Role Overview As an Amazon Critical Infrastructure Engineer, you will provide full life‑cycle support to AWS data centers from design inception through site improvement and maintenance. You will be the go‑to engineering resource for your region, using your subject‑matter expertise to troubleshoot incidents, design upgrades, conduct audits, and support construction and commissioning activities. Responsibilities Troubleshoot, conduct Root Cause Analysis (RCA) and create Corrective Action (CA) documentation for site/equipment failures. Directly support operational issues with ad‑hoc training, complex operating procedure reviews, including critical equipment, and event support. Own the conceptual design for existing data‑center upgrades and design solutions that add capacity, improve availability, increase efficiency, and enhance sustainability. Interface with the internal data‑center operations team, design engineering team, server‑hardware team, and environmental health and safety team t...