OS Performance Engineer - CoreOS Kernel Engineering

Job Description

The CoreDarwin team within Apple's CoreOS organization is looking for an exceptional OS performance engineer to push the boundary of performance on Apple Silicon platforms.

Requirements

• Bachelor's degree in Computer Science or equivalent professional experience
• Proficiency in C programming language
• Strong understanding of OS fundamentals
• Ability to collaborate across teams to drive development and performance optimizations

Responsibilities

• Analyze and optimize the OS performance on upcoming platforms for responsiveness and efficiency
• Drive innovative kernel design enhancements that improve scheduling, memory, and power efficiency
• Collaborate with hardware architects and chip design teams to drive optimizations for Apple Silicon
• Engage across multiple teams to drive world-class end-to-end system performance

Benefits

• Employees at Apple are often offered comprehensive benefits that support physical and mental well-being—flexible medical plans, confidential counseling, onsite wellness centers at major campuses, and resources for fitness and daily life. Families typically receive fertility support, paid parental leave with gradual return, caregiving leave, and dependent-care guidance, while financial perks commonly include stock grants (with purchase discounts), 401(k) matching, and income-protection coverage. Employees also see robust time off, Apple University learning and tuition reimbursement, donation matching and paid volunteer hours, and deep product and partner discounts.