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Mainframe Systems Administrator Jobs (NOW HIRING)

Merican

Mainframe Administrator

San Antonio, TX · On-site

Mainframe System Administrator/Mainframe Infrastructure Expert s: * Mainframe z/OS Admin responsible for managing IBM z/OS operating system In-depth knowledge of IBM z/OS operating systems and ...

Tekwissen

Mainframe Administrator

San Antonio, TX · On-site

Mainframe System Administrator/Mainframe Infrastructure Expert s: * Mainframe z/OS Admin responsible for managing IBM z/OS operating system In-depth knowledge of IBM z/OS operating systems and ...

Cognizant

Mainframe Z/OS Systems Admin

Cognizant is seeking a Mainframe Z/OS Systems Admin to manage and enhance complex z/OS environments. The role involves performing system programming activities, supporting software standardization ...

MDAEdge

Mainframe DB2 Administrator

Houston, TX · On-site

MDAEdge is seeking a Mainframe DB2 Administrator with extensive experience in z/OS System Administration and Mainframe technologies. The role involves installing, configuring, and maintaining IBM z ...

MDAEdge

Mainframe DB2 Administrator

Austin, TX · On-site

MDAEdge is a company seeking a highly skilled Mainframe DB2 Administrator with expertise in z/OS System Administration and a strong understanding of various Mainframe technologies. The role involves ...

MDAEdge

Mainframe DB2 Administrator

San Antonio, TX · On-site

MDAEdge is a company seeking a Mainframe DB2 Administrator with extensive expertise in z/OS System Administration and Mainframe technologies. The role involves installing, configuring, and ...

MDAEdge

Mainframe DB2 Administrator

Los Angeles, CA · On-site

MDAEdge is a company seeking a Mainframe DB2 Administrator with extensive expertise in z/OS System Administration and related technologies. The role involves installing, configuring, upgrading, and ...

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Mainframe Systems Administrator information

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How much do mainframe systems administrator jobs pay per hour?

As of Jun 30, 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 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.

What is a typical sysadmin salary?

A Mainframe Systems Administrator typically earns between $70,000 and $120,000 annually, depending on experience, certifications, and location. Salaries can be higher in industries with complex legacy systems or in regions with a high cost of living, and the role often requires knowledge of mainframe platforms like IBM z/OS and skills in system maintenance and security.

How much do mainframe system administrators make?

Mainframe systems administrators typically earn between $70,000 and $120,000 annually, depending on experience, certifications, and location. Senior roles or those with specialized skills in tools like z/OS or COBOL can earn higher salaries, especially in large enterprise environments.

What are the key skills and qualifications needed to thrive in the Mainframe Systems Administrator position, and why are they important?

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 does a mainframe system administrator do?

A mainframe systems administrator manages and maintains large-scale mainframe computer systems, ensuring their security, performance, and availability. They configure hardware and software, troubleshoot issues, and often work with tools like z/OS and automation scripts to support enterprise operations.

Can mainframe be replaced by AI?

Mainframe Systems Administrators manage large-scale, critical computing environments that require high reliability and security. While AI can assist with automation and monitoring tasks, it is unlikely to fully replace the need for skilled administrators who handle complex configurations, troubleshooting, and system maintenance on mainframes. Human expertise remains essential for managing these specialized systems effectively.

What is a Mainframe Systems Administrator job?

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.

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Mainframe Systems Administrator jobs near you
Infographic showing various Mainframe Systems Administrator job openings in the United States as of June 2026, with employment types broken down into 1% Internship, 44% Full Time, 6% Part Time, 3% Temporary, 42% Contract, and 4% Nights. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $106,357 per year, or $51.1 per hour.
Mainframe Systems Administrator

Mainframe Systems Administrator

Integrity Consulting

Winston Salem, NC • On-site

Other

Posted 4 days ago

Job description

DIRECT HIRE POSITION-UNFORTUNATELY UNABLE TO WORK WITH VISAS OR C2C

Seeking a Mainframe Systems Administrator who will support current and future implementations of Unisys ClearPath MCP mainframes and related system software/hardware with in order to maintain maximum performance and reliability in a mainframe environment.

Responsibilities:

·       Performing highly technical system configuration and programming.

·       Installation and configuration of mainframe systems and related devices for network and storage system connectivity

·       Work collaboratively with other Operations and Technology teams, users, and product stakeholders

·       Serve as an internal consultant to systems development staff for information on components of the operating system including file management routines, system performance analysis and software enhancements

·       Develop utility software to perform system or application related automation tasks

·       Additional functions and responsibilities:

·       Programs and supports mainframe related PC server and desktop scripting

·       Supports PC server and desktop configuration of applications that interface with mainframe

Required Skills:

·       Knowledge of systems programming concepts such as table and bit manipulation, messaging, queuing, database organization and disk I/O

·       Experience with Unisys ClearPath Libra mainframe hardware installation and configuration including OPS console, System Editor, OC Manager, Network connectivity, Storage network connectivity, Software Installation

·       Experience with Unisys ClearPath Software Series VM based system installation and configuration

·       General knowledge of Windows networking and iSCSI concepts

·       Knowledge of the integration of the Microsoft Windows server, Linux server and Unisys mainframe in distributed environment

·       Bachelor’s degree in Computer Science, or a combination of equivalent education and experience in systems configuration, programming, and integration.

Desired Skills:

·       Knowledge of Unisys MCP mainframe operating environment and utilities including: DMSII, COMS, CCF, Security Center, System Assistant, NX/Services, OLEDB, Secure-Transport, Simple Install, Log Analyzer, CANDE / WFL, Programmer’s Work Bench, MCP based disk mirroring

·       Filing incidents with Unisys support and providing supporting files such as system and program dumps

·       Unisys Networking concepts, including TCP/IP routing and addressing, Libra network host initialization files, NX/NET, Win RPC, SAN & switching setups.

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