Skip to main contentA logo with &quat;the muse&quat; in dark blue text.

Core OS Systems Software Engineer, Process Management and Device Attestation

2 days ago San Diego, CA

Are you a big-picture problem solver 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 ensure 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, and tvOS. By crafting these distinct, holistic user experiences, you'll continue to uphold and advance the excellence people expect from Apple devices!

The Core OS organization is seeking an extraordinary engineer to work on the Process Management and Device Attestation team. This team works on system services to orchestrate the lifecycle of running applications and system services, and on-device software to authenticate genuine Apple devices are in the hands of their owner. You should have a strong understanding of operating system fundamentals and experience working throughout the stack. As a member of the team, you would participate in all stages of software development, from new feature design and implementation, to maintenance and bug fixing of released code. You will develop and improve unit tests and performance tests, and may also work on diagnosing and resolving customer reported issues.

Description

You will primarily be responsible for system services (daemons) and frameworks that support functionality throughout the system. This role involves working on services that manage the lifecycle of all categories of processes on the OS, and that manage the on-device software to authenticate genuine Apple devices are in the hands of their owner. You will work on system services that interact with many parts of the operating system including the Home Screen, media services, Apple Account, Find My, and on-device cryptographic key management. Popular Apple features such as Messages and FaceTime, and new features such as the redesigned window system on iPad OS will use libraries provided by you to optimize system performance, power, and to establish trust with the hardware.

","responsibilities":"Works with cross-functional partners to design and implement scalable and performant software solutions to complex problems

Provides systems software design guidance and expertise to teams across the company

Maintains existing software, including diagnosing and resolving customer reported issues

Develops and improves unit, integration, and performance tests

Preferred Qualifications

Experience in system services (daemon) and/or library development

Development experience on macOS, iOS, or other Unix-like system

Proficiency in Python or other scripting languages

Familiar with cryptographic concepts and techniques

A genuine passion for crafting compelling customer experiences

Exceptional professionalism, with the ability to deliver solid work on tight schedules

Creative, critical thinking, and troubleshooting skills

Minimum Qualifications

Professional skill in a system software language such as C, C++, Objective-C, or Swift

Strong understanding of OS architecture and systems programming fundamentals

Excellent written and verbal communication

Want more jobs like this?

Get jobs in San Diego, CA delivered to your inbox every week.

Job alert subscription


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 .

Client-provided location(s): San Diego, CA
Job ID: apple-200626814-3543_rxr-658
Employment Type: OTHER
Posted: 2025-11-10T19:05:27

Perks and Benefits

  • Health and Wellness

    • Parental Benefits

      • Work Flexibility

        • Office Life and Perks

          • Vacation and Time Off

            • Financial and Retirement

              • Professional Development

                • Diversity and Inclusion

                  Company Videos

                  Hear directly from employees about what it is like to work at Apple.