Sr. CI Tooling & Infrastructure Engineer - Xcode

Apple•San Diego, CA

About The Position

The Xcode team provides the tools to develop software for Apple’s innovative macOS, iOS, watchOS, tvOS and visionOS platforms. Because tools are our products, engineers on the Xcode team have the unique and rewarding opportunity to apply personal experience to enhance and augment the tools they use every day. The Xcode team is looking for an experienced Software Development Engineer with a strong passion for developing and maintaining internal tools and CI systems that support Xcode’s testing and integration workflows. In this role, you will help accelerate how product engineers land changes, improve the efficiency and reliability of integration and submission pipelines, and enhance developer productivity across the Xcode engineering ecosystem. We’re looking for a highly creative, detail-oriented, and self-motivated engineer to design, build, and manage CI systems that are critical to product integration and submission workflows. In this role, you will help architect scalable CI pipelines while balancing short-term execution needs with long-term infrastructure goals. You will design, implement, and deploy tools, automation, and workflows that improve engineering productivity and streamline how developers test, validate, and land changes into builds. You’ll actively monitor the health of CI systems and build/test results, analyze failures to identify root causes across both infrastructure and product layers, and drive fixes directly or collaborate with partner teams to maintain a high bar for CI reliability and operational efficiency. You will also help maintain the operational health of the CI environment through routine infrastructure and system maintenance, including build and OS upgrades, credential and certificate management, environment configuration, and overall system upkeep. In addition, you will develop innovative solutions to address scalability and execution challenges within CI systems, reducing operational complexity and long-term maintenance costs. You will help evolve and operate critical CI infrastructure that supports product development workflows, with the overall goal of amplifying engineering productivity across the Xcode engineering ecosystem.

Requirements

Strong object-oriented programming skills, preferably in Python or Swift
5+ years of experience designing, implementing, and maintaining tools, test infrastructure, or CI systems
Strong system-level debugging and root-cause analysis skills
Excellent interpersonal and communication skills, with the ability to collaborate effectively across teams
Demonstrated ability to leverage AI technologies and workflows to improve engineering efficiency, automation, and productivity
B.S. in Computer Science or equivalent experience

Nice To Haves

Experience developing and managing large-scale CI environments
Develop and deploy applications within containerized environments using Jenkins, Docker and Kubernetes on Linux platforms
Experience using Git for source control, including branching, code reviews, and collaborative development workflows

Responsibilities

Design, build, and manage CI systems critical to product integration and submission workflows.
Architect scalable CI pipelines.
Design, implement, and deploy tools, automation, and workflows to improve engineering productivity.
Streamline how developers test, validate, and land changes into builds.
Monitor the health of CI systems and build/test results.
Analyze failures to identify root causes across infrastructure and product layers.
Drive fixes directly or collaborate with partner teams to maintain CI reliability and operational efficiency.
Maintain the operational health of the CI environment through routine infrastructure and system maintenance.
Perform build and OS upgrades, credential and certificate management, environment configuration, and overall system upkeep.
Develop innovative solutions to address scalability and execution challenges within CI systems.
Reduce operational complexity and long-term maintenance costs.
Evolve and operate critical CI infrastructure that supports product development workflows.