Lead Hosting System Administrator

National Interstate   •  

Cincinnati, OH

Industry: Accounting, Finance & Insurance


5 - 7 years

Posted 156 days ago

This job is no longer available.


Be Here. Be Great.  Working for a leader in the insurance industry means opportunity for you. Great American Insurance Group, a member of American Financial Group, is a Fortune 500 company consistently recognized as a top place to work.  We combine a "small company" culture where your ideas will be heard with "big company" expertise to help you succeed. With over 30 specialty property and casualty operations and a variety of financial services, there are always opportunities here to learn and grow.


  • Engage closely with architects, engineering, and operations teams in designing and delivering highly available and scalable services.
  • Learn, deploy and document newer technologies for the potential deployment of services.
  • Drive ongoing improvements and efficiencies in operational practices, tools & processes.
  • Installing, patching, and managing Red Hat Enterprise Linux 6 & 7 servers at multiple locations.
  • Build and deploy Microsoft Server platforms (2003, 2008, 2012) to production environments.
  • High level of analysis/troubleshooting of Windows 2008 R2 and Windows 2012 R2.
  • Developing and maintaining installation and configuration procedures for new server builds.
  • Install and configure web server technologies including Apache HTTP and Microsoft IIS.
  • Install and supportmiddleware technologies including Oracle WebLogic, Apache Tomcat, and .NET
  • Install software, apply patches, monitor performance and troubleshoot alerts.
  • Work with Java Developers and Application Development teams to tune and monitor JVM.
  • Support both production and non-production servers in a complex environment.
  • Performing hardware maintenance/repair activities.
  • Provide on-callsupport as needed.


OS and Platform Requirements:

  • 5+ years hands-on administration of large Linux environments
  • 3+ years hands-on experience with Apache and Tomcat
  • 1+ year hands-on management of Windows environments
  • 1+ year hands-on experience with IIS
  • Experience maintaining Red Hat Logical Volume Manager (LVM) and file systems.
  • Ability to effectively communicate with various teams and levels of management.
  • Must be able to work independently in the absence of supervision.

Nice to have:

  • Complex shell, Perl, or similar scripting ability to automate tasks and perform basic data analysis.
  • Understanding of DNS, Networking, and Firewalls
  • Install, configure and administer Microsoft Windows Clustering
  • Experience with virtualization technologies including VMware.
  • Interpret Java stack traces
  • Experience with PowerShell - Cmdlets for performing common system administration tasks, such as managing the registry, services, processes, and event logs, and using Windows Management Instrumentation (WMI).
  • Experience installing, configuring and maintaining Red Hat Satellite Server to centralize and automate the deployment of patches and providing reports of the environment.
  • Advanced knowledge in a modern configuration management solution such as Puppet or Ansible
  • Consults with personnel to identify current operating procedures and to clarify objectives.
  • Experience with Solaris 10 and ZFS.


  • Typically requires a minimum of 5 years of related experience with a Bachelor's degree; or equivalent experience.

Skill Set:

  • Operating Systems - Windows 2016 and 2012, Red Hat Enterprise Linux 6 & 7
  • Application Platforms – Java, Tomcat, .NET, Oracle Weblogic, jBOSS
  • Scripting –Shell Languages (Bash/TCSH/KSH), Perl, Python, or equivalent
  • Version control – GIT
  • Provisioning – vSphere, vRO
  • Storage – EMC, SAN, NAS
  • Networking - Infoblox, F5, Cisco
  • Database – Oracle, MS SQL
  • Hardware – Cisco UCS, vBlock, HP.

Job ID 23709