Mainframe Systems Administrator

A Day in the Life of a Mainframe Systems Administrator:

As a Mainframe Systems Administrator, you will manage and maintain core z/OS and z/VM platforms that support Western & Southern's critical business applications. You will oversee system performance, capacity, security administration, and operational reliability. Your day includes monitoring system health, implementing maintenance and upgrades, coordinating with internal IT teams on incident resolution, and ensuring stable and compliant mainframe operations. This role suits someone who enjoys deep technical problem‑solving, structured operational work, and maintaining high‑availability environments in a financial setting.

• z/OS:
  Core operating system administration and maintenance.
• z/VM:
  Virtualization management for mainframe workloads.
• JCL:
  Job control for batch processing and operational workflows.
• Security administration and access management
• SDSF/ISPF:
  System monitoring, analysis, and command interfaces.
• Performance monitoring and capacity planning.
• Networking and storage utilities supporting mainframe operations.

• Medical, dental, vision, and life insurance
• 401(k) savings plan with pension options.
• Paid time off increasing with tenure.
• Tuition reimbursement and individualized career development plans.
• Parental leave and maternity leave with a 4‑week transition back to work.
• Access to on‑site amenities like a fitness center, cafeteria and more.
• Extensive employee discount program.