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Mainframe Tester Jobs in Ohio (NOW HIRING)

Mainframe Assembler Developer

New Vienna, OH · On-site

$44.25 - $56.75/hr

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 ...

Mainframe Assembler Developer

Midland, OH · On-site

$44.50 - $57.25/hr

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 ...

Mainframe Assembler Developer

Waynesville, OH · On-site

$43.75 - $56.25/hr

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 ...

Mainframe Assembler Developer

Clarksville, OH · On-site

$43.25 - $55.50/hr

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 ...

Mainframe Assembler Developer

Highland, OH · On-site

$45.50 - $58.50/hr

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 ...

Mainframe Assembler Developer

New Vienna, OH · On-site

$44.25 - $56.75/hr

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 ...

Mainframe Assembler Developer

Reesville, OH · On-site

$44.50 - $57/hr

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 ...

Mainframe Assembler Developer

Reesville, OH · On-site

$44.50 - $57/hr

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 ...

Mainframe Assembler Developer

Waynesville, OH · On-site

$43.75 - $56.25/hr

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 ...

Mainframe Assembler Developer

Midland, OH · On-site

$44.50 - $57.25/hr

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 ...

Mainframe Assembler Developer

Clarksville, OH · On-site

$43.25 - $55.50/hr

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 ...

Mainframe Assembler Developer

Bowersville, OH · On-site

$44 - $56.75/hr

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 ...

Mainframe Assembler Developer

Bowersville, OH · On-site

$44 - $56.75/hr

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 ...

Mainframe Assembler Developer

Highland, OH · On-site

$45.50 - $58.50/hr

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 ...

Mainframe Lead

Columbus, OH · On-site

$47.25 - $60.75/hr

8 to 10 Yrs of experience in the Mainframe & Java Modernisation space. The Candidate has experience ... Testing, Debugging Object oriented principles and best practices Ability to work independently

Mainframe Lead

Columbus, OH · On-site

$47.25 - $60.75/hr

8 to 10 Yrs of experience in the Mainframe & Java Modernisation space. The Candidate has experience ... Testing, Debugging Object oriented principles and best practices Ability to work independently

Mainframe Engineer

Dublin, OH · On-site

$50 - $60/hr

Support system testing, user acceptance testing (UAT), and deployment activities * Document ... Experience with mainframe debugging and testing tools * Solid understanding of batch and online ...

Mainframe Developer - Onsite

Columbus, OH · On-site

$47.25 - $60.75/hr

Job Title: Mainframe Developer Work Location: Columbus, OH Duration: Longterm * 8 to 10 Yrs of ... Testing, Debugging Object oriented principles and best practices Ability to work independently

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Mainframe Tester information

See Ohio salary details

$18

$41

$66

How much do mainframe tester jobs pay per hour?

As of Aug 30, 2026, the average hourly pay for mainframe tester in Ohio is $41.36, according to ZipRecruiter salary data. Most workers in this role earn between $31.78 and $49.81 per hour, depending on experience, location, and employer.

What is a mainframe tester?

A Mainframe Tester is responsible for testing applications running on mainframe systems to ensure their functionality, reliability, and security. They create and execute test cases, validate data processing, and identify defects in mainframe applications. They work with technologies like COBOL, JCL, DB2, and CICS to test batch and online processes. Their role is critical in industries like banking, insurance, and healthcare, where mainframes handle large-scale transaction processing. The tester collaborates with developers and business analysts to ensure the applications meet business requirements.

What are the typical responsibilities and daily tasks of a mainframe tester?

Mainframe Testers are primarily responsible for designing, developing, and executing test cases on mainframe applications to ensure their accuracy and performance. On a daily basis, you might review requirements, create test data, identify defects, and work closely with developers to resolve coding issues. The role often involves collaborating with business analysts and system architects to understand the application's functionality and ensure compliance with business and technical standards. Mainframe Testers frequently use specialized testing tools and may participate in both manual and automated testing cycles. This collaborative and detail-oriented environment helps ensure high-quality and reliable mainframe systems for the organization.

What are the key skills and qualifications needed to thrive in the mainframe tester position, and why are they important?

A Mainframe Tester needs strong analytical abilities, proficiency in mainframe environments (such as IBM z/OS), and knowledge of programming languages like COBOL, JCL, and SQL, often supported by a degree in computer science or a related field. Experience with test automation tools (e.g., IBM Rational, CA tools), debugging utilities, and relevant certifications like ISTQB can be highly beneficial. Excellent problem-solving skills, attention to detail, teamwork, and effective communication help testers excel in cross-functional teams. These skills and qualities are crucial for ensuring reliability, compliance, and performance of mission-critical mainframe systems in large organizations.

What are popular job titles related to Mainframe Tester jobs in Ohio?

For Mainframe Tester jobs in Ohio, the most frequently searched job titles are:

What job categories do people searching Mainframe Tester jobs in Ohio look for?

The top searched job categories for Mainframe Tester jobs in Ohio are:

Infographic showing various Mainframe Tester job openings in Ohio as of August 2026, with employment types broken down into 80% Full Time, 14% Part Time, and 6% Contract. Highlights an 57% Physical, 2% Hybrid, and 41% Remote job distribution, with an average salary of $86,029 per year, or $41.4 per hour.

Mainframe Tester-Columbus OH

Columbus, OH • On-site

Georgia IT, Inc.
IT Services • 51 - 200 employees

Full-time

Re-posted 9 days ago


Job description

Job Summary:
Georgia IT, Inc. is seeking a Mainframe Tester to join their team in Columbus, OH. The role involves developing, executing, and maintaining test scenarios and cases, as well as leading QA testers in test execution and documentation.
Responsibilities:
• Develop, execute and maintain Test scenarios and Test cases.
• Experience leading a QA testers in test execution and documentation.
• Strong Mainframe testing experience with DB2,JCL, Batch job processing.
• Experience in clear documentation of test results and presentation back to team.
• Experience driving automation for repeated pattern testing for mainframe online screens and batch files - Nice to have.
• Knowledge in defect tracking tools - preferably, ALM.
• Strong communication skills including ability to effectively interact with Business and Third-Party Vendors.
• Ability to learn quickly and become proficient in complex applications.
• Able to work in a fast-paced environment.
Qualifications:
Required:
• 7-9+ years of Testing experience with a minimum of 3 years of Finance experience.
• Develop, execute and maintain Test scenarios and Test cases.
• Knowledge of IBM Mainframe Systems - TSO, JHS, CICS
• Experience in documenting and reviewing technical scripts specific to mainframe CICS.
• Experience leading a QA testers in test execution and documentation.
• Strong Mainframe testing experience with DB2, JCL, Batch job processing.
• Experience in clear documentation of test results and presentation back to team.
• Strong communication skills including ability to effectively interact with Business and Third-Party Vendors.
• Ability to learn quickly and become proficient in complex applications.
• Able to work in a fast-paced environment.
Preferred:
• Experience driving automation for repeated pattern testing for mainframe online screens and batch files - Nice to have
• US Citizens and Green cards are Preferred.
• Knowledge in defect tracking tools - preferably, ALM.
Company:
Georgia IT, Inc. provides IT Consulting for a wide range of IT services and custom build turn-key enterprise solutions. Founded in 2007, the company is headquartered in Alpharetta, USA, with a team of 51-200 employees. The company is currently Growth Stage.

Georgia IT logo

About Georgia IT

Sourced by ZipRecruiter

A PROFESSIONAL SERVICES ORGANIZATION WITH A VISION OF DELIVERING SIMPLE AFFORDABLE, SUSTAINABLE SOLUTIONS FOR COMPLEX PROBLEMS WITH INTEGRITY. OUR GOAL IS TO ACHIEVE ALL THIS IN A COLLABRATIVE APPROACH WITH ALL PARTIES INVOLVED IN DELIVERING SOLUTIONS/PRODUCTS.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

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