Chuck Leich

Experience

• 

  American Steel

  Jan 1990 - Aug 1997

  Network Engineer
• 

  CES

  Aug 1997 - Feb 2000

  System Administrator

  Administrator of local and remote AIX& Linux servers

• 

  Stellantis

  Feb 2000 - Mar 2024

  Managed and maintained the IT infrastructure at Stellantis, ensuring optimal performance, security, and reliability of systems and networks, while building and configuring new web, application, database, and utility servers with custom applications to meet specific requirements and support business operations effectively.• Delivered 24x7 on-call support for the production environment, ensuring seamless new application releases and enhanced on-premise infrastructure support services.• Engineered and deployed a Linux Kickstart server, automating and standardizing the setup and deployment of new Linux servers, significantly improving efficiency.• Provisioned and configured 27 RHEL 6.x and 7.x servers, optimizing the IT infrastructure for robust performance and reliability.• Installed and configured multiple versions of Tomcat (5.5, 6.1, 7.1) application servers and Apache web servers, enhancing web service capabilities.• Automated the YUM server to update security fixes from RHN across all servers, ensuring consistent and timely security updates.• Built and implemented two Nagios servers to comprehensively monitor all network, application, database, and Linux servers on the local network, enhancing system reliability and performance monitoring. 收起 Database Administrator, 2012 – 2018Administered and optimized the database infrastructure at Stellantis, ensuring high availability, performance, and security of all databases while managing backups, disaster recovery, and database tuning to support business-critical applications.• Successfully installed, configured, and managed two DB2 servers on RHEL 7.1, ensuring robust database performance and reliability.• Expertly installed, configured, and managed six MySQL database servers on RHEL 6.1 and 7.1, optimizing database operations and enhancing system efficiency.• Installed, configured, and managed two PostgreSQL database servers on RHEL 7.1, delivering high availability and optimal performance for critical applications.• Migrated 6 DB2 database servers from AIX 5.3 to RHEL 7.1• Migrated 8 Sybase database servers to Db2 on AIX 5.3 收起

  • Senior System Administrator

    Jun 2018 - Mar 2024

  • Database Administrator

    Dec 2012 - Jun 2018

  • Windows Server Administrator

    Apr 2008 - Dec 2012

  • AIX Adminstrator

    Feb 2000 - Apr 2008