Nok Lam Chan developed robust infrastructure features across two repositories over a two-month period, focusing on deployment reliability and multi-tenant safety. For OpenLineage/OpenLineage, Nok enhanced the wait-for-it.sh script using Shell scripting, improving its compatibility with diverse environments and utilities by refining host and port handling, timeout logic, and CLI argument parsing. In mckinsey/agents-at-scale-ark, Nok implemented namespace-scoped Helm deployments, enabling new projects to be isolated within dedicated Kubernetes namespaces and simplifying RBAC management. The work demonstrated depth in DevOps, CLI development, and Kubernetes, addressing cross-environment challenges and strengthening deployment safety without introducing new bugs during the period.