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Mainframe Developer Jobs in Wisconsin (NOW HIRING)

Urpantech inc

RPG Developer (As400)

Neenah, WI · On-site

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

Saxon Global

Sr Software Engineer / Lead

Madison, WI

Position: Sr Full Stack Developer/ Lead (.Net Core, Mainframe (cobol) & Azure) Location - Madison WI Duration - 9+ months Job Responsibilities: • 10+ years of experience in C#, .NET Core / .NET ...

krg technology inc

RPG Developer(AS 400)

Neenah, WI · On-site

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

Sonsoft Inc

Mainframe Architect

Milwaukee, WI · On-site

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 ...

Sonsoft Inc

Mainframe Architect

Milwaukee, WI · On-site

... (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 ...

US Bank

z/OS Systems Engineer

Brookfield, WI · On-site

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 ...

MARS Solutions Group

Systems Engineer - Senior

Franklin, WI · On-site

$97K - $132K/yr

Conduct Distributed, Cloud, and Mainframe platform DR tests * Disaster Recovery gap identification ... Bachelors in Computer Science / Computer Engineering * 5+ years of professional experience required

Wipro Limited

Java Lead

Franklin, WI · On-site

$60K - $135K/yr

Leveraging our holistic portfolio of capabilities in consulting, design, engineering, and ... Mainframe skills * Working experience with most Mainframe technologies including Cobol, DB2, CICS ...

TIER4 GROUP

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 ...

US Bank

Software Engineer 2 - DevOps

Brookfield, WI · On-site +1

$98K - $115K/yr

Lead DevOps Community of Excellence sessions. * Perform code reviews. * Review and approve intake ... Experience with mainframe development and SDLC, including a solid understanding of batch, online ...

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Mainframe Developer information

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$10

$53

$73

How much do mainframe developer jobs pay per hour?

As of Jun 21, 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 the salary of a mainframe developer?

The salary of a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security may earn higher compensation.

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 mainframe hard to learn?

Mainframe development can be challenging for beginners due to its specialized programming languages like COBOL and its unique environment. However, with dedicated training and practice, many developers can acquire the necessary skills to work effectively on mainframe systems.

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.

Is mainframe still in demand?

Mainframe developers are still in demand due to the continued reliance of many large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe security are valuable, and demand persists in industries like finance, insurance, and government. However, the overall number of roles is smaller compared to other modern development environments.

What are Mainframe Developers?

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, and why are they important?

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.

Can mainframe be replaced by AI?

Mainframe developers work with large-scale, legacy systems that require specialized knowledge of mainframe environments, programming languages, and security protocols. While AI can automate certain tasks like code analysis and testing, it is unlikely to fully replace mainframe developers due to the complexity and critical nature of mainframe systems. Instead, AI tools are used to augment their work and improve efficiency.
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 are popular job titles related to Mainframe Developer jobs in Wisconsin? For Mainframe Developer jobs in Wisconsin, the most frequently searched job titles 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:
What are popular job titles related to Mainframe Developer jobs in WI? For Mainframe Developer jobs in WI, the most frequently searched job titles are:
Mainframe Developer jobs near you
Infographic showing various Mainframe Developer job openings in Wisconsin as of June 2026, with employment types broken down into 79% Full Time, and 21% Contract. Highlights an 86% In-person, 7% Hybrid, and 7% Remote job distribution, with an average salary of $112,065 per year, or $53.9 per hour.
RPG Developer (As400)

RPG Developer (As400)

Urpantech inc

Neenah, WI • On-site

Contractor

Posted 16 days ago

Job description

Company Description
Job Description
Job Purpose /Summary
The Programmer/Analyst is responsible for developing and maintaining application systems and for identifying methods of improving computer systems capabilities, increasing operating efficiency programs or adapting current programs to new requirements.
In addition to the main job purpose, there are many other roles performed by the individual.
Essential Duties & Accountabilities
To perform this job successfully, an individual must be able to perform each essential duty satisfactorily.
• Manage projects
• Develop system specifications
• Develop system documentation
• Develop test scenarios
• System implementation
• System training and education
• Analyze problems, programs, processes, procedures and performance of programs and systems
• Create or maintain programs and databases
• Program and system testing
• Integration or interface Development
• Collaborate with other members of the department
Major System Support:
• Friedman ERP
• Varsity transportation
• TL Ashford
• Gentran EDI
• Databases - DB2, SQL
• Programming Languages - RPG ILE, CL, SQL
Knowledge / Skills / Ability
Education and/or Experience
Associate or Bachelor's degree in Computer Programming
10 years of broad based experience in analysis, design, coding, testing and implementation
Qualifications
• Must have knowledge of micro/mini/mainframe computer operating systems; hardware and software installation, testing and operation; principles of data communications and telecommunications; local area network concepts and fundamentals;
• Ability to respond in a flexible manner and to reprioritize work as situations change
• Ability to effectively communicate both in writing and verbally, with people of various educational and technical backgrounds

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