The Application Administrator I maintains and supports the Gateway ticketing system for the San Diego Zoo, handling daily operations, updates, and documentation. Responsibilities include troubleshooting enterprise ticketing infrastructure, performing end-to-end and unit testing, liaising between staff and resources to resolve issues, writing custom reports, and training users. The role requires at least one year of application troubleshooting and database/technical support experience, with foundational knowledge of PC and Apple hardware/software and Windows administration.