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Mainframe Systems Programmer Jobs in Wisconsin (NOW HIRING)

Urpantech inc

RPG Developer (As400)

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 ...

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 ...

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 ...

Rice Lake

Technical Sales Engineer

Rice Lake, WI · On-site

For 80 years Rice Lake Weighing Systems has been a successful, growth-oriented company known as a ... Good M2K mainframe and personal computer skills including Windows, Word and Excel skills. * Good ...

Atria Group LLC

Guideware Consultant

Madison, WI

... and programming, software engineering, systems development, testing, integration, and ... Excellent skills in Data Bases (GreenPlum, Oracle, DB2 Mainframe) (worked at least 2 to 3 years in ...

US Bank

Senior Software Engineer (Hogan API)

Brookfield, WI · On-site

$116K - $152K/yr

S. Bank's Customer Information System (CIS) as well as the Hogan Online Delivery System (ODS ... Hands on Mainframe development experience with Hogan COBOL, JCL, CICS, Json and Splunk, IMS ...

Novalink Solutions LLC

IT Project Manager

Madison, WI · On-site

$78 - $85/mo

... Systems Windows 10 Advanced Required Utilization Mainframe Management SME Preferred Upgrading and installation and management of OS Programming Language/Development Tools/Required Skills Program ...

UnitedHealth Group

Senior Software Engineer

Wausau, WI · Remote

$91K - $163K/yr

Design patterns, algorithms, data structures, schemas and queries, system design, unit testing ... Required Qualifications: * 5 years of experience in Mainframe technologies (FSE) * 5 years of ...

UnitedHealth Group

Senior Software Engineer

Wausau, WI · On-site

$91K - $163K/yr

Design patterns, algorithms, data structures, schemas and queries, system design, unit testing ... Required Qualifications: * 5+ years of experience in Mainframe technologies (FSE) * 5+ years of ...

MIT RESOURCE

Sr. Java Developer

Madison, WI · On-site

$57.75 - $73.50/hr

... systems. The successful candidate must be capable of working very independently and, at times ... mainframe, midrange, Web and PC computing environments desirable; in-depth experience in one or ...

Brunswick

Production Planner

Fond Du Lac, WI

$62K - $90K/yr

Interplant, purchasing, vendor and engineering. * Communicate, coordinate, and resolve problems ... mainframe/ERP systems desirable. * Strong understanding of Inventory Control Techniques.

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All JobsMainframe Systems Programmer JobsMainframe Systems Programmer Jobs in Wisconsin

Mainframe Systems Programmer information

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$58

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How much do mainframe systems programmer jobs pay per hour?

As of Jul 13, 2026, the average hourly pay for mainframe systems programmer in Wisconsin is $58.72, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $67.93 per hour, depending on experience, location, and employer.

Are mainframe jobs in demand?

Mainframe systems programmers are in steady demand due to the continued reliance of large organizations on mainframe infrastructure for critical applications. Skills in COBOL, JCL, and mainframe security are highly valued, and many companies seek experienced professionals to maintain and upgrade legacy systems. The demand remains stable, especially in finance, government, and healthcare sectors that depend on mainframe technology.

What does a mainframe systems programmer do?

A mainframe systems programmer is responsible for installing, maintaining, and troubleshooting mainframe operating systems and software. They configure hardware, optimize system performance, and ensure security and reliability, often using tools like z/OS and JCL. Strong knowledge of system architecture and scripting is essential for this role.

Can mainframe be replaced by AI?

Mainframe systems programmers manage and maintain large-scale mainframe environments that run critical enterprise applications. While AI can automate certain tasks like monitoring and troubleshooting, it is unlikely to fully replace the specialized skills required for mainframe system programming, which involves complex configuration, security, and performance tuning. Mainframes remain essential in industries with high-volume transaction processing, and programmers need expertise in languages like COBOL and tools such as z/OS.

What Does a Mainframe Systems Programmer Do?

As a mainframe systems programmer, your responsibilities are to maintain an organization’s server computer, also called a mainframe computer. Your duties include handling server configuration, as well as installing, upgrading, and customizing the operating system and other software necessary for running the server and its databases. You also work with other IT professionals with the planning of security measures to protect the mainframe and routinely perform tests for bugs and other security issues.

What are some common challenges Mainframe Systems Programmers face when maintaining legacy systems?

Mainframe Systems Programmers often encounter challenges related to supporting and upgrading legacy systems that may have limited documentation or use outdated programming languages. Navigating compatibility issues with newer hardware or software can require creative problem-solving and deep technical expertise. Additionally, ensuring system security and reliability while performing upgrades or patches involves careful planning and collaboration with other IT and business teams. Staying current with evolving mainframe technologies and practices is essential for long-term success in the role.

What is the difference between Mainframe Systems Programmer vs Mainframe Application Developer?

AspectMainframe Systems ProgrammerMainframe Application Developer
CredentialsTypically requires certifications like IBM Certified Systems ProgrammerOften requires programming certifications or specific language expertise
Work EnvironmentWorks primarily on system-level tasks, OS, and hardware interactionsFocuses on developing and maintaining applications on mainframe platforms
Employer & Industry UsageCommon in large enterprises with mainframe infrastructureAlso in large organizations, but more application-focused
Job FocusSystem configuration, performance tuning, and maintenanceApplication coding, testing, and deployment

The Mainframe Systems Programmer primarily manages system-level tasks, ensuring the mainframe environment runs efficiently, while the Mainframe Application Developer focuses on creating and maintaining applications. Both roles are essential in mainframe environments but differ in their technical focus and responsibilities.

What are Mainframe Systems Programmers?

Mainframe Systems Programmers are IT professionals responsible for installing, configuring, maintaining, and troubleshooting mainframe computer systems and software. They ensure that the mainframe environment runs efficiently, securely, and reliably, supporting critical business operations. Their duties often include system upgrades, performance tuning, applying patches, and collaborating with other IT teams to resolve complex technical issues. Mainframe Systems Programmers play a key role in organizations that rely on large-scale transaction processing, such as banks, insurance companies, and government agencies.

What is the salary of a mainframe developer?

The salary of a mainframe systems programmer 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 salaries. Compensation often includes benefits such as health insurance and retirement plans.

What are the key skills and qualifications needed to thrive as a Mainframe Systems Programmer, and why are they important?

To thrive as a Mainframe Systems Programmer, you need expertise in system programming, operating systems like z/OS, and strong problem-solving abilities, usually supported by a degree in computer science or related field. Familiarity with mainframe tools such as IBM z/OS utilities, JCL, REXX, and experience with system monitoring and performance tuning software are commonly required. Attention to detail, analytical thinking, and effective communication skills help ensure smooth collaboration and troubleshooting. These skills are essential to maintain, optimize, and secure critical enterprise computing environments that rely on mainframe infrastructure.
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Mainframe Systems Programmer jobs near you
Infographic showing various Mainframe Systems Programmer job openings in Wisconsin as of July 2026, with employment types broken down into 5% Locum Tenens, 80% Full Time, 5% Part Time, 1% Temporary, 7% Contract, and 2% Summer. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $122,138 per year, or $58.7 per hour.
Application Architect II

Application Architect II

Information Resource group, Inc.

Madison, WI • On-site

Other

Posted 2 days ago

Job description

IRG is looking for an Application Architect
Duration 12+ Months
We are looking for an optimistic, results-oriented, and adaptable application tech lead with the desire to help our clients and one another succeed. This position primarily serves as an application lead developer, and mentor to members of our Work Programs modernization project. This project is focused on modernization of complex multi-agency mainframe systems into a user friendly and state of the art web based system. This is a multi-phase project with the current focus on phase 2 of the project.
Experience working on agile projects is essential. Strong hands on technical skills and experience with the following is mandatory: ASP.NET Core written in C#, Web API, Angular, bootstrap, TFS, DB2, SQL Server, and other state of the art tools and libraries.
The Application Architect (AA) works closely with the project manager to provide strategic technical direction and mentoring of the development team to make this new system a reality. An ideal candidate for this position prioritizes his/her work to provide technical leadership and at the same time, write code, and collaborate with the project manager. Experience deploying systems in a large organizations and developing implementation and roll back plans is required. Applicants should be comfortable and concise with presenting to business area and upper level management when required.
The AA is responsible for technical quality and the stability of the application, including supporting the application post production release. The AA will perform some production support and is expected to mentor members of the development team in diagnosing issues quickly and responsibly. We are looking for a team player that promotes sound coding practices, code reviews, documentation, and improves processes leading to cost effectiveness throughout the product development life cycle.
Applicants for this position must have 10 or more years of design, development, implementation, and post production support of complex web applications. The applicant should expect to provide leadership and mentoring of others in testing from unit, system, QA automation, load-testing, and to establishing performance benchmarks.
Key Success Factors:
In this role the technical lead /architect should expect to balance time between working with the team and delivering his/her coding, research, communications, and documentation.
Ability to identify risks and provide relevant solutions to complex problems while ensuring on-time delivery.
Performs impact analyses for planning hardware and/or software upgrades. Includes upgrades to the development stack, as well as the applications still in development or post production support states.
Understands upstream and downstream dependencies.
Demonstrates the ability to share knowledge via formal mentoring, reviewing code, reviewing design documents, and providing technical talks.
Adept at producing architectural diagrams and presentations for use in communication with various levels of management and staff in both the business and IT.
Ability to lead and deliver change in a productive way.
Other Notes to Vendors:
1) An in person interview will be required before a final hire is made.
2) Resumes should be no longer than 3 pages.
3) This position is for an onsite position in Madison, WI.
4) Please bring three (3) business references to an interview.
5) The selected candidate will be required to sign exhibit B (attached) as part of the onboarding process.
6) The selected candidate will be required to complete a criminal background check.
7) This position is budgeted for 1960 hours annually. Hours will be prorated the first year based on start date.
8) DCF does not sponsor work visas, either at the time of hire or at any later date.
QualificationRatingMust HaveIIS5 YrsChange Management_7 YrsSQL Client tools4 YrsTypescript and CSS8 YrsCode Branching and version control6 YrsC#8 YrsUnit Testing6 YrsAngular 2/4 or higher5 YrsLeader4 Yrs.Net Core6 YrsPost production support on middle to large web applications5 YrsWeb Environment - W2K web/applications servers, C#, DB2 Connect, SQL Server, ASP.Net Core, Angular 48 YrsExcellent oral and written communication skills8 YrsExperience in upgrading .Net Core 1.1 to .Net core 2.21 YrsJavascript based responsive HTML 5 applications8 YrsStress Testing, Performance Testing, and Load Testing5 YrsMethodologies - Understanding of project management methodologies and experience with 'agile'8 YrsTeam Foundation Server5 Yrs.Net Application and Web Application Design Patterns8 YrsExperience in upgrading Bootstrap and Angular1 YrsXML5 YrsSQL5 YrsExperience in Technical Writing and Documentation7 YrsAutomated Testing and Continuous Integration3 YrsBootstrap3 YrsData flow and structure modeling4 YrsTechniques for securing against threats7 YrsSQL Server4 YrsAnalytical/problem solving skills8 Yrs
To Apply please send resume to Amanda Hague at ahague@irginc.net or call 573-632-6474 ex 205