Senior Systems Engineer, Watch Software
- Location
- San Diego, CA · On-site
- Job type
- Full-time
- Level
- Senior
- Experience
- 8+ years
- Listed
- 29 days ago
Skills & highlights for this role
- kernel and Darwin low-level OS
- power and performance measurement
- memory management
- computer science fundamentals
Also useful
- graphics
- UI
- networking
Summary
The watchOS Systems team is looking for a creative senior software engineer to help define the future of Apple Watch. Your core responsibility will be to build and optimize the foundational software that drives the device's performance and power efficiency. You will also have the unique opportunity to conduct investigative research, prototyping new technologies that will help define future hardware and software features. This role is perfect for a collaborative engineer who is passionate about the intersection of hardware and software and thrives on solving complex, open-ended problems.
About the role
As a key engineer on this team, you will tackle a wide range of complex challenges and collaborate closely with Performance, Power, OS, and Hardware experts across Apple. Your responsibilities will be dynamic, ranging from architecting core OS features to acting as a performance specialist for other teams.
This includes defining and implementing critical system-level functionality, such as new systems to manage the process lifecycle, reclaim memory, or lead the transition to a 64-bit OS architecture. You will also dive into other teams' code to diagnose and resolve significant power issues, and will build and maintain tools to help all engineers model and analyze performance and memory.
Responsibilities
As a Senior Systems Engineer on this team you will
- Work at many layers of the system software stack, from firmware or kernel layers up to application layers, to create new experiences by leveraging hardware in new ways.
- Establish SW’s needs for future hardware, i.e. by modeling and projecting memory demand over the whole lifetime of a new SoC
- Engage in investigative and research-like projects to explore and prototype solutions for complex, open-ended problems.
- Diagnose and address functional and performance issues at the language, runtime, and kernel layers as well as in application and system daemons.
- Implement new software components, frameworks, and applications.
- Collaborate with cross-functional teams to define, design, and ship new features.
Minimum Qualifications
- 8+ years industry experience.
- Deep technical understanding and hands-on experience with software development and lifecycle management.
- Experience with low-level OS systems, i.e. kernel, Darwin or drivers.
- Deep experience with power and performance measurement and investigation techniques.
- Solid computer science fundamentals.
- Excellent communication and interpersonal skills for collaborating with a technical team.
Preferred Qualifications
- Experience defining and contributing to application or systems architecture.
- Ability to work with technology partners at all levels of the stack, from hardware, sensors, and firmware to frameworks and applications.
- Experience in additional technical areas, like Graphics, UI or networking.
- Strong problem-solving and debugging skills, especially with ambiguous or undefined problems.
From Apple's careers page, first listed on Rolev.ai on October 12, 2026. Rolev.ai is not the employer.
How Rolev.ai helps with this application
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Common questions
Where is the Senior Systems Engineer, Watch Software job at Apple located?
This Senior Systems Engineer, Watch Software position at Apple is located in San Diego, CA (On-site). Always check Apple's application page for specific state eligibility or relocation policies.
What qualifications are required for Senior Systems Engineer, Watch Software at Apple?
For the Senior Systems Engineer, Watch Software role, Apple highlights 8+ years of relevant experience; experience with kernel and Darwin low-level OS, power and performance measurement, memory management, computer science fundamentals. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.
How do I apply for the Senior Systems Engineer, Watch Software position at Apple?
This listing links directly to Apple's application page. You can apply directly on Apple's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.