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Apple Systems Software Engineer 
Ireland, Dublin 
289470821

26.08.2025
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 typesWorking on reliability, scalability, resilience, security, and performance limits of infrastructure services, while maintaining curiosity about system operation and failureDeveloping 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 workloadsConducting root cause analysis for on-server system failures and implementing preventive measuresParticipating in software release qualifications and large-scale software and hardware upgrades to production clusters
  • 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
  • Fluency in Go (Golang), Python, C++ or similar languages in a systems context
  • 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
  • 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