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Mainframe System Programmer Jobs in Ohio (NOW HIRING)

2T Consulting

Mainframe Assembler Developer

Midland, OH

$44 - $56.50/hr

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler ... Develop and support applications in mainframe environments, including z/OS operating systems.

SVA System Vertrieb Alexander GmbH

$102.57 - $136.77/hr

Verstärken Sie unser Team als Senior System Engineer - IBM Z / Mainframe (m/w/d) an einem unserer Standorte deutschlandweit . Ihre Aufgaben * Begleitung von IT-Projekten von der Presales-Phase bis ...

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Huntington

Mainframe Systems Engineer III

Cambridge, OH · On-site

$153K - $181K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Write and maintain system documentation. Responsible for matching current technology with the needs ...

Huntington

Mainframe Systems Engineer III

Cambridge, OH · On-site

$153K - $181K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Write and maintain system documentation. Responsible for matching current technology with the needs ...

Huntington

Mainframe Systems Engineer III

Columbus, OH · On-site

$167K - $198K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Write and maintain system documentation. Responsible for matching current technology with the needs ...

Huntington

$158K - $188K/yr

The Mainframe Systems Engineer III candidate must have experience in one or more of the following ... Write and maintain system documentation. Responsible for matching current technology with the needs ...

Diverse Lynx Llc

Mainframe developer

Delaware, OH · On-site

$46.50 - $59.75/hr

CTS - JPMC Mainframe developer Delaware (onsite) - 5 days Looking for someone who can self-run ... systems · Estimate and plan JIRA stories, document your tasks · Perform hands on coding and peer ...

Judge Group, Inc.

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 ...

CYNET SYSTEMS

Mainframe Developer

Cincinnati, OH · On-site

$55 - $60/hr

Mainframe DB2 - 4+ years. * Developer / Software Engineer - 4+ years. Benefits Our Benefits Include ... Cynet Systems Inc. reserves the right to modify, amend, or terminate any benefit plans at any time ...

Accenture

Mainframe Specialist

Cleveland, OH · On-site

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Columbus, OH · On-site

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Hartford, OH · On-site

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Cincinnati, OH · On-site

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

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Mainframe System Programmer information

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How much do mainframe system programmer jobs pay per hour?

As of Aug 20, 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 is a mainframe system programmer?

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.

What are the key skills and qualifications needed to thrive as a mainframe system programmer?

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.

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.

Is a mainframe system programmer a good career?

A mainframe system programmer is a specialized IT professional responsible for maintaining and optimizing mainframe computer systems, often requiring knowledge of languages like COBOL and tools such as z/OS. The role offers stable employment opportunities, competitive salaries, and demand in industries like finance and government, but it may require ongoing training to keep up with evolving technology. Overall, it can be a good career for those interested in enterprise computing and system management.

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Mainframe System Programmer jobs near you
Infographic showing various Mainframe System Programmer job openings in Ohio as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $115,040 per year, or $55.3 per hour.

Mainframe Assembler Developer

2T Consulting

Midland, OH

$44 - $56.50/hr

Full-time

Posted 6 days ago

Job description

We are seeking an experienced Mainframe Assembler Developer with strong expertise in IBM Assembler programming and mainframe environments. The ideal candidate will be responsible for designing, developing, testing, and supporting mainframe applications while ensuring performance, reliability, and adherence to coding standards.

Roles and Responsibilities
  • Design, develop, code, and test application programs using IBM Assembler language.
  • Work through the complete Software Development Life Cycle (SDLC), including analysis, development, testing, and maintenance.
  • Develop and support applications in mainframe environments, including z/OS operating systems.
  • Perform debugging, troubleshooting, and performance tuning of mainframe applications.
  • Analyze and resolve application issues to ensure system stability and efficiency.
  • Create and maintain technical documentation for assembler programs, including design details and usage guidelines.
  • Provide technical support and ensure compliance with development standards and best practices.
  • Collaborate with system architects, analysts, and technical teams to translate business requirements into efficient low-level solutions.
  • Stay current with evolving mainframe technologies and assembler programming practices.
Required Skills
  • 10+ years of experience in Mainframe Assembler development.
  • Strong hands-on experience with IBM Assembler language.
  • Experience working with z/OS mainframe operating systems.
  • Strong knowledge of mainframe application development and debugging.
  • Understanding of SDLC processes and enterprise software development practices.
  • Ability to analyze complex technical issues and provide effective solutions.

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