Designed and implemented a virtualization and storage cluster with Pacemaker, KVM, and Ceph to be compatible with AWS.Improved resource usage by consolidating servers with Xen and VMware Server. Designed and set up disaster recovery strategy with nightly disk based backups and monthly offsite archives for business critical data. Implemented custom spam and virus filter, significantly reducing mail server load, spam and virus delivery, and mail delivery time. Consolidated and encrypted authentication from NIS and multiple web applications with LDAP and designed a password policy improving user convenience and security. Organized and maintained 24 networked printers for GNU/Linux, Mac OS X, and Windows systems with CUPS to ease use and increase interoperability across platforms. Implemented Condor pool of 100+ GNU/Linux and Mac OS X workstations to utilize spare CPU cycles and manage long running compute jobs. Hired, trained, and managed a part time assistant to perform hardware m