Senior Infrastructure Engineer — Kubernetes & Kernel

eBay; Dublin; On-site; EUR 120,000 - 180,000; Full time

Job summary

eBay Cloud team is seeking an experienced engineer to shape and scale our private Kubernetes fleets across environments. You will drive kernel work and OS tuning, build automation tools in Go and Python, and guide observability practices to ensure reliability at scale.

The role requires 5+ years in Linux, kernel development, and container orchestration, plus collaboration across teams. If you're passionate about performance, security, and scalable platforms, join us.

Qualifications

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field.
• Minimum of 5 years of hands‑on experience with Linux systems, including a strong understanding of Linux kernel development and OS internals—such as process scheduling, memory management, file systems, and networking.
• Proficient in programming with C++, Go, or Python.
• Deep expertise in orchestrating containerized applications and building scalable cluster management systems.
• Skilled at identifying system-level gaps and cross‑functional issues, proposing effective solutions, and driving end‑to‑end resolution.
• Demonstrated ability to lead and mentor team members, manage small projects, and collaborate effectively across teams to drive impactful change.

Responsibilities

• Design, develop, and maintain a robust, high-performance Kubernetes fleet management system encompassing cluster, AZ, and node lifecycle operations, with rapid adoption of the latest Kubernetes releases.
• Contribute to kernel development and performance tuning to enhance system scalability, reliability, and efficiency; stay up to date with the latest advancements in kernel and security technologies.
• Build high-performance tools and services using Go and Python to support infrastructure automation and diagnostics.
• Collaborate with cross-functional teams to validate, adopt, and integrate optimized Linux OS distributions across diverse infrastructure environments.
• Implement robust observability frameworks to monitor system health, ensure performance, and support proactive issue resolution at scale.

Skills

Kubernetes

Kernel development

Linux OS internals

Go

Python

C++

Cluster management

Observability

Linux administration

Education

Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field

Job description

eBay Cloud team is seeking an experienced engineer to shape and scale our private Kubernetes fleets across environments. You will drive kernel work and OS tuning, build automation tools in Go and Python, and guide observability practices to ensure reliability at scale.

The role requires 5+ years in Linux, kernel development, and container orchestration, plus collaboration across teams. If you're passionate about performance, security, and scalable platforms, join us.