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Mainframe Systems Operator Jobs (NOW HIRING)

Halo Group

Z/OS Mainframe Systems Programmer

Anderson, SC

$50.25 - $64/hr

The Z/OS Mainframe Advanced Systems Programmer will be responsible for the analysis, development, modification, installation, testing and maintenance of operating systems software. This person needs ...

Accel BI

Mainframe System Programmer

Raleigh, NC ยท On-site

$53.50 - $68/hr

accel bi corporation is seeking an experienced Mainframe Systems Programmer to join our team in ... Qualifications Thorough knowledge of the IBM z/OS operating system and its interrelationships.

IT America Inc

IBM Mainframe Administrator

Dallas, TX ยท Remote

System Management: Oversee the installation, configuration, and maintenance of mainframe hardware, software, and operating systems. * Performance Monitoring: Monitor system performance and ensure ...

Synechron

Mainframe System Programmer

Manhattan, NY ยท On-site

$110K - $130K/yr

Administer, maintain, and support IBM z/OS operating systems and associated mainframe infrastructure * Perform system programming activities including installation, customization, maintenance, and ...

IT America Inc

IBM Mainframe Administrator

Madison, WI ยท Remote

System Management: Oversee the installation, configuration, and maintenance of mainframe hardware, software, and operating systems. Performance Monitoring: Monitor system performance and ensure ...

MDAEdge

Mainframe DB2 Administrator

Fort Worth, TX ยท On-site

MDAEdge is a company seeking a Mainframe DB2 Administrator with extensive experience in z/OS System ... Responsibilities : โ€ข Install, configure, upgrade, and maintain IBM z/OS operating system and ...

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Mainframe Systems Operator information

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$10

$32

$83

How much do mainframe systems operator jobs pay per hour?

As of Sep 14, 2026, the average hourly pay for mainframe systems operator in the United States is $32.69, according to ZipRecruiter salary data. Most workers in this role earn between $19.47 and $38.22 per hour, depending on experience, location, and employer.

What is a mainframe systems operator?

Mainframe Systems Operators are IT professionals responsible for monitoring, managing, and maintaining mainframe computer systems. They ensure the smooth operation of these powerful computers, perform routine system checks, respond to alerts, and troubleshoot issues to minimize downtime. Their duties often include starting or stopping jobs, managing backups, and coordinating with other IT staff to resolve problems. Mainframe Systems Operators play a critical role in supporting the large-scale computing needs of organizations, especially in industries like finance, government, and healthcare.

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

To excel as a Mainframe Systems Operator, you need a solid understanding of mainframe operating systems, job scheduling, and system monitoring, often supported by an associate degree in computer science or related experience. Familiarity with tools like IBM z/OS, JCL (Job Control Language), and system automation software is typically required. Attention to detail, strong problem-solving skills, and the ability to communicate clearly with technical teams are important soft skills. Mastering these abilities ensures reliable system performance, minimizes downtime, and supports critical business operations.

What are some common challenges faced by mainframe systems operators, and how can they be addressed?

Mainframe Systems Operators often encounter challenges such as managing system outages, responding to unexpected errors, and balancing multiple high-priority tasks. These situations require quick decision-making and a strong understanding of mainframe environments. Operators can address these challenges by staying up-to-date with system documentation, regularly participating in training, and collaborating closely with system administrators and application support teams. Proactive monitoring and clear communication are key to minimizing downtime and ensuring smooth system operations.

What is the difference between Mainframe Systems Operator vs Mainframe Systems Analyst?

AspectMainframe Systems OperatorMainframe Systems Analyst
CredentialsTypically requires a high school diploma or equivalent; certifications like IBM Certified System Operator are commonBachelor's degree in Computer Science or related field; certifications like IBM Certified Advanced System Administrator are preferred
Work EnvironmentData centers, server rooms, or IT operations centersOffice settings, often collaborating with development and support teams
Job FocusMonitoring, controlling, and maintaining mainframe operationsAnalyzing system performance, troubleshooting, and optimizing mainframe systems
Employer & Industry UsageFinancial institutions, government agencies, large corporationsSame industries, with additional focus on system analysis and planning

The Mainframe Systems Operator primarily manages and monitors mainframe operations, ensuring system stability. In contrast, the Mainframe Systems Analyst focuses on analyzing system performance and implementing improvements. Both roles are essential in mainframe environments but differ in responsibilities and required skills.

What cities are hiring for Mainframe Systems Operator jobs?

Cities with the most Mainframe Systems Operator job openings:

What states have the most Mainframe Systems Operator jobs?

States with the most job openings for Mainframe Systems Operator jobs include:

What are popular job titles related to Mainframe Systems Operator jobs?

For Mainframe Systems Operator jobs, the most frequently searched job titles are:

Infographic showing various Mainframe Systems Operator job openings in the United States as of August 2026, with employment types broken down into 85% Full Time, 9% Part Time, 5% Contract, and 1% Nights. Highlights an 90% Physical, 2% Hybrid, and 8% Remote job distribution, with an average salary of $67,988 per year, or $32.7 per hour.

Mainframe Assembler

Wilmington, DE โ€ข On-site

Donato Technologies, Inc
IT Servicesย โ€ขย 51 - 200 employees
Learn more about Donato Technologies, Incexternal

$60/hr

Contractor

Re-posted 6 hours ago

Job description

RTTO – 5 Days Onsite

Job Description:


Design, coding, and testing: Mainframe assemblers are responsible for designing, coding, and testing application programs using the IBM Assembler language. They should also be familiar with the entire Software Development Life Cycle (SDLC) and have a solid understanding of mainframe operating systems, such as z/OS. 


Debugging and troubleshooting: They perform debugging and troubleshooting of mainframe applications to ensure they function correctly and efficiently. 


Documentation: Mainframe assemblers may also be responsible for documenting the design of the assembler programs, explaining how they work, and providing guidelines for their use. 

Technical support: They provide technical support for mainframe systems, optimizing performance, and ensuring compliance with coding standards and technical design. 

These assemblers work closely with system architects and analysts to understand the requirements and specifications of a system, and then translate these into efficient, low-level machine code. They must keep themselves updated with the latest mainframe technologies and assembler programming techniques to ensure the continuous functionality and reliability of mainframe systems. 

Donato Technologies Inc. is a trusted IT staffing, consulting, and software development partner headquartered in Dallas, Texas. We support clients across industries by understanding their unique business needs and delivering tailored technology and workforce solutions. Our focus is on connecting the right talent with the right opportunity-ensuring clients receive dependable, skilled professionals and candidates receive meaningful career growth and support. We work closely with small to mid-sized organizations to provide flexible, high-quality services that drive performance, innovation, and long-term success.