Snr SW Engineer (Cloud Platform)

At eBay were more than a global ecommerce leader were changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. Were committed to pushing boundaries and leaving our mark as we reinvent the future of ecommerce for enthusiasts.

Our customers are our compass authenticity thrives bold ideas are welcome and everyone can bring their unique selves to work every day. Were in this together sustaining the future of our customers our company and our planet.

Join a team of passionate thinkers innovators and dreamers and help us connect people and build communities to create economic opportunity for all.

About the team and the role:

The eBay Cloud Core Services team powers the foundational cloud infrastructure that supports thousands of eBay applications. As one of the largest private cloud platforms in the industry we operate and manage hundreds of Kubernetes clusters across diverse environments comprising millions of compute instances.

Our team is responsible for the full lifecycle management of these clustersincluding provisioning OS and Kubernetes upgrades technical refreshes and decommissioning. We also customize the Linux operating system for our Kubernetes platform enhancing the kernel to meet eBays rigorous scalability reliability and security requirements.

The ideal candidate will have at least 8 years of experience in the field focusing on kernel development and cluster automation(build os/kubernetes upgrade and decommission). You will also drive the implementation of observability practices to monitor troubleshoot and ensure the reliability of our infrastructure at scale.

What you will accomplish:

• Design develop and maintain a stable high-performance Linux operating system optimized for the Kubernetes platform along with the supporting cluster management system.

• 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.

• Develop BPF-based tools for in-depth OS diagnostics and implement Cilium/BPF-based network segmentation and service mesh solutions.

• Champion engineering excellence in observability security and performance across the platform ensuring systems meet eBays production standards.

• Influence adoption of optimized solutions across functional teams driving consensus and backing technical decisions that align with business goals.

• Mentor team members and multiply team effectiveness through code reviews technical guidance and evangelizing productivity improvements.

What you will bring:

• Bachelors or Masters degree in Computer Science Engineering or a related field.

• 8 years of hands-on experience with Linux systems with deep expertise in kernel development and OS internals (process scheduling memory management file systems networking).

• Proficient in programming with C Go or Python.

• Proven track record of owning large functional areas in container orchestration and building production-grade cluster management systems at scale.

• Demonstrated leadership in mentoring team members setting technical standards and collaborating across teams to deliver measurable business impact.

• Strong ability to identify cross-functional gaps express technical risks/tradeoffs influence decisions and drive end-to-end resolution.

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