We have an immediate opening for a Field Engineer in the San Antonio, TX region. As an Amazon Field 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 when technical advice is needed, and will use your subject matter expertise and engage with diverse teams to perform design and equipment submittal review for new Data Centers in your region. 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 design for existing data center upgrades and design-solutions, which add capacity, improve availability, and increase efficiency. Interface with internal data center design engineering team, server hardware team, environmental health and safety team to promote standards that maintain consistency and reliability in services delivered. Work on concurrent projects, sometimes in multiple geographical regions. Initiate and lead engineering site audits within Amazon's owned or colo data centers. Produce reports outlining risks with recommended mitigations and remediation. Act as resident engineer during new construction projects. Support construction, commissioning, and turnover. Must have a valid US driver's license and reliable personal transportation by start date. This position requires that the candidate selected be a US Citizen and obtain and maintain an active TS/SCI security clearance with polygraph.