this group is committed to building fully integrated operating systems that combine hardware, software, and apps into a single Apple experience. Your dedication to cross-disciplinary collaboration will help develop groundbreaking technologies, such as iOS, macOS, watchOS, visionOS, and tvOS. By crafting these distinct, holistic user experiences, you'll continue to uphold and advance the excellence people expect from Apple devices.

The Pre-Silicon Evolution team within Apple's CoreOS organization is searching for dedicated software engineers to develop software infrastructure and tooling for Apple Silicon SoCs. Our team lives at the intersection of hardware and software, and we push the boundaries of full-system, pre-silicon simulation to enable software development for Apple products during the earliest phases of their development.

At Apple, base pay is one part of our total compensation package and is determined within a range. This provides the opportunity to progress as you grow and develop within a role. The base pay range for this role is between $126,800 and $220,900, and your base pay will depend on your skills, qualifications, experience, and location.

Apple employees also have the opportunity to become an Apple shareholder through participation in Apple’s discretionary employee stock programs. Apple employees are eligible for discretionary restricted stock unit awards, and can purchase Apple stock at a discount if voluntarily participating in Apple’s Employee Stock Purchase Plan. You’ll also receive benefits including: Comprehensive medical and dental coverage, retirement benefits, a range of discounted products and free services, and for formal education related to advancing your career at Apple, reimbursement for certain educational expenses — including tuition. Additionally, this role might be eligible for discretionary bonuses or commission payments as well as relocation. Learn more about Apple Benefits

Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.

Apple is an equal opportunity employer that is committed to inclusion and diversity. We seek to promote equal opportunity for all applicants without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, Veteran status, or other legally protected characteristics. Learn more about your EEO rights as an applicant

At Apple, we believe accessibility is a fundamental human right. You’ll find that idea reflected in everything here — in our culture, our benefits and our digital tools. By welcoming as many perspectives as possible, we help you build a career where you feel like you belong.

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Apple accepts applications to this posting on an ongoing basis.