Maintenance Engineer is application fundamentals such as concepts and architecture - Application Installation and configuration - Strong Knowledge on RAC, Upgrades etc. - Patching and Upgrades - Patch Management and V ersion Control - Customization Updates - Cloning requirements. This can be frequent in an Apps environment - Concurrent Managers - Forms/Report Servers - Web Servers - all the "ad" utilities - all the database restrictions for the applications. That is so that the installation is still supportable and conforms to all vendor (Oracle) requirements. - All special application related regular and maintenance functions. Such as month end and period end functions. - Understand any backup and recovery constraints. Such as for table imports (NOT) and partial recoveries. - special requirements and restrictions for tuning. Example optimizer and index requirements. - Printer Configuration - User Access Administration