Sridhar Gaddam
Senior Principal Software Engineer at Red Hat
Bengaluru, Karnataka, India
Summary
🤩
Rockstar🎓
Top SchoolSridhar Gaddam is a Senior Principal Software Engineer with over 20 years in software development and more than a decade focused on cloud-native networking at Red Hat, where he now contributes to multi-cluster networking. He brings deep hands-on expertise in Kubernetes networking, OpenShift, iptables and VxLAN, proven by contributions to prominent open-source projects like Istio and Submariner that improved test infrastructure, dual-stack and traffic interception handling. A practical problem-solver, he has repeatedly fixed connectivity and e2e test issues across complex distributed systems and networking stacks. Educated in high-speed networks and distributed systems (MSc, Oxford Brookes), he combines low-level networking know-how with DevOps and backend engineering to deliver robust, production-ready solutions.
11 years of coding experience
15 years of employment as a software developer
Jawaharlal Nehru Technological University HyderabadMasters, High Speed Networks and Distributed Systems, Masters, High Speed Networks and Distributed Systems at Oxford Brookes University
Github Skills (15)
istio10
kubernetes-networking10
service-mesh10
kubernetes10
vxlan10
go10
openshift10
devops10
iptables10
kubernetes-pods10
testing10
cicd9
network-security9
dockers7
docker7
Programming languages (11)
Github contributions (5)
submariner-io/submariner
May 2019 - Jan 2023
Networking component for interconnecting Pods and Services across Kubernetes clusters.
Role in this project:
Back-end & DevOps Engineer
Back-end & DevOps EngineerContributions:817 reviews, 248 commits, 396 PRs in 3 years 9 months
Contributions summary:Sridhar primarily contributed to the Submariner project by addressing issues related to networking and connectivity within Kubernetes clusters. They fixed firewall rules and resolved connectivity problems, specifically targeting OpenShift SDN environments. The user demonstrated expertise in iptables, network configuration, and the implementation of VxLAN tunnels. In addition to code contributions, the user also provided fixes for e2e tests.
clusterskubernetes-clustersk8skubernetesmatter
istio/istio
Nov 2023 - Apr 2025
Connect, secure, control, and observe services.
Role in this project:DevOps Engineer
DevOps EngineerContributions:33 reviews, 16 PRs, 69 comments in 1 year 4 months
Contributions summary:Sridhar's contributions primarily focused on improving the testing infrastructure and configuring the Istio service mesh for various OpenShift deployments. They addressed issues related to dual-stack configurations, ensuring proper setup of ingress/egress gateways and the istiod control plane. Additionally, the user worked on fixing integration tests and removing deprecated configurations within the SidecarInjectorConfig, enhancing the overall stability and functionality of the Istio project. Furthermore, they addressed OpenShift specific issues related to traffic interception.
circuit-breakerenforce-policiesistioapi-managementmicroservice
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