Nok Lam Chan developed robust infrastructure features across two repositories, focusing on deployment reliability and multi-tenant safety. For OpenLineage/OpenLineage, Nok enhanced the wait-for-it.sh script to ensure consistent deployment readiness checks by improving host and port handling, timeout logic, and CLI argument parsing, addressing compatibility with various netcat and timeout utility versions using Shell scripting. In mckinsey/agents-at-scale-ark, Nok implemented namespace-scoped Helm deployments, updating project generation templates to support dedicated Kubernetes namespaces and reduce cross-tenant risk. The work demonstrated depth in DevOps, Helm, and Kubernetes, delivering targeted solutions that improved deployment safety and operational consistency without introducing new bugs.