Charles is a System Administrator with substantial experience in Sun Solaris, FreeBSD. Broad experience with Apache Tomcat and Apache HTTP Server. He is skilled in architecting complex multi-tier applications. He has experience in leading teams that monitor and manage complex infrastructures in a 24x7 environment. He is skilled at troubleshooting software, hardware, and design problems. He is a Network Administrator with significant experience in LAN design, monitoring, and performance tuning. He is a database Administrator with experience in MySQL, Oracle, and PostgreSQL. Skilled in PostgreSQL performance and scale tuning. Since 1998, he has been a System Administrator at Lexmark International, Inc. where he leads a team of sysadmins. In addition, he sits on the Architecture Review Board for Lexmark.

Homepage: http://wimmer.net/