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Mainframe Systems Administrator Jobs (NOW HIRING)

MDAEdge

Mainframe DB2 Administrator

Plano, TX · On-site

The role involves leading a team, managing system configurations, and providing technical guidance ... team of Mainframe professionals, including system programmers and administrators. • Provide ...

MDAEdge

Mainframe DB2 Administrator

Fort Worth, TX · On-site

MDAEdge is a company seeking a Mainframe DB2 Administrator with extensive experience in z/OS System Administration and related technologies. The role involves managing a team of Mainframe ...

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How much do mainframe systems administrator jobs pay per hour?

As of Aug 31, 2026, the average hourly pay for mainframe systems administrator in the United States is $51.13, according to ZipRecruiter salary data. Most workers in this role earn between $46.63 and $64.42 per hour, depending on experience, location, and employer.

What is a mainframe systems administrator?

A Mainframe Systems Administrator is responsible for managing, maintaining, and optimizing mainframe computer systems that support critical business applications. They install, configure, and upgrade mainframe hardware and software, ensuring system reliability, security, and performance. Typical duties include monitoring system operations, troubleshooting technical issues, applying patches or updates, and coordinating with development and security teams. They also implement backup and recovery procedures to prevent data loss and downtime. This role is essential for organizations that rely on mainframe technology for high-volume transaction processing and large-scale data management.

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

A successful Mainframe Systems Administrator typically possesses strong expertise in IBM z/OS or similar operating systems, proficiency in system monitoring, troubleshooting, and maintenance, often backed by a degree in computer science or a related field. Familiarity with mainframe management tools such as JCL, RACF, and various IBM utilities, as well as certifications like IBM Certified System Administrator, are highly valued. Attention to detail, analytical thinking, and effective communication are essential soft skills for managing complex systems and collaborating with technical teams. These competencies are critical for ensuring system reliability, security, and optimal performance in enterprise environments.

What are common career advancement opportunities for mainframe systems administrators?

Mainframe Systems Administrators often begin their careers handling routine maintenance and troubleshooting but can progress to senior administrator roles, systems architect positions, or specialize in performance optimization and security. With experience, there are opportunities to move into management roles such as Mainframe Operations Manager or IT Infrastructure Manager. Mainframe professionals are also valued in industries such as finance, healthcare, and government, where mainframe expertise remains crucial. Continued learning and certifications can help open doors to project leadership or specialized consultancy roles, making this a dynamic career path for those committed to ongoing growth.

Is a mainframe systems administrator role hard to learn?

Mainframe systems administrators need to learn complex legacy systems, programming languages like COBOL, and mainframe tools such as z/OS. Gaining proficiency typically requires specialized training and experience with mainframe environments, but with dedication, the role can be learned like other IT positions.

What does a mainframe systems administrator do?

A mainframe systems 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.
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Mainframe Systems Administrator jobs near you
Infographic showing various Mainframe Systems Administrator job openings in the United States as of August 2026, with employment types broken down into 1% As Needed, 85% Full Time, 9% Part Time, 4% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $106,357 per year, or $51.1 per hour.

Mainframe Systems Administrator

Western & Southern Financial Group

Cincinnati, OH • On-site

Full-time

This job post has expired 4 days ago. Applications are no longer accepted.

Western & Southern Financial Group rating

8.9

Company rating: 8.9 out of 10

Based on 9 frontline employees who took The Breakroom Quiz

38th of 315 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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