Chris Cseh Email & Phone Number

Dayton, Ohio, United States

Provided Oracle Database, Oracle HTTP Server (OHS) and WebLogic administration duties, such as patching, upgrading, and providing STIG solutions for the database and web software.Developed an OHS and WebLogic STIG action plan to support the 12.2.1.3 upgrade with a goal compliance score greater than 95%. Worked to troubleshoot and resolve various Oracle Database and WebLogic 12.2 upgrade, performance, and security issues.Tuned Oracle 12.2 database parameters resulting in a 300% performance gain for certain long running processes.Lead a project to migrate development databases and web infrastructure from Solaris SPARC to a Linux x86_64 architecture while also implementing Oracle best practice solutions.

Dayton, Ohio Area

Managed Oracle RAC, and RAC One Node 11gR2 database clusters supporting 4 development environments and a 24x7 production environment with over 12,000 users. Duties included Oracle patches, upgrades, monitoring for issues, and managing backups.Implemented various database and OS monitoring solutions including Splunk, Dell Foglight for Oracle, Oracle Enterprise Manager, and custom scriptsEstablished RMAN backup strategy and performed point in time recovery using RMAN and Data PumpHandled production database installs and worked with development team to monitor and troubleshoot performance issues Led initiative to install and configure an open source ticket and asset tracking system.Configured a 2 node Apache Web Server and Tomcat cluster hosting various internal applications supporting header based authentication for CACDeveloped multiple database driven web applications utilizing Oracle APEX and PL/SQL, such as centralized reporting and a documentation wiki.Supported virtualized Redhat and Oracle Linux servers running on VMware. Performed patch installation, firewall and disk configuration.Completed mail relay project, featuring server based whitelists using Postfix and a web based front end with APEX

Installed, created, and configured new databases for production use. Responsible for maintaining, monitoring and applying security patches for multiple local and remote databases hosted on Linux and Solaris servers.Led project to design, install and develop a program wide portal application utilizing Oracle Weblogic and APEX. Included file management, consolidated metrics and reports, shared calendars, and a customizable dashboard.Worked closely with management to provide reports in various formats.Interact and manage the database using TOAD for Oracle, SQL Developer, Enterprise Manager, and SQL Plus.

Monitored HPC systems, included troubleshooting and escalating issues to the appropriate administrator.Created helpdesk tickets and facilitated communications between administrators and vendorsDeveloped monitoring shell scripts, and database driven monitoring applications.