Apple

Apple

Posted via Apple Careers

Systems Software Engineer, Process Management and Device Attestation, Core OS

Always Hiring

Posted Aug 4, 2026

Role at a glance

Salary
$122.7K – $214.3K/yr
Location
San Diego, California, United States
Work arrangement
On-site
Employment
Full-time
Education
Master's

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About the role

Original posting provided by Apple

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Summary

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

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

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
BS/MS in Computer Science or equivalent knowledge and experience

Pay & Benefits — San Diego, California, United States

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 $122,700 and $214,300, 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.

Application Deadline

Apple accepts applications to this posting on an ongoing basis.

Apple

About the company

Apple

Large Enterprise

Apple Inc. is a global technology company known for its innovative products and services, including the iPhone, iPad, Mac computers, and Apple Watch. Founded in 1976, Apple has continuously pushed the boundaries of design and functionality, earning a reputation for high-quality consumer electronics and software solutions like iOS and macOS. With a strong commitment to user experience and privacy, Apple also leads in digital services, offering platforms such as the App Store, Apple Music, and iCloud. The company's focus on sustainability and corporate responsibility further enhances its standing as a leader in the technology sector.