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Mainframe Tester Jobs in Milwaukee, WI (NOW HIRING)

Cobol / Mainframe Developer

Milwaukee, WI · On-site

$48.25 - $62/hr

They are seeking a Cobol / Mainframe Developer to work within Card Management Systems, focusing on ... • Strong unit testing skills. • Flexibility to be on on-call support, as required. • ...

They are seeking a Mainframe PL/1 Consultant with extensive experience in mainframe technologies ... Testing methods and tools, Knowledge of Build, Knowledge of Maintenance and Support methods • At ...

Mainframe Engineer-Franklin, WI

Franklin, WI · On-site

$45.50 - $58.50/hr

The role involves designing, developing, and testing program units while ensuring adherence to SDLC standards and applying mainframe engineering best practices. Responsibilities : • Design, develop ...

... 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 ...

... 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 ...

... 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 ...

Mainframe CICS Systems Engineer

Wauwatosa, WI · On-site

$47.50 - $61.25/hr

... testing, application releases, and ongoing monitoring and support for over 3,000 production ... The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering ...

Jenkins * 2 yrs of SDET knowledge in PL1 (Mainframe) * 2 yrs of Insurance knowledge * Framework Design and Enhancement * Experience with Insurance domain * Ability to work in team environment and ...

Participate in Disaster Recovery (DR) planning, testing, and recovery exercises to ensure business continuity and platform resiliency. * Manage and support mainframe hardware, coupling facilities ...

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Mainframe Tester information

See Milwaukee, WI salary details

$18

$42

$68

How much do mainframe tester jobs pay per hour?

As of Sep 7, 2026, the average hourly pay for mainframe tester in Milwaukee, WI is $42.86, according to ZipRecruiter salary data. Most workers in this role earn between $32.93 and $51.63 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 job categories do people searching Mainframe Tester jobs in Milwaukee, WI look for?

The top searched job categories for Mainframe Tester jobs in Milwaukee, WI are:

Infographic showing various Mainframe Tester job openings in Milwaukee, WI as of August 2026, with employment types broken down into 75% Full Time, 18% Part Time, and 7% Contract. Highlights an 65% Physical, 2% Hybrid, and 33% Remote job distribution, with an average salary of $89,155 per year, or $42.9 per hour.

Full-time

Posted 29 days ago


Job description

Mainframe Programmer - Brookfield, WI (Hybrid: 3 Onsite, 2 Remote)
About the Role
Join a dynamic, agile team as a Mainframe Programmer, where you'll drive innovative development and maintenance of cutting-edge Product and Rewards applications. Play a key part in launching new Rewards job streams to support the evolving Credit Product Development Journey. This opportunity offers a hybrid work model, professional growth, and the chance to make a direct business impact.
Responsibilities
- Collaborate in an agile team to design, develop, and maintain Product and Rewards applications
- Participate actively in agile ceremonies and team meetings
- Stand up new Rewards job streams for future business needs
- Write, test, and integrate mainframe code for complex business processes
- Conduct unit testing, integration testing, and support user acceptance testing
- Maintain and enhance existing applications to meet evolving requirements
- Use JCL, Job Streams, and CA-7 for workflow management and automation
Required Skills and Experience
- 5+ years of hands-on experience in mainframe environments
- Expertise in Mainframe COBOL, DB2, and JCL
- Strong knowledge of job scheduling and automation (CA-7)
- Proven ability to deliver across the full software development lifecycle
- Authorized to work in the U.S. without sponsorship
Preferred Skills
- Experience supporting credit or rewards-based business applications
- Familiarity with agile development methodologies
Benefits
- Flexible hybrid work schedule (3 days onsite in Brookfield, WI or other hubs, 2 days remote)
- Exposure to high-impact, enterprise-level projects
- Opportunities for career growth within a collaborative environment
- Comprehensive background check and drug screening for a secure, professional workplace
How to Apply
Ready to advance your mainframe career? Submit your resume today to join an exclusive opportunity with Apex and help shape the future of credit products and rewards applications.
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About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US