Senior Software Power Systems Engineer
Software Engineering
USD 175k-308,500 / year + Equity
Posted on Nov 14, 2026
If you’re passionate about energy efficiency and want to shape how Apple’s operating systems and services are designed, this is the role for you. In this role, you’ll play a key part in influencing the design and implementation of Apple’s latest features and technologies, making sure they’re built for energy efficiency. You’ll work closely with cross-functional teams to analyze how system services and features consume power, and lead the improvements that preserve battery life without compromising performance or user experience. Our mission is to innovate continuously in energy efficiency, enabling developers to build powerful apps on a robust platform while helping customers get the most out of every charge. The energy savings you help deliver will improve the experience for our users and contribute to a more sustainable planet.
As a senior member of the Software Power Systems team, you’ll collaborate closely with cross-functional teams to optimize battery usage across all layers of the software stack and multiple Apple platforms. You’ll own power efficiency for your areas, influencing how features are designed and implemented to be energy efficient at scale. You’ll refine existing APIs or design new ones with power efficiency in mind, enabling developers to build more efficient applications. You’ll also drive the development of tools and frameworks to triage power issues, and analyze large-scale analytics data to identify trends and hotspots affecting battery life.
- Work cross-functionally with teams across Apple to understand, model and optimize the power impact of their software features
- Design and implement telemetry to measure and attribute the impact of features
- Drive critical power optimizations that deliver battery life and thermal savings to customers
- Lead the debugging and resolution of complex power issues, in house and in the field
- Mentor junior engineers and share power engineering best practices with partner teams
- 5+ years of experience in systems software engineering
- Deep understanding of operating systems and software architecture
- Experience working with many cross-functional teams and influencing their design decisions
- Ability to independently learn new technologies, prototype and design software solutions
- Excellent debugging skills, with experience root-causing challenging problems that span multiple layers of the stack
- Excellent spoken and written communication skills
- Mobile application development experience
- Strong understanding of iOS frameworks and services
- Strong coding skills, preferably in C, C++, Objective-C or Swift
- Experience with large-scale analytics and telemetry