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Mainframe Developer Jobs in Wisconsin (NOW HIRING)

Java Developer - Brookfield, WI

Brookfield, WI Β· On-site

$48.25 - $62.50/hr

... Mainframes, Linux, Unix, Windows) with diversified technologies and integrating various systems ... Cloud and DevOps β€’ Experience working in distributed environment (Mainframes, Linux, Unix ...

Senior CA-Gen Developer

Madison, WI Β· 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 ...

WI Β· On-site

$46 - $59/hr

The candidate will be adept with the agile software development lifecycle and DevOps principles. Essential Responsibilities: * Responsible for designing, developing, testing, operating and ...

New

Software Engineer 1 (Mainframe, COBOL)

Brookfield, WI Β· On-site

$46.50 - $59.75/hr

The candidate will be adept with the agile software development lifecycle and DevOps principles. Essential Responsibilities: * Responsible for designing, developing, testing, operating and ...

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 ...

... (DevOps) Familiarity and experience with design, setup and management of Dev, QA & Production Environments for high availability distributed applications with very large user base Leadership and ...

Build & CI pipeline management tools - Ability to conceptualize, design and execute a customized end-to-end CI/CD pipeline and workflow solution (DevOps). * Familiarity and experience with design ...

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

$110K - $165K/yr

We are searching for a Lead Mainframe Storage Engineer to join the Z Infrastructure team responsible for providing a highly available Z Compute and Storage platform, resilient against infra failures ...

$110K - $165K/yr

We are searching for a Lead Mainframe Storage Engineer to join the Z Infrastructure team responsible for providing a highly available Z Compute and Storage platform, resilient against infra failures ...

$110K - $165K/yr

We are searching for a Lead Mainframe Storage Engineer to join the Z Infrastructure team responsible for providing a highly available Z Compute and Storage platform, resilient against infra failures ...

Showing results 41-60

Mainframe Developer information

See Wisconsin salary details

$10

$53

$73

How much do mainframe developer jobs pay per hour?

As of Sep 12, 2026, the average hourly pay for mainframe developer 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 developer?

Mainframe Developers are specialized software engineers who design, develop, maintain, and troubleshoot applications on mainframe computer systems, such as IBM's z/OS. They typically work with languages like COBOL, JCL, and CICS, and are responsible for ensuring the performance, security, and reliability of mission-critical business applications. Mainframe Developers are commonly employed in industries like banking, insurance, and government, where large-scale, high-volume transaction processing is essential.

What are the key skills and qualifications needed to thrive as a mainframe developer?

To thrive as a Mainframe Developer, you need expertise in programming languages such as COBOL, JCL, and SQL, along with a strong understanding of mainframe operating systems and batch processing concepts. Familiarity with tools like IBM z/OS, DB2, CICS, and version control systems is typically required, and certifications from IBM or related organizations can be beneficial. Strong problem-solving abilities, attention to detail, and effective communication skills help Mainframe Developers excel in troubleshooting and collaborating with cross-functional teams. These skills are crucial for maintaining, optimizing, and modernizing legacy systems that are vital to many large organizations’ operations.

What are some common challenges mainframe developers face when integrating legacy systems with modern applications?

Mainframe Developers often encounter challenges such as ensuring compatibility between legacy systems and newer technologies, managing data migration without disrupting business operations, and maintaining the security of sensitive data. Effective communication with cross-functional teams, such as application developers and infrastructure engineers, is essential to address these challenges. Staying updated on both mainframe and modern programming practices helps ease integration and ensures long-term system reliability.

What is the difference between Mainframe Developer vs Mainframe Analyst?

AspectMainframe DeveloperMainframe Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing and maintaining existing mainframe systems
Skills & CertificationsCOBOL, JCL, DB2, certifications like IBM Certified DeveloperCOBOL, JCL, system analysis, troubleshooting skills
Work EnvironmentDevelopment teams, coding in mainframe environmentsSupport teams, system analysis, user support
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While Mainframe Developers focus on creating and implementing mainframe applications, Mainframe Analysts primarily analyze, troubleshoot, and maintain existing systems. Both roles require similar technical skills and often work within the same industries, but their core responsibilities differ in development versus support and analysis.

Is a mainframe developer a good career?

A mainframe 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 technologies like COBOL and JCL, but it may require ongoing learning of evolving mainframe tools and certifications. Overall, it can be a good career for those interested in enterprise computing and system stability.

Is a mainframe developer hard to learn?

Mainframe developers typically need to learn specialized programming languages like COBOL and understand mainframe environments, which can have a steep learning curve for beginners. However, with prior programming experience and training, acquiring the necessary skills is achievable, and many employers offer on-the-job training or certification programs.

Is mainframe developer still in demand?

Mainframe developers are still in demand in industries such as finance, insurance, and government, where legacy systems remain critical. They typically work with COBOL, JCL, and mainframe environments, and demand depends on the organization's reliance on mainframe technology and ongoing maintenance needs.

What are the most commonly searched types of Mainframe Developer jobs in Wisconsin?

The most popular types of Mainframe Developer jobs in Wisconsin are:

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

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

What cities in Wisconsin are hiring for Mainframe Developer jobs?

Cities in Wisconsin with the most Mainframe Developer job openings:

Infographic showing various Mainframe Developer job openings in Wisconsin as of September 2026, with employment types broken down into 43% Full Time, and 57% Contract. Highlights an 100% In-person job distribution, with an average salary of $112,065 per year, or $53.9 per hour.

Java Developer - Brookfield, WI

Brookfield, WI β€’ On-site

Georgia IT, Inc.
IT ServicesΒ β€’Β 51 - 200 employees

$48.25 - $62.50/hr

Full-time

Posted 15 days ago


Job description

Job Summary:
Georgia IT, Inc. is seeking a Java Developer to work in Brookfield, WI. The role involves utilizing Java/J2EE technologies, web services, and middleware technologies, while working in a distributed environment and collaborating in an Agile Scrum setting.
Responsibilities:
β€’ Java/J2EE technologies experience, Web Services, middleware technologies.
β€’ Soap Restful, Web Services, Springboot, MicroServices, Multi-threading, Block Chain, Cloud and Deveops.
β€’ Experience working in distributed environment (Mainframes, Linux, Unix, Windows) with diversified technologies and integrating various systems.
β€’ Experience in working with database and SQL queries.
β€’ In depth understanding of design patterns and secure coding principles.
β€’ Excellent communication Experience in Agile Scrum environment.
β€’ Skills with Configuration management tools
Qualifications:
Required:
β€’ Java/J2EE technologies experience
β€’ Web Services
β€’ middleware technologies
β€’ Soap Restful
β€’ Web Services
β€’ Springboot
β€’ MicroServices
β€’ Multi-threading
β€’ Block Chain
β€’ Cloud and DevOps
β€’ Experience working in distributed environment (Mainframes, Linux, Unix, Windows)
β€’ Experience in working with database and SQL queries
β€’ In depth understanding of design patterns and secure coding principles
β€’ Excellent communication
β€’ Experience in Agile Scrum environment
β€’ Skills with Configuration management tools
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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