Software Engineer (Network)

Job Description

At eBay, we're more than a global ecommerce leader ? we?re changing the way the world shops and sells. Our platform empowers millions of buyers and sellers in more than 190 markets around the world. We?re 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. We're 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. Senior Software Engineer ? T24 (Segmentation) Role Summary Join eBay?s Segmentation team as a Senior Software Engineer (T24) , where you will design and deliver resilient network segmentation services that safeguard mission-critical commerce traffic across multiple clouds and datacenters. As a T24 engineer, you will take ownership of subsystems, drive solutions from design through production, and play a key role in improving team productivity and engineering excellence. What You?ll Do Design and implement efficient, extensible, and maintainable solutions for the team?s network segmentation platform. Own multiple subsystems in the control plane and data plane, ensuring reliability and scalability. Translate feature requests into design options, provide accurate estimations, and implement practical solutions. Integrate with SDN/CNI technologies (Istio/Envoy/Calico/Cilium) and Linux networking primitives (iptables/nftables, routing, BGP, VXLAN). Proactively identify design/code issues, propose improvements, and drive resolution within the team. Implement test automation and CI/CD pipelines (Go testing, Ginkgo/Gomega), ensuring high-quality code delivery. Participate in incident response by debugging Kubernetes workloads and networking issues, and contribute to postmortems with actionable fixes. Document features and release notes to support operational readiness and knowledge sharing. Collaborate with stakeholders (Product, SRE, Security, Cloud) by communicating assumptions, clarifying requirements, and providing data-driven guidance on roadmap items. Must-Have Qualifications 5+ years in backend or systems engineering; 2+ years in Golang building distributed services or controllers. Strong knowledge of TCP/IP, Linux networking, and Kubernetes fundamentals. Hands-on experience with Kubernetes controllers/Operators/CRDs (client-go, reconcile patterns). Solid debugging and troubleshooting skills across distributed systems, networking, and containers. Experience with CI/CD pipelines and test automation practices. Clear written and verbal communication skills, with the ability to explain design decisions and assumptions to stakeholders. Proven track record of owning and delivering subsystems in production environments. Nice-to-Have Experience with SDN/CNI (Calico, Cilium, OVS/OVN) and service mesh (Istio/Envoy). Familiarity with eBPF, OPA/Gatekeeper, or multi-cluster controllers. Knowledge of distributed data stores (etcd, SQL, NoSQL) and eventing systems (Kafka, PubSub, SQS). Exposure to observability tools (metrics, logging, tracing, OpenTelemetry). Community & Growth Participate in team interviews and help grow the Segmentation team. Share knowledge through brown bags, lightning talks, or internal articles. Contribute to eBay?s open source initiatives or industry conferences. Engage in mentorship as a mentee, developing toward broader technical leadership. Why This Role Matters As a Senior Engineer (T24), you are a key owner within the team : translating product requirements into robust technical solutions, ensuring production readiness, and raising the quality of the codebase. This role is about building strong, reliable systems while growing your leadership influence ? preparing you to scale your impact in future MTS-level roles. Please see the Talent Privacy Notice for information regarding how eBay handles your personal data collected when you use the eBay Careers website or apply for a job with eBay. eBay is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, sexual orientation, gender identity, veteran status, and disability, or other legally protected status. If you have a need that requires accommodation, please contact us at [email protected]. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBay's commitment to ensuring digital accessibility for people with disabilities. The eBay Jobs website uses cookies to enhance your experience. By continuing to browse the site, you agree to our use of cookies. Visit our Privacy Center for more information.