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Mainframe System Programmer Jobs in Illinois (NOW HIRING)

Atria Group LLC

Mainframe/Cobol developer

Bloomington, IL

$47 - $60.50/hr

... engineering, systems development, testing, integration, and implementation, and management ... Mainframe/Cobol developer * Resource needed with industry knowledge/experience of IBM's Rational ...

LRS

Systems Programmer

Springfield, IL · On-site

$40 - $60/hr

Perform capacity planning and support disaster recovery testing for mainframe environments. Train and mentor system operators and application programmers as needed. Perform integration testing of new ...

Barrow Wise Consulting

Mainframe Developer

Springfield, IL

$48.50 - $62.50/hr

The Mainframe Developer will support Barrow Wise's State of Illinois project and perform the ... Demonstrate strong expertise in Mainframe IMS (Information Management Systems) and MVS (Multiple ...

Apolis

Mainframe Developer (Intermediate)

Chicago, IL · On-site

$50.50 - $65/hr

They are seeking an Intermediate Mainframe Developer responsible for the daily development ... Responsibilities : • Develop, test, and deploy code changes for claims processing systems based ...

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How much do mainframe system programmer jobs pay per hour?

As of Jun 12, 2026, the average hourly pay for mainframe system programmer in Illinois is $56.37, according to ZipRecruiter salary data. Most workers in this role earn between $51.25 and $65.24 per hour, depending on experience, location, and employer.

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

To thrive as a Mainframe System Programmer, you need deep knowledge of mainframe operating systems (such as z/OS), programming languages like COBOL or Assembler, and a degree in computer science or a related field. Familiarity with mainframe tools (e.g., IBM ISPF, JCL, SMP/E) and certifications such as IBM Certified System Programmer are typically required. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with IT teams. These skills are vital to ensure the stability, security, and efficiency of critical enterprise computing environments.

What are some common challenges Mainframe System Programmers face when supporting legacy systems?

Mainframe System Programmers often encounter challenges such as integrating modern applications with legacy mainframe environments, ensuring system security while maintaining uptime, and troubleshooting complex issues that span both old and new technologies. They may also face difficulties due to limited documentation or retiring expertise as experienced colleagues leave the workforce. Staying current with evolving mainframe tools and best practices helps address these challenges and keeps systems running smoothly.

Are mainframe jobs in demand?

Mainframe system programmer roles are in steady demand due to the continued reliance of large organizations on mainframe systems for critical operations. These jobs require expertise in COBOL, JCL, and mainframe environments, and professionals with skills in modernization and automation are increasingly sought after. The demand remains stable as many enterprises maintain legacy systems alongside newer technologies.

Is mainframe difficult to learn?

Mainframe system programming can be complex due to its specialized environment, programming languages like COBOL and Assembler, and unique operational procedures. However, with proper training and experience, it is learnable, especially for those with a background in computer science or IT. Consistent practice and understanding of mainframe tools and concepts are essential for proficiency.

What is the difference between Mainframe System Programmer vs Mainframe Application Developer?

AspectMainframe System ProgrammerMainframe Application Developer
Required CredentialsCertifications in mainframe systems, such as IBM Certified System ProgrammerProgramming certifications, often in COBOL, Java, or other languages
Work EnvironmentOperate primarily on mainframe hardware, focus on system setup and maintenanceDevelop and modify applications running on mainframes
Employer & Industry UsageUsed by organizations with large-scale legacy systems, banking, insuranceDevelops business applications for mainframe environments in similar industries

While both roles work within mainframe environments, Mainframe System Programmers focus on system setup, maintenance, and optimization, whereas Mainframe Application Developers concentrate on creating and updating applications that run on mainframes. Understanding these differences helps in choosing the right career path or job search focus.

What are mainframe system programmers?

Mainframe system programmers are IT professionals who specialize in installing, configuring, maintaining, and optimizing mainframe computer systems. They are responsible for the underlying software infrastructure, such as operating systems (like IBM z/OS), network configurations, and middleware. Their work ensures that mainframe environments run efficiently, securely, and with minimal downtime, supporting critical applications for large organizations. System programmers also troubleshoot complex issues and implement updates or enhancements as needed.

How much does IBM mainframe pay?

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

What does a mainframe system programmer do?

A mainframe system programmer is responsible for installing, maintaining, and troubleshooting mainframe operating systems and related software. They configure hardware, optimize system performance, and ensure system security, often using tools like z/OS and JCL. Strong knowledge of system architecture, scripting, and problem-solving skills are essential for this role.
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Mainframe System Programmer jobs near you
Infographic showing various Mainframe System Programmer job openings in Illinois as of June 2026, with employment types broken down into 5% Locum Tenens, 42% As Needed, 19% Full Time, 3% Part Time, 18% Temporary, and 13% Nights. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $117,258 per year, or $56.4 per hour.

Mainframe/Cobol developer

Atria Group LLC

Bloomington, IL

$47 - $60.50/hr

Other

Posted 2 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description
  • Mainframe/Cobol developer
  • Resource needed with industry knowledge/experience of IBM's Rational Asset Analyzer (RAA) tool. 
  • Preferable, but not mandatory is additional knowledge/experience of MicroFocus Enterprise Analyzer (MFEA). 
  • Skills in Software Impact Analysis and Host mainframe computing experience.
Additional Information
  1. Good comm skills are a big priority
  2. Duration:  6+ months

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