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Mainframe Administration Jobs in Ohio (NOW HIRING)

Judge Group, Inc.

Mainframe Architect

Cincinnati, OH · On-site

$60 - $65/hr

Mainframe Architect Location: Cincinnati, OH ( Fully Remote) Duration: Longterm Open-ended project ... DIRMAINT administration - RACF/Top secret/ACF2 administration * REXX knowledge - SSI knowledge

Sysmind LLC

Mainframe Developer at Cleveland, OH

Cleveland, OH · On-site

$47.50 - $61/hr

Mainframe DB2, Application Development, System Z - SAS, System Z - Enterprise COBO, IT IS_AMS_Mainframe_CICS Administration 5 years minimum experience with related technologies (Mainframe and related ...

USM

Mainframe Developer-----Need GC and USC

Columbus, OH

$47.25 - $60.75/hr

Utilizing our industry knowledge, administration service offering expertise and innovation ... Mainframe Developer Duration - 18 months Location - Columbus, OH Need GC and USC Top Three Skills:

krg technology inc

Windows Administrators

Cincinnati, OH · On-site

$42 - $52.50/hr

Microsoft Windows System Administration, Active Directory, 7+ years of Experience Additional Information Should have In Leading a large team of technical experts in Mainframe and IMS DB/DCtegration ...

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Mainframe Administration information

What are the key skills and qualifications needed to thrive as a Mainframe Administrator, and why are they important?

To thrive as a Mainframe Administrator, you need a solid understanding of mainframe operating systems (such as z/OS), system configuration, and troubleshooting, typically supported by a degree in computer science or related IT experience. Familiarity with tools like IBM System Automation, JCL, RACF, and monitoring solutions, as well as certifications such as IBM Certified System Administrator, is highly valued. Strong analytical thinking, attention to detail, and effective communication skills help administrators efficiently resolve issues and collaborate with IT teams. These skills and qualifications are essential to ensure the reliability, security, and optimal performance of critical enterprise computing environments.

What are some common challenges faced by Mainframe Administrators and how can they be addressed?

Mainframe Administrators often encounter challenges such as managing legacy systems, ensuring system uptime, and balancing security with accessibility. Keeping up with evolving technologies and integrating mainframes with modern applications can require continuous learning and adaptation. Effective communication with development and operations teams is vital to ensure seamless updates and minimize downtime. Proactively monitoring system performance and applying best practices for disaster recovery can also help mitigate risks and maintain reliability.

What is the difference between Mainframe Administration vs Mainframe Support?

AspectMainframe AdministrationMainframe Support
CertificationsIBM Certified System Administrator, z/OS certificationsSimilar certifications, often including z/OS support certifications
Work EnvironmentData centers, enterprise IT departments managing mainframe systemsHelp desks, support teams assisting users and troubleshooting issues
ResponsibilitiesSystem setup, configuration, maintenance, performance tuningIssue resolution, user support, incident management
Industry UsageFinancial institutions, government agencies, large corporationsSame industries, focusing on user support and problem resolution

Mainframe Administration involves managing and maintaining mainframe systems, ensuring optimal performance and security. Mainframe Support focuses on assisting users, troubleshooting issues, and resolving incidents. Both roles require similar certifications and are vital in industries relying on mainframe technology, but they differ in daily responsibilities and focus areas.

What is Mainframe Administration?

Mainframe Administration involves managing and maintaining mainframe computer systems, which are powerful servers used by large organizations for critical applications and bulk data processing. Mainframe Administrators are responsible for installing, configuring, monitoring, and securing mainframe hardware and software. They ensure system performance, troubleshoot technical issues, handle backup and recovery, and apply updates or patches to keep systems running smoothly and securely. This role often requires strong technical skills, attention to detail, and the ability to work with legacy systems.
What are popular job titles related to Mainframe Administration jobs in Ohio? For Mainframe Administration jobs in Ohio, the most frequently searched job titles are:
What job categories do people searching Mainframe Administration jobs in Ohio look for? The top searched job categories for Mainframe Administration jobs in Ohio are:
Mainframe Administration jobs near you
Infographic showing various Mainframe Administration job openings in Ohio as of July 2026, with employment types broken down into 1% As Needed, 82% Full Time, 14% Part Time, 1% Temporary, and 2% Contract. Highlights an 92% Physical, 3% Hybrid, and 5% Remote job distribution.
Mainframe Systems Administrator

Mainframe Systems Administrator

Western & Southern Financial Group

Cincinnati, OH • On-site

Full-time

Re-posted 27 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

44th of 281 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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