Software Engineer 3 – Network Security
Core
Design, build, and maintain control-plane services and platform integrations for network policy enforcement and segmentation across Kubernetes clusters and datacenters.
Role type
Senior IC backend systems engineer (network security)
Builds
Control-plane services, SDN/CNI integrations, and network segmentation capabilities for eBay's production environments
Domain
Ecommerce, Cloud Infrastructure, Network Security (via careerplan.io/jobs/R0075891-software-engineer-3-network-security-at-ebay)
Required skills
Go, Python, Kubernetes, Linux networking, TCP/IP, distributed systems, CI/CD, observability
Preferred skills
etcd, SQL/NoSQL, service mesh, eBPF, security policy engines, event pipelines
Technologies
Kubernetes, Istio, Envoy, Calico, Cilium, iptables, nftables, VXLAN
Responsibilities
Design and build control-plane services for network policy orchestration; Develop integrations with SDN/CNI layers and Linux networking primitives; Write production-quality code with unit/integration tests and observability; Troubleshoot and debug Kubernetes/Linux networking issues; Collaborate with Security, SRE, and Cloud Platform teams; Improve service reliability through rollout practices and automation
Seniority
Senior, hands-on IC
