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Mainframes Developer Jobs in Ohio (NOW HIRING)

2T Consulting

Mainframe Assembler Developer

Reesville, OH · On-site

$44.50 - $57/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Clarksville, OH · On-site

$43.25 - $55.50/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Sabina, OH · On-site

$47.25 - $60.75/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Port William, OH · On-site

$43.50 - $56/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Midland, OH · On-site

$44 - $56.50/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Wilmington, OH · On-site

$43.75 - $56.25/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Highland, OH

$45.50 - $58.50/hr

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 ...

2T Consulting

Mainframe Assembler Developer

Midland, OH

$44.50 - $57.25/hr

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 ...

USM

Mainframe Developer-----Need GC and USC

Columbus, OH · On-site

$47.25 - $60.75/hr

Mainframe Developer Duration - 18 months Location - Columbus, OH Need GC and USC Top Three Skills: Mainframe, Cobol, IDMS, Agile, Scrum The ideal candidate should have experience with CICS, JCL, ESP ...

Long Finch Technologies

Mainframe IMS DB Developer

Cuba, OH · On-site

$44 - $56.50/hr

Programming Languages: Strong proficiency in COBOL * Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC

Long Finch Technologies

Mainframe IMS DB Developer

Sabina, OH · On-site

$47.25 - $60.75/hr

Programming Languages: Strong proficiency in COBOL * Mainframe Operating Systems: In-depth knowledge of z/OS * Database Technologies: Expertise in IMS database concepts including IMS/DB and IMS/DC

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Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Ohio?

For Mainframes Developer jobs in Ohio, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Ohio look for?

The top searched job categories for Mainframes Developer jobs in Ohio are:

What cities in Ohio are hiring for Mainframes Developer jobs?

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Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Ohio as of August 2026, with employment types broken down into 85% Full Time, 2% Part Time, and 13% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Mainframe Assembler Developer

2T Consulting

Reesville, OH • On-site

$44.50 - $57/hr

Full-time

This job post has expired 1 day ago. Applications are no longer accepted.

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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