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Mainframes Developer Jobs in Wisconsin (NOW HIRING)

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

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 ...

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

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 ...

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 ...

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 ...

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 ...

... in mainframe automation programing languages such as Resource Access Control Facility (RACF) and Identity and Access Management systems, such as Cayosoft. (Preferred Skill) • Experience in access ...

Sr. Java Developer

Madison, WI

$57.75 - $73.50/hr

Experience building and deploying large scale Java web applications Conceptual knowledge of information technologies and methodologies in mainframe, midrange, Web and PC computing environments ...

... mainframe automation programing languages such as Resource Access Control Facility (RACF) · Understanding of agency audit and compliance requirements *** Rate depends on experience *** Candidates ...

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Mainframes Developer information

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and may also handle system updates, performance tuning, and integration with other systems.

What is mainframe developer salary?

The salary for 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 environments may earn higher compensation. Many positions also offer benefits such as health insurance and retirement plans.

Can mainframe be replaced by AI?

Mainframes are large-scale computing systems used for critical enterprise applications, and while AI can automate certain tasks and improve efficiency, it does not replace the core functions of mainframes. Mainframe developers often work with legacy systems, COBOL programming, and security protocols, which require specialized skills that are not fully replaced by AI technologies.

Is mainframe still in demand?

Mainframes remain in demand for large enterprises such as banks, insurance companies, and government agencies that rely on their reliability, security, and processing power. Mainframe developers with skills in COBOL, JCL, and mainframe environments are sought after to maintain and upgrade legacy systems, though the overall demand has decreased as organizations adopt cloud and distributed computing. Certification and experience with mainframe tools can enhance job prospects in this specialized field.

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.

What are popular job titles related to Mainframes Developer jobs in Wisconsin? For Mainframes Developer jobs in Wisconsin, the most frequently searched job titles are:
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:
Infographic showing various Mainframes Developer job openings in Wisconsin as of June 2026, with employment types broken down into 79% Full Time, and 21% Contract. Highlights an 89% In-person, and 11% Remote job distribution.
RPG Developer(AS 400)

RPG Developer(AS 400)

krg technology inc

Neenah, WI • On-site

Contractor

Posted 16 days ago


Job description

Company Description

Sevagan

KRG Technologies Inc

sevagan at krgtech.com

661-367-8000 EXT 513

Job Description

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

Additional Information

Major System Support:

Friedman ERP

Varsity transportation

TL Ashford

Gentran EDI

Databases - DB2, SQL

Programming Languages - RPG ILE, CL, SQL

Knowledge / Skills / Ability

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


KRG Technologies logo

About KRG Technologies

Sourced by ZipRecruiter

KRG Technologies was founded with a simple motive of offering the clients exactly what they want, how they want and when they want. By leveraging for its clients its technological edge and right-sourcing advantage, KRG in a short period of time has grown to become one of the most trusted strategic technology partners. Treating every client as the top priority, we customize our solutions and services to align with the unique needs of each client. Headquartered in Valencia, California, KRG employs a unique global delivery platform to minister its offerings spanning from application development and maintenance to business process reengineering. With years of hands-on domain experience and international presence, we offer state-of-the-art solutions backed by our follow-the-sun service model in the most cost effective manner. We value our clientele for the trust reposed in us and our clientele admire us for our personalized approach and deep commitment to their success. Our biggest strength lies in technical expertise of our team and individual competency of our employees, which enables us to be the most befitting solution provider.

Industry

It services

Company size

201 - 500 Employees

Headquarters location

Valencia, CA, US

Year founded

2003

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