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Mainframes Developer Jobs in Wisconsin (NOW HIRING)

Senior CA-Gen Developer

Madison, WI · On-site

$55 - $72.50/hr

... a mainframe DB2 client-server environment * Ability to independently perform a variety of ... analysis and programming tasks with a wide degree of creativity and latitude * Senior-level ...

Job Purpose /Summary The Programmer/Analyst is responsible for developing and maintaining ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

Company Description Job Purpose /Summary The Programmer/Analyst is responsible for developing and ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

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 ...

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 ...

WI · On-site

$180 - $230/hr

Manages and oversees all design, development, and maintenance of mainframe and distributed ... Bachelor degree in Computer Science, Engineering, Information Technology, Information Systems, or a ...

WI · On-site

$231K/yr

Manages and oversees all design, development, and maintenance of mainframe and distributed ... Bachelor degree in Computer Science, Engineering, Information Technology, Information Systems, or a ...

WI · On-site

Fidelity is seeking a Director of Software Engineering to lead the design, development, and maintenance of mainframe, batch, and cloud-native applications in AWS and Azure, using Java and Spring Boot.

Bank is seeking a z/OS Systems Programmer that has extensive experience in mainframe technologies with an emphasis on installation/upgrading, tuning, and troubleshooting of z/OS and third-party ...

Software Integration Engineer

Franklin, WI · Hybrid

$96K - $130K/yr

Proficiency in IBM MQ (Linux, MQ Appliance, Mainframe MQ preferred). * Strong skills in Python, Java, Shell Scripting, and Git. * Experience in reverse engineering and system analysis. * Familiarity ...

Showing results 21-40

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

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

What cities in Wisconsin are hiring for Mainframes Developer jobs?

Cities in Wisconsin with the most Mainframes Developer job openings:

Infographic showing various Mainframes Developer job openings in Wisconsin as of August 2026, with employment types broken down into 80% Full Time, and 20% Contract. Highlights an 90% In-person, and 10% Remote job distribution.

Senior CA-Gen Developer

Kanak Elite Services Inc

Madison, WI • On-site

$55 - $72.50/hr

Contractor

Re-posted 4 days ago


Job description

Senior CA-Gen Developer

Onsite in Madison, WI

12+ month

Video Interview

Need local to Wisconsin candidate only with Wisconsin project.

Top Skills & Years of Experience

  • 8+ years of experience with CA-Gen development analysis and design in a mainframe DB2 client-server environment
  • Ability to independently perform a variety of complicated IT analysis and programming tasks with a wide degree of creativity and latitude
  • Senior-level experience managing multiple large, complex software development efforts with greater impact to the enterprise