Here you may read a quick list of operating systems and technologies with which I have real-world, production experience. For clarification and expansion, please contact me and I will be happy to go into more detail and offer case studies.

• Have served as senior systems administrator in various environments over the last 20 years with 50+ servers running Windows NT, 2000, and XP; Linux and derivatives
• Unix flavors with expert familiarity: RedHat Enterprise and RedHat Advanced Server, CentOS, Slackware, Fedora, OpenBSD, and FreeBSD
• Solid background in AIX 2.x and 3.x; Solaris; UNICOS (Cray XMP and YMP installations)
• Expert in installing, compiling, tuning, configuring and maintaining large Apache, IIS, Tomcat environments
• Years of installing and configuring servers from source, package, or portage systems
• Expert in creating automated processes to handle many system administration tasks
• Have designed, coded, and implemented both from-scratch and many open source asset control systems