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Mainframe Testing Jobs in Wisconsin (NOW HIRING)

Sonsoft Inc

Mainframe Consultant

Franklin, WI

... Testing methods and tools, Knowledge of Build, Knowledge of Maintenance and Support methods At ... At least 4 years of experience with Mainframe techonologies Additional Information ** U.S. citizens ...

Sonsoft Inc

Mainframe PL/1 Consultant

Milwaukee, WI

... Testing methods and tools, Knowledge of Build, Knowledge of Maintenance and Support methods At ... At least 4 years of experience with Mainframe techonologies Additional Information ** U.S. citizens ...

Sonsoft Inc

Mainframe PL/1 Consultant

Milwaukee, WI

... Testing methods and tools, Knowledge of Build, Knowledge of Maintenance and Support methods At ... At least 4 years of experience with Mainframe techonologies Additional Information ** U.S. citizens ...

UnitedHealth Group

Software Engineer - Mainframe

Wausau, WI · On-site

$72.80K - $130K/yr

... a Mainframe environment. Resource must have strong analytical skills and strong communication ... Design patterns, algorithms, data structures, schemas and queries, system design, unit testing ...

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$10

$53

$73

How much do mainframe testing jobs pay per hour?

As of May 30, 2026, the average hourly pay for mainframe testing in Wisconsin is $53.88, according to ZipRecruiter salary data. Most workers in this role earn between $47.55 and $61.15 per hour, depending on experience, location, and employer.

What is a Mainframe Testing job?

A Mainframe Testing job involves validating and verifying applications running on mainframe systems to ensure they function correctly, efficiently, and securely. Testers perform various types of testing, including functional, integration, regression, and performance testing, using tools like JCL, COBOL, DB2, and CICS. They analyze test results, identify defects, and collaborate with developers to resolve issues. Mainframe testers need knowledge of batch processing, databases, and system interactions to ensure seamless operations. The role is critical in industries like banking, insurance, and healthcare, where mainframes handle high-volume transactions.

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

To thrive in Mainframe Testing, you need strong analytical abilities, a solid understanding of mainframe environments and programming languages like COBOL, JCL, and experience with testing methodologies. Familiarity with tools such as IBM Mainframe, CA7/Endevor, and mainframe testing frameworks, as well as ISTQB certification, is highly valuable. Attention to detail, strong problem-solving skills, and effective communication are essential soft skills in this role. These competencies help ensure that complex mainframe systems are thoroughly tested, reliable, and meet business requirements.

What are some common challenges faced by professionals working in Mainframe Testing?

Professionals in Mainframe Testing often encounter challenges such as understanding legacy code, dealing with limited documentation, and adapting to the evolving integration of mainframe and modern systems. Testers must also effectively validate large volumes of data, ensure compatibility across interconnected applications, and manage tight release deadlines. Collaborating closely with developers, business analysts, and operations teams is essential for clarifying requirements and troubleshooting issues. Successfully overcoming these challenges requires persistence, a willingness to learn, and strong teamwork skills.

What is a mainframe tester?

A mainframe tester is a professional who tests mainframe computer systems and applications to ensure they function correctly, securely, and efficiently. They typically use testing tools and scripting languages, and may work with legacy systems, requiring knowledge of mainframe environments like COBOL, JCL, and DB2.
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What cities in Wisconsin are hiring for Mainframe Testing jobs? Cities in Wisconsin with the most Mainframe Testing job openings:
Mainframe Testing jobs near you
Infographic showing various Mainframe Testing job openings in Wisconsin as of May 2026, with employment types broken down into 100% Full Time. Highlights an 90% Physical, and 10% Remote job distribution, with an average salary of $112,065 per year, or $53.9 per hour.
IBM Sterling OMS

IBM Sterling OMS

Two95 International Inc.

Menomonee Falls, WI

Contractor

Posted 28 days ago

Job description

Title: IBM Sterling OMS

Job type: Full time

Job location: Menomonee Falls, WI

Requirements:

1. Strong experience in Retail Supply chain management systems

2. Hands on experience with Sterling OMS/GIV

3. Hands on experience in Test automation using APIs & Selenium

4. Strong experience in writing SQL queries

5. Strong experience in Unix environment

6. Experience in Web services testing (SoapUI, Rest based APIs)

7. Experience in Mainframe testing and API testing

8. Experience in Middle ware testing like TIBCO, Bizlink, etc

9. Working experience in tools like HP ALM, Rally, Jmeter, Jenkins

10. Strong knowledge and experience with software development processes, test methodologies, QA process, and software release cycle

11. Create and establish QA processes in line with the Agile software development methodology and Iterative model

12. Control and manage daily test activities through daily Agile Scrum 'stand-up' meetings

13. Working in Onsite/Offshore models

TWO95 International logo

About TWO95 International

Sourced by ZipRecruiter

At TWO95 International, we believe it is imperative that a hiring company is assured of procuring the right candidate to fill a job requirement. We have an extensive local and International network, and a fully digitalized sourcing approach that allows us to find a candidate best suited for the job. Furthermore, we strive to secure well matched opportunities that align with the personal and career aspirations of our candidates.

Industry

Recruiting and staffing services

Company size

11 - 50 Employees

Headquarters location

Cherry Hill, NJ, US

Year founded

2009

Social media

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