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Senior Software Engineer – T24 (Segmentation)
Role Summary
Join eBay’s Segmentation team as aSenior 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 akey owner within the team: translating product requirements into robust technical solutions, ensuring production readiness, and raising the quality of the codebase. This role is aboutbuilding strong, reliable systems while growing your leadership influence— preparing you to scale your impact in future MTS-level roles.
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