Summary
Overview
Work History
Education
Skills
Personal Information
Timeline
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Benjamin Hansen

Columbus,OH

Summary

Experienced IT Specialist with a wide spectrum of expertise ranging from Network Architecture, Storage, Security and Access Management through hardware lifecycle management, Data Center management, Systems Architecture, Software Reliability and more. Expertise in process analysis and problem-solving combined with a proven track record of successful projects.

Overview

34
34
years of professional experience

Work History

Senior Programmer Analyst

FIS
Milwaukee, WI
04.2011 - 06.2025
  • Automation & Engineering: Develop tools and automation scripts to reduce manual work (toil), improve system reliability, and increase efficiency.
  • Incident Management: Troubleshoot, resolve, and conduct post-incident reviews ("blameless postmortems") for system-level issues.
  • System Monitoring: Monitor availability, latency, and system performance to proactively identify risks and ensure service-level objectives (SLOs) are met.
  • Capacity Planning: Analyze system resource usage to forecast capacity needs and scale infrastructure to meet demand.
  • Collaboration: Work with software developers to optimize code, improve scalability, and ensure systems are designed for reliability.
  • Use tools like Ansible, Jenkins, Openshift and JIRA to automate software deployment

Senior Unix Administrator

NetJets, Inc.
Columbus, OH
12.2008 - 03.2011
  • Install and configure new AIX and Red Hat Enterprise Linux servers in the four NetJets, Inc. distributed data centers.
  • Monitor and perform daily maintenance on 42 RHEL servers versions 4.x and 5.x.
  • Manage Linux kickstart, and AIX NIM to configure automated install environments.
  • Monitor and perform daily maintenance on 207 AIX logical partitions (dev, qa, test, prod, d/r).
  • Manage AIX virtualization, build VIO servers and AIX LPARs on power5, power6, and power7 hardware (p550, p560, p570, p750, JS22 blade)
  • Install and configure Veritas Cluster Server on AIX servers.
  • Define and manage VCS resources to support Oracle in highly available failover groups.
  • Manage tape backups using TSM.
  • Perform on-call activities as they occur.
  • Mentor and train junior team members in all activities.
  • Implemented security protocols and monitoring systems to safeguard sensitive data and maintain compliance.

Consultant, Unix Administration (at NetJets)

Robert Half Technologies
Columbus, OH
12.2006 - 12.2008
  • Install and configure new servers Solaris, Red Hat Linux and AIX in the NetJets, Inc. data centers.
  • Monitor and perform daily maintenance on 18 Solaris servers version 2.8.
  • Monitor and perform daily maintenance on 34 RHEL servers versions 3.x, 4.x and 5.x.
  • Monitor and perform daily maintenance on over 90 AIX logical partitions (dev, qa, test, prod, d/r).
  • Configure custom Solaris jumpstart, AIX NIM, and Linux kickstart environments for unattended installs.
  • Install and configure Veritas Cluster Server on Solaris and AIX servers.
  • Define and manage VCS resources to support Oracle in highly available failover groups.
  • Manage tape backups using TSM.
  • Perform on-call activities as they occur.
  • Manage AIX virtualization, build VIO servers and AIX LPARs.

Consultant, Unix Administration (at Longaberger)

Independent Consultant
Newark, OH
05.2006 - 12.2006
  • Install and configure new servers in the The Longaberger Company’s data centers.
  • Monitor and perform daily maintenance on AIX and Solaris servers.
  • Performance monitoring and tuning of AIX and Solaris servers.
  • Define and manage Veritas Cluster Server resources for Oracle high availability failover.
  • Perform on-call activities as they occurred.

Consultant, Unix Administration and LDAP administration (at CHASE)

Strategic Staffing Solutions
11.2005 - 05.2006
  • Installation of new Solaris and Linux (Red Hat 3.x, 4.x and Suse 9.x, 10.x) servers.
  • Performance monitoring and tuning of Red Hat and Suse Linux as well as Solaris servers in the single sign-on environment.
  • Deployment of new servers within the CHASE single sign-on environment.
  • Configuration and management of Novell eDirectory and Oracle internet Directory to support the CHASE single sign-on environment.

Senior Systems Engineer & Administrator

Nationwide Mutual Insurance
10.1999 - 11.2005
  • Nationwide Signon environment is comprised of Sun Solaris 2.8, Microsoft Windows 2000, and Linux (Red Hat and Suse) servers, running Novell eDirectory 8.7.x, Active Directory, and SunOne Directory Server.
  • Engineer best practice solutions for customers migrating applications to use LDAP Authentication.
  • Mentor new hires to bring them up to speed quickly.
  • Performance monitoring and tuning of the Nationwide Signon (LDAP) environment.
  • Deployment of new servers within the Nationwide Signon (LDAP) environment.

Senior Security Engineer

Nationwide Mutual Insurance
10.1999 - 11.2005
  • Responsible for development of the enterprise authentication infrastructure that enables single signon and portal services.
  • Install Solaris and Linux (Red Hat and Suse) servers and LDAP services.
  • Performance monitoring and tuning of the LDAP infrastructure servers.
  • Assist customers with application connectivity and components running on a variety of platforms including Solaris, HP/UX, AIX and Windows 2000.

Software Specialist II

Nationwide Mutual Insurance
10.1999 - 11.2005
  • Technical analyst on several enterprise-level IT projects, including implementing Lightweight Directory Services to consolidate several tertiary data stores and prepare for single sign-on, designing multiple High Availability clusters for database and application uses, and an Enterprise wide data security project that enables PKI infrastructure.
  • Provided Tier 2 support for Solaris 2.5 - 2.8 and AIX 4.3.x
  • Define and Manage Veritas Cluster Server resources.
  • Responsible for generating hardware specifications to meet customer’s needs, and evaluating project requirements to determine best practice solutions.

Software Specialist

Nationwide Mutual Insurance
10.1999 - 11.2005
  • Maintained security by implementing multiple firewalls throughout the Nationwide Mutual Insurance Company’s intranet.
  • Provided Tier 2 support for Solaris 2.5 - 2.8 and AIX 4.3.x

Systems Engineer

CMHC Systems Inc.
04.1996 - 10.1999
  • In-house Local and Wide Area Network support
  • LAN/WAN Consulting to the CMHC Systems customers
  • Provided Tier 2 AIX (3.5 - 4.3.1) support.

Systems Engineer

AT&T Bell Systems Laboratories
10.1995 - 04.1996
  • In-house Local and Wide Area Network support
  • Managed 250 development systems for the Audix development group running on AT&T Multiple Application Server platforms and the AT&T System V UNIX operating system

Systems Engineer

Ashland Chemical
01.1995 - 10.1995
  • In-house Local and Wide Area Network support
  • Managed 3 systems technicians in installation of new systems
  • Provided tier 3 support to Ashland Chemical internal help desk

Systems Consultant

White Owl Computers
02.1991 - 01.1995
  • Designed and implemented Local and Wide Area Networks for a large customer base
  • Integrated and serviced over 200 PC's and servers running a variety of operating systems
  • Developed training courses for my customers in application usage and system management

Education

NetJets, Inc.
Columbus, OH

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NetJets, Inc.
Columbus, OH

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New Horizons
Columbus, OH

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Sun
Chicago, IL

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Oracle
Orlando, FL

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Novell
Columbus, OH

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Veritas
Columbus, OH

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Sun
San Pedro, CA

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United States Army Signal Corps
Fort Bragg, NC
01.1989

Skills

  • Solaris
  • AIX
  • Linux Redhat
  • Netscape Directory Server
  • IPlanet Directory Server
  • Oracle Internet Directory
  • Novell eDirectory
  • Microsoft Active Directory
  • LDAP
  • VPN
  • Firewalls
  • Strong communication skills
  • Agile methodologies mastery
  • Efficient project management

Personal Information

Title: Senior Unix Administrator

Timeline

Senior Programmer Analyst

FIS
04.2011 - 06.2025

Senior Unix Administrator

NetJets, Inc.
12.2008 - 03.2011

Consultant, Unix Administration (at NetJets)

Robert Half Technologies
12.2006 - 12.2008

Consultant, Unix Administration (at Longaberger)

Independent Consultant
05.2006 - 12.2006

Consultant, Unix Administration and LDAP administration (at CHASE)

Strategic Staffing Solutions
11.2005 - 05.2006

Senior Systems Engineer & Administrator

Nationwide Mutual Insurance
10.1999 - 11.2005

Senior Security Engineer

Nationwide Mutual Insurance
10.1999 - 11.2005

Software Specialist II

Nationwide Mutual Insurance
10.1999 - 11.2005

Software Specialist

Nationwide Mutual Insurance
10.1999 - 11.2005

Systems Engineer

CMHC Systems Inc.
04.1996 - 10.1999

Systems Engineer

AT&T Bell Systems Laboratories
10.1995 - 04.1996

Systems Engineer

Ashland Chemical
01.1995 - 10.1995

Systems Consultant

White Owl Computers
02.1991 - 01.1995

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NetJets, Inc.

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New Horizons

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Sun

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Oracle

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Novell

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Veritas

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Sun

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United States Army Signal Corps

NetJets, Inc.
Benjamin Hansen