Apple · 4 weeks ago
OS Performance Engineer (Modeling)
Cupertino, California, United States
Full-time
Onsite
Mid, Senior Level
$147K/yr - $272K/yrApple is seeking an OS Performance Engineer (Modeling) to join their Performance Modeling and Features team. This role involves analyzing high-dimensional data to build models and simulations that influence product design and performance optimization.
AppsArtificial Intelligence (AI)BroadcastingDigital EntertainmentFoundational AIMedia and EntertainmentMobile DevicesOperating SystemsTVWearables
Responsibilities
Consult with feature teams on software architecture decisions from a performance perspective
Analyze telemetry data and design experiments to inform performance optimization and hardware lifecycle decisions
Build models and simulations to forecast performance requirements for future products
Develop metrics, tools, and analysis pipelines to extract insights from large-scale datasets
Collaborate across software, hardware, and silicon teams to translate performance analysis into strategic guidance
Write robust, maintainable code for models, simulations, and automation
Qualification
Required
Bachelor's degree in Computer Science, Electrical Engineering, Statistics, Mathematics, or related quantitative field, or equivalent professional experience
Strong foundation in statistical analysis, experimental design, and quantitative problem-solving
Proficiency in programming languages for data analysis, modeling, and systems development (e.g., Python, R, SQL, C/C++, Objective-C, Swift)
Working knowledge of operating system fundamentals (e.g., memory management, scheduling, file systems, storage)
Demonstrated ability to transform raw data into actionable insights through analysis, modeling, and visualization
Excellent problem-solving and critical-thinking skills
Strong written and verbal communication skills, with ability to explain technical concepts to diverse audiences
Proven ability to collaborate effectively across teams and build relationships with diverse stakeholders
Preferred
M.S. or Ph.D. in Computer Science, Electrical Engineering, Applied Mathematics, Statistics, or related quantitative field
Experience with performance modeling, capacity planning, or computer architecture evaluation
Knowledge of modern CPU and memory architectures, and hardware/software interactions
Experience with performance analysis tools and methodologies (e.g., profiling, tracing, instrumentation)
Proficiency with distributed compute and storage technologies for large-scale data analysis (e.g., Spark, SQL-based analytics platforms)
Experience driving cross-functional projects and influencing decisions across diverse stakeholder groups
Track record of connecting quantitative insights to strategic product or business decisions
Prior experience in Unix, Linux, macOS, or iOS development or performance optimization
Benefits
Comprehensive medical and dental coverage
Retirement benefits
A range of discounted products and free services
Reimbursement for certain educational expenses — including tuition
Discretionary bonuses or commission payments
Relocation
Company
Apple
Apple is a technology company that designs, manufactures, and markets consumer electronics, personal computers, and software.
Founded in 1976
10001+ employees
H1B Sponsorship
Apple has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (6998)
2024 (3766)
2023 (3939)
2022 (4822)
2021 (4060)
2020 (3656)
Funding
Current Stage
Late StageTotal Funding
$5.67BKey Investors
Berkshire HathawayMicrosoftSequoia Capital
2026-01-10Pre Seed· $1M
2025-05-05Post Ipo Debt· $4.5B
2025-01-16Post Ipo Debt· $0.31M
Leadership Team
Tim Cook
CEO
Craig Federighi
SVP, Software Engineering
Recent News
Venrock
2025-12-01
2025-09-25
Mac Daily News
2025-09-25
Company data provided by crunchbase