Arun worked on stability and maintainability improvements for Kubernetes-based infrastructure, focusing on the kairos-io/provider-kubeadm and spectrocloud/CanvOS repositories. He enhanced cluster startup reliability by switching image pulls from gcr.io to us-docker.pkg and reordering the initialization and join stages, ensuring more predictable bootstrap behavior across environments. In spectrocloud/CanvOS, Arun simplified the RHEL-FIPS Dockerfile by removing unnecessary configuration variables while preserving core functionality. His work leveraged Go, Dockerfile, and Kubernetes, addressing both feature development and bug fixes. The changes reduced provisioning risk, streamlined CI/CD pipelines, and improved cross-repository maintainability, reflecting a thoughtful approach to DevOps and containerization challenges.