Software Engineer 3 – Network Security

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.

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Team: Network Security
Location: Bengaluru

The Network Security team builds and operates foundational network segmentation capabilities that help protect eBays production environments across clusters datacenters and cloud footprints. The team develops control-plane/data plane services and platform integrations that enforce policy boundaries strengthen isolation and improve the security and reliability of critical traffic flows.

We are seeking a Software Engineer 3 to join the Network Security team with strong hands-on experience in backend systems with Kubernetes framework and networking this role you will design build and maintain reliable software components and services that support network policy enforcement and segmentation across distributed environments. You will contribute to production-ready platform capabilities with a strong focus on quality operability scalability and secure engineering practices.

• Design build and maintain reliable control-plane services that orchestrate network policy and segmentation across Kubernetes clusters and datacenters.

• Develop integrations with SDN and CNI layers such as Istio Envoy Calico or Cilium along with Linux networking primitives such as iptables nftables routing and VXLAN.

• Write production-quality code backed by unit and integration tests CI/CD pipelines and strong observability practices including metrics logging and tracing.

• Troubleshoot and debug Kubernetes Linux networking and distributed-systems issues and contribute to incident response and postmortem follow-through.

• Collaborate with partner teams across Security SRE and Cloud Platform to deliver reliable and maintainable platform capabilities.

• Improve the reliability scalability and operational readiness of services through better rollout practices configuration management monitoring and automation.

• Participate in design discussions evaluate technical tradeoffs and contribute to implementation planning for features and enhancements.

• Support a culture of engineering excellence through code reviews documentation and thoughtful operational ownership.

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

• 5 years of software engineering experience in backend or systems engineering.

• Strong programming skills in Go Python or a similar systems-oriented language with hands-on experience building distributed services.

• Solid understanding of TCP/IP Linux and container networking fundamentals.

• Strong Kubernetes fundamentals and hands-on experience building or operating services controllers operators or similar platform components.

• Proven debugging and troubleshooting skills across Kubernetes Linux networking and distributed systems.

• Experience running and maintaining services in cloud environments at scale.

• Familiarity with CI/CD observability and production support practices.

• Clear written and verbal communication skills with the ability to work effectively across teams.

• Experience with etcd SQL or NoSQL datastores and control-plane design patterns.

• Familiarity with service mesh technologies eBPF or advanced networking and policy frameworks.

• Experience with security policy engines such as OPA or Gatekeeper multi-tenancy or multi-cluster controllers.

• Exposure to event pipelines and messaging systems such as Kafka PubSub or SQS.

This role is an opportunity to help build and evolve a critical segmentation platform that protects eBays infrastructure at scale. You will work on foundational networking and security capabilities that improve isolation reliability and operational resilience across distributed systems. Your work will directly strengthen the platform services that safeguard critical traffic and enable secure growth across eBays environments.

Additional Details

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 you have a need that requires accommodation please contact us at. We will make every effort to respond to your request for accommodation as soon as possible. View our accessibility statement to learn more about eBays commitment to ensuring digital accessibility for people with disabilities.

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