Linux Systems Administrator Iii
Envision Rx Options
Twinsburg, Ohio
Senior level administration of all operation functions managing 24/7 business critical Oracle databases running on Oracle Enterprise Linux (Red Hat). Responsible for architecting, implementing, and maintaining all enterprise systems, including Oracle 11g databases, physical and virtual OEL and Windows servers, IIS web sites, Apache and Tomcat web applications, custom developed adjudication applications, reporting applications, along with backup, monitoring, disaster recovery, software distribution, and patch management of all systems. I also research, recommend, test, and implement all new technologies, including working directly with vendors and negotiating contracts. This exciting position allows me to extend my skills while challenging me daily with new opportunities to improve existing processes and methods.• Designed, selected, implemented, and managed physical and virtual server infrastructure based on Oracle Enterprise Linux (Red Hat), VMWare, and Oracle databases• Researched, architected, selected, and implemented all supporting IT infrastructure systems to ensure high availability and redundancy of PBM processing system• Utilized high-end storage and server platforms to ensure 24/7 uptime while increasing processing performance by 75%• Installed, configured, and managed IIS and Apache web servers, sftp servers, cvs repository servers, TFS servers, and VMWare vCenter environments• Evaluated, Installed, configured, and managed monitoring, backup, and syslog systems using Zenoss and Confio Ignite, rsnapshot and phdVirtual, and Logstash/Kibana, git, etc.• Managed all system support systems such as DNS and DHCP, as well as local and remote storage arrays using LVM, iSCSI, and fiber channel technologies• Developed and maintained hundreds of Linux shell scripts to automate system and application management tasks