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Mainframe System Programmer Jobs in Ohio (NOW HIRING)

Mainframe Developer

Cincinnati, OH · Hybrid

$47 - $60.50/hr

Develop, test, and deploy code changes for claims processing systems based on technical ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Mainframe Engineer

Dublin, OH · On-site

$50 - $60/hr

Support system testing, user acceptance testing (UAT), and deployment activities * Document ... mainframe development experience * Strong proficiency in: * COBOL programming * CICS online ...

Mainframe Developer

Cleveland, OH · Hybrid

$47.50 - $61/hr

Develop, test, and deploy code changes for claims processing systems based on technical ... As an experienced Mainframe Developer ,you will have the ability to share new ideas and collaborate ...

Mainframe Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

Mainframe Developer Location: Columbus, OH (Hybrid- 3 Days in-office per week) Duration: 6-12 Months Description: We are seeking a mid-level Mainframe developer with strong skills in COBOL, JCL, and ...

Mainframe Developer (F2F Interview)

Dublin, OH · On-site

$46.25 - $59.50/hr

... systems. Responsibilities · Design, develop, test, and maintain mainframe applications using COBOL ... developers throughout the SDLC. · Create and maintain technical documentation. Required ...

Sr. Mainframe Application Developer

Columbus, OH · On-site

$45.75 - $58.75/hr

What You'll Do Teradata is looking for a skilled Mainframe Developer to join our Customer Developer ... Profile system, network, and application performance using tools such as SDSF and SMF * Collect ...

Mainframe Engineer

Columbus, OH · On-site

$45.75 - $58.75/hr

Mainframe Engineer Location: Columbus OH ONSITE Length ... Contract W2 Mainframe Batch scheduling team System prog exp in CA7 or CA products Not operations ...

Mainframe Z/OS

Columbus, OH · On-site

$45.75 - $58.75/hr

Working with other developers to create high-performance, scalable applications * Researching new ... Deep understanding of the z/OS operating system. * JCL Knowledge: Proficient in Job Control ...

Mainframe senior developer

Cincinnati, OH · On-site

$47 - $60.50/hr

Work experience on System integration projects is a plus. * Knowledge of test automation tools and ... Exposure to DevOps tools such as Jenkins, Nexus, Ansible is a plus. This not a remote option and ...

Mainframe Engineer z/OS

Columbus, OH · On-site

$45.75 - $58.75/hr

This candidate will be filling an experienced systems mainframe engineer position. The candidate must have the following skills: * Advanced or expert level SMP/E experience. * Debugging and tuning ...

Mainframe Infra Engineer

Columbus, OH · On-site

$161K - $191K/yr

Mainframe Infra Engineer Location: Columbus, OH (3 days onsite 2 days remote) W2 Contract Only ... systems, information retrieval, networking, large scale software development, security software ...

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Mainframe System Programmer information

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How much do mainframe system programmer jobs pay per hour?

As of Jun 27, 2026, the average hourly pay for mainframe system programmer in Ohio is $55.31, according to ZipRecruiter salary data. Most workers in this role earn between $50.29 and $63.99 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.
What job categories do people searching Mainframe System Programmer jobs in Ohio look for? The top searched job categories for Mainframe System Programmer jobs in Ohio are:
What cities in Ohio are hiring for Mainframe System Programmer jobs? Cities in Ohio with the most Mainframe System Programmer job openings:
Mainframe Developer

Mainframe Developer

Deloitte

Cincinnati, OH • Hybrid

$47 - $60.50/hr

Other

Posted 24 days ago


Deloitte rating

8.1

Company rating: 8.1 out of 10

Based on 86 frontline employees who took The Breakroom Quiz

55th of 139 rated financial services


Job description

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Mainframe Developer,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent Model is designed for professionals with specialized skills that align to a current client need. Team members focus on delivering services to clients, without additional expectations related to business development or promotion. Their employment is tied to their role on a project, and they are eligible for a benefits package that is competitive for project delivery-focused professionals.

Work you'll do/Responsibilities  

  • Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
  • Develop, test, and deploy code changes for claims processing systems based on technical specifications.
  • Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
  • Assist in unit and integration testing of new healthcare compliance updates.
  • Maintain accurate technical documentation and runbooks for the Operate team.

The Team 

Our AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation.

Recruiting for this role ends on June 22nd, 2026

Qualifications 

 Required 

  • 4+ years of experience in software, systems, or embedded engineering
  • 4+ years of experience in Mainframe application development (COBOL, JCL, DB2).
  • Experience with incident and change management processes (e.g., ServiceNow).
  • Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
  • Limited immigration sponsorship may be available
  • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Qualifications 

 Preferred  

  • Experience in the healthcare/insurance domain

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $74,900.00-$147,600.00.


Qualifications:

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Mainframe Developer,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent Model is designed for professionals with specialized skills that align to a current client need. Team members focus on delivering services to clients, without additional expectations related to business development or promotion. Their employment is tied to their role on a project, and they are eligible for a benefits package that is competitive for project delivery-focused professionals.

Work you'll do/Responsibilities  

  • Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
  • Develop, test, and deploy code changes for claims processing systems based on technical specifications.
  • Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
  • Assist in unit and integration testing of new healthcare compliance updates.
  • Maintain accurate technical documentation and runbooks for the Operate team.

The Team 

Our AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation.

Recruiting for this role ends on June 22nd, 2026

Qualifications 

 Required 

  • 4+ years of experience in software, systems, or embedded engineering
  • 4+ years of experience in Mainframe application development (COBOL, JCL, DB2).
  • Experience with incident and change management processes (e.g., ServiceNow).
  • Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
  • Limited immigration sponsorship may be available
  • Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Qualifications 

 Preferred  

  • Experience in the healthcare/insurance domain

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $74,900.00-$147,600.00.


Education:Bachelor's DegreeEmployment Type:

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