Worked on the IBM/portieris repository to enhance Kubernetes security and deployment reliability over a two-month period. Delivered features such as zero-replica enforcement in admission controllers, preventing security policy bypass for resources with no replicas, and implemented end-to-end tests to validate these controls. Focused on security hardening by updating dependencies to address known vulnerabilities and maintaining license compliance. Improved Go toolchain stability and testing reliability by restoring version directives and addressing coverage data issues. Utilized Go, YAML, and Kubernetes extensively, emphasizing dependency management, configuration management, and security auditing to ensure safer deployments and more predictable, maintainable release processes.