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Mainframe System Administrator Jobs in Ohio (NOW HIRING)

USM

DB2 DBA

Cincinnati, OH

Company Description USM Business Systems Inc. is a quickly developing worldwide System Integrator ... Mainframe/Cobol - have experience accessing database within a mainframe/cobol environment ...

PACCAR

Server Administrator

Chillicothe, OH · On-site

PACCAR is seeking a highly motivated and experienced Server Administrator 3 to oversee, maintain ... Mainframe and Warehouse Control Systems Strong documentation, organizational, and administration ...

PACCAR

Server Administrator

Chillicothe, OH

PACCAR is seeking a highly motivated and experienced Server Administrator 3 to oversee, maintain ... Mainframe and Warehouse Control Systems • Strong documentation, organizational, and ...

PACCAR

Server Administrator

Chillicothe, OH · On-site

PACCAR is seeking a highly motivated and experienced Server Administrator 3 to oversee, maintain ... Mainframe and Warehouse Control Systems • Strong documentation, organizational, and ...

USM

MQ Admin

Dayton, OH · On-site

Company Description USM Business Systems Inc. is a quickly developing worldwide System Integrator ... Enterprise MQ Design & Architecture SME- IBM z/OS Mainframe, Midrange Enterprise servers (AIX-Linux ...

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All JobsMainframe System Administrator JobsMainframe System Administrator Jobs in Ohio

Mainframe System Administrator information

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$9

$48

$63

How much do mainframe system administrator jobs pay per hour?

As of Aug 8, 2026, the average hourly pay for mainframe system administrator in Ohio is $48.61, according to ZipRecruiter salary data. Most workers in this role earn between $44.33 and $61.25 per hour, depending on experience, location, and employer.

What does a mainframe system administrator do?

A mainframe system administrator manages and maintains large-scale computer systems used by organizations for critical applications. They install, configure, monitor, and troubleshoot mainframe hardware and software, ensuring system security, performance, and availability. Proficiency in mainframe operating systems like z/OS and knowledge of automation tools are essential for the role.

Is a mainframe system administrator hard to learn?

Learning to become a mainframe system administrator can be challenging due to the complexity of mainframe environments, specialized tools, and command-line interfaces like TSO and JCL. It typically requires a strong understanding of operating systems, scripting, and often industry-specific knowledge, but with dedicated training and experience, it is achievable.

What are some common challenges faced by mainframe system administrators and how can they be managed?

Mainframe System Administrators often face challenges such as maintaining system uptime, managing legacy systems alongside new technologies, and ensuring security compliance. These tasks require proactive monitoring, thorough documentation, and continuous learning to keep up with software updates and security patches. Collaborating closely with development and network teams is essential to quickly resolve issues and implement improvements. Building strong troubleshooting skills and staying updated with mainframe advancements can help administrators effectively manage these challenges.

What are the key skills and qualifications needed to thrive as a mainframe system administrator?

To thrive as a Mainframe System Administrator, you need expertise in mainframe operating systems (such as z/OS), system troubleshooting, performance tuning, and typically a degree in computer science or related field. Familiarity with tools like IBM z/OS, JCL, RACF, SDSF, and mainframe automation software, as well as relevant certifications (e.g., IBM Certified System Administrator), is commonly required. Strong analytical thinking, attention to detail, and effective communication skills help navigate complex environments and coordinate with teams. These skills ensure reliable system uptime, rapid issue resolution, and secure, efficient operations critical to enterprise business continuity.

What is the difference between Mainframe System Administrator vs Network Administrator?

AspectMainframe System AdministratorNetwork Administrator
CertificationsIBM Certified System Administrator, Linux certificationsCompTIA Network+, Cisco CCNA
Work EnvironmentMainframe data centers, large enterprise ITCorporate offices, data centers, network operation centers
Industry UsageBanking, finance, governmentTelecommunications, IT services, corporate networks
Job FocusMaintaining mainframe hardware/software, ensuring system availabilityManaging network infrastructure, troubleshooting connectivity issues

The Mainframe System Administrator and Network Administrator roles share some certifications and work environments but differ in their primary focus. Mainframe System Administrators specialize in maintaining large-scale mainframe systems crucial for enterprise operations, while Network Administrators focus on managing and troubleshooting network infrastructure. Both roles are vital in enterprise IT but serve distinct functions within organizations.

What are popular job titles related to Mainframe System Administrator jobs in Ohio? For Mainframe System Administrator jobs in Ohio, the most frequently searched job titles are:
What job categories do people searching Mainframe System Administrator jobs in Ohio look for? The top searched job categories for Mainframe System Administrator jobs in Ohio are:
Mainframe System Administrator jobs near you
Infographic showing various Mainframe System Administrator job openings in Ohio as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $101,113 per year, or $48.6 per hour.

Mainframe Systems Administrator

Western & Southern Financial Group

Cincinnati, OH • On-site

Full-time

Re-posted 17 days ago

Western & Southern Financial Group rating

8.9

Company rating: 8.9 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

48th of 303 rated insurance

Job description

Job Summary:
Western & Southern Financial Group is a Fortune 500 company dedicated to customer service and community involvement. They are seeking a Mainframe Systems Administrator to manage and maintain core z/OS and z/VM platforms, ensuring operational reliability and security for critical business applications.
Responsibilities:
• Manage and maintain core z/OS and z/VM platforms that support Western & Southern's critical business applications.
• Oversee system performance, capacity, security administration, and operational reliability.
• Monitor system health, implement maintenance and upgrades, and coordinate with internal IT teams on incident resolution.
• Ensure stable and compliant mainframe operations.
Qualifications:
Required:
• Manage and maintain core z/OS and z/VM platforms that support Western & Southern's critical business applications.
• Oversee system performance, capacity, security administration, and operational reliability.
• Monitor system health.
• Implement maintenance and upgrades.
• Coordinate with internal IT teams on incident resolution.
• Ensure stable and compliant mainframe operations.
• Enjoy deep technical problem-solving.
• Structured operational work.
• Maintain high-availability environments in a financial setting.
Preferred:
• Experience with z/OS: Core operating system administration and maintenance.
• Experience with z/VM: Virtualization management for mainframe workloads.
• Experience with JCL: Job control for batch processing and operational workflows.
• Experience with security administration and access management.
• Experience with SDSF/ISPF: System monitoring, analysis, and command interfaces.
• Experience with performance monitoring and capacity planning.
• Experience with mainframe automation tools (e.g., OPS/MVS, System Automation).
• Experience with networking and storage utilities supporting mainframe operations.
Company:
Western & Southern Financial Group is a network and insurance group. Founded in 1888, the company is headquartered in Cincinnati, USA, with a team of 1001-5000 employees. The company is currently Late Stage.

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