Worked on infrastructure optimization and compatibility updates in the kubernetes/kops repository, focusing on AWS EBS tuning for etcd within the test environment. Used Go and Shell to switch the default EBS volume type from io2 to io1 and adjusted IOPS, throughput, and size parameters in test scripts, balancing performance with cost efficiency for scalability tests. Also removed deprecated cloud configuration flags from Kubelet versions 1.33 and newer, aligning with evolving Kubernetes standards. These updates improved test reliability, reduced cloud spend, and enhanced upgrade readiness, demonstrating a practical approach to DevOps, cloud infrastructure management, and Kubernetes configuration best practices.