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Mainframes Developer Jobs in Milwaukee, WI (NOW HIRING)

Georgia IT, Inc.

Mainframe Engineer-Franklin, WI

Franklin, WI · On-site

$45.50 - $58.50/hr

Georgia IT, Inc. is seeking a Mainframe Engineer to join their team in Franklin, WI. The role involves designing, developing, and testing program units while ensuring adherence to SDLC standards and ...

Ampcus Inc

Cobol / Mainframe Developer

Milwaukee, WI · On-site

$48.25 - $62/hr

They are seeking a Cobol / Mainframe Developer to work within Card Management Systems, focusing on backend business logic and coding experience. The role requires strong expertise in Cobol ...

Wipro Limited

Mainframe Developer

Brookfield, WI · On-site

$60K - $135K/yr

Job Title: Mainframe Developer City: Brookfield State/Province: Wisconsin Posting Start Date: 6/29/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and ...

ClifyX

Mainframe Developer - Brookfield, WI

Brookfield, WI · On-site

$46.50 - $59.75/hr

ClifyX is seeking a Mainframe Developer to join their team. The role involves full life cycle development of business applications, supporting and modifying existing applications, and driving the ...

Accenture

Mainframe Specialist

Milwaukee, WI · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

CYNET SYSTEMS

Mainframe Programmer

Brookfield, WI · On-site

$41 - $46/hr

Pay Range: $41hr - $46hr Requirement/Must Have: * 1+ years of experience in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL. * Knowledge in GIT and IDZ is an additional advantage.​​​​​ ...

Morgan Stanley

Mainframe CICS Systems Engineer

Wauwatosa, WI · On-site

$47.50 - $61.25/hr

The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering, system and software maintenance, and CICS related operational functions. The candidate must be ...

SonSoft Inc.

Mainframe Automation Testing

Milwaukee, WI · On-site

Required : • JavaScript • Selenium (aka nightwatch.js, protractor, web driver, browser automation) • Experience in Shell scripting • Jenkins • 2 yrs of SDET knowledge in PL1 (Mainframe) • ...

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All JobsMainframes Developer JobsMainframes Developer Jobs in Milwaukee, WI

Mainframes Developer information

See Milwaukee, WI salary details

$47.3K

$110.2K

$163.6K

How much do mainframes developer jobs pay per year?

As of Sep 12, 2026, the average yearly pay for mainframes developer in Milwaukee, WI is $110,195.00, according to ZipRecruiter salary data. Most workers in this role earn between $88,700.00 and $128,100.00 per year, depending on experience, location, and employer.

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 are popular job titles related to Mainframes Developer jobs in Milwaukee, WI?

For Mainframes Developer jobs in Milwaukee, WI, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Milwaukee, WI look for?

The top searched job categories for Mainframes Developer jobs in Milwaukee, WI are:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Milwaukee, WI as of August 2026, with employment types broken down into 81% Full Time, 5% Part Time, and 14% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $110,195 per year, or $53 per hour.

Mainframe Engineer-Franklin, WI

Franklin, WI • On-site

Georgia IT, Inc.
IT Services • 51 - 200 employees
Learn more about Georgia IT, Inc.external

$45.50 - $58.50/hr

Full-time

Re-posted yesterday

Job description

Job Summary:
Georgia IT, Inc. is seeking a Mainframe Engineer to join their team in Franklin, WI. The role involves designing, developing, and testing program units while ensuring adherence to SDLC standards and applying mainframe engineering best practices.
Responsibilities:
• Design, develop, and test program units
• Enhance and maintain existing code
• Prepare and maintain documentation
• Ensure code complies with SDLC standards
• Apply mainframe engineering best practices in order to analyze, design and develop deploy and support software solutions, and/or infrastructure implementations/upgrades.
• Develop software and systems on test driven development and continuous integration practices; establish monitoring and automation processes.
• Work as part of a project team and coordinate activities with others teams or team members across all phases of SDLC
Qualifications:
Required:
• 3-7+ years of experience in development (lead experience desired)
• Expertise in mainframe programming languages: COBOL and PL1
• Development experience in .NET or Java
• If no programming experience in .NET or Java, must have CI/CD experience
• Experience with mainframe engineering best practices including: analyzing, designing, developing, and deploying and supporting software solutions and/or infrastructure implementations/upgrades.
• Experience with application installation and configuration in all environments (development, test, stage, production)
• Experience with Source Code management
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.
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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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