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Apple Systems Software Engineer United States, California, Cupertino 146877109
03.08.2025
The ASE Compute team is seeking a seasoned software engineer to enhance our internal cloud infrastructure offerings. You will be accountable for the central components of an innovative high-performance batch compute platform, integrating the latest cloud hardware technologies with Apple's proprietary hardware and software. In this role, you will work with teams across Apple to deliver forward-looking, high-performance virtualized infrastructure, supporting the hardware and software teams that power the next generation of Apple devices. You'll partner with internal application teams to understand their requirements, co-design operating system features and data center infrastructure to meet your needs, and identify emerging technologies to incorporate into our services.
As a Systems Software Engineer, you will develop, debug, and maintain an in-house virtualized infrastructure platform. Your responsibilities will include:* Designing, implementing, and optimizing virtualized compute offerings across a range of hardware types* Developing, implementing, and debugging robust, scalable, and highly available services that support fleet operations and infrastructure management solutions tailored to Apple's unique workloads* Working on reliability, scalability, resilience, security, and performance limits of infrastructure services, while maintaining curiosity about system operation and failure* Collaborating with Software and Hardware teams to tackle and resolve complex issues across virtualization, and networking layers, ensuring robust performance, stability, and security* Developing benchmarks representative of real workloads, analyzing and improving scale, troubleshooting performance efficiency and resilience issues, and fine-tuning performance of low-latency, high-throughput virtualized workloads* Conducting root cause analysis for on-server system failures and implementing preventive measures* Collaborating with cross-functional teams across Apple to understand, integrate, and optimize critical workloads into our platform* Participating in software release qualifications and large-scale software and hardware upgrades to production clusters* Participating in a business-hours rotation for platform issue responses and same-day resolution
- Demonstrated knowledge and experience in distributed systems and operating systems, applied to build stable, performant, and secure execution environments
- Strong Linux / XNU development background, including kernel-level development
- Familiarity with all aspects of software development, from architecture to deployment and maintenance
- Ability to tackle and resolve complex issues across accelerator, virtualization, and networking layers, ensuring robust performance, stability, and security
- Quick learner and contributor to new code bases
- Customer-focused thinking and strong problem-solving skills with attention to detail
- Enthusiasm about upholding Apple’s standards in product quality, design, and user experience
- BS with 2+ years of experience in system software development or MS in Computer Science
- Fluency in Go (Golang), Python, C++ or similar languages in a systems context
- Prior experience working with diverse hardware, operating systems, container runtimes (lxc, docker, containerd), and virtualization stacks (Qemu, KVM, Libvirt on x86, ARM)
- Deep understanding and prior experience with node management agents (e.g., kubelet) and node orchestration solutions for managing large-scale infrastructures
- Strong proficiency in Linux/Unix internals, administration, and troubleshooting
- Strong knowledge of networking protocols and security best practices
- Experience with measuring, analyzing, and optimizing performance in both host and guest environments
Note: Apple benefit, compensation and employee stock programs are subject to eligibility requirements and other terms of the applicable plan or program.
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