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Mainframe Jobs in Milwaukee, WI (NOW HIRING)

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, VSAM, CICS, DB2, Assembler, REXX, SPUFI, TSO/ISPF, and RACF? We are looking for exceptional talent to ...

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 ...

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 ...

SonSoft Inc.

Mainframe PL/1 Consultant

Milwaukee, WI · On-site

They are seeking a Mainframe PL/1 Consultant with extensive experience in mainframe technologies and software development life cycles. Qualifications : Required : • Bachelor's degree or foreign ...

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 ...

Sonsoft Inc

Mainframe Consultant

Franklin, WI · On-site

Preferred At least 6 years of relevant experience with mainframe- PL/1 language, JCL, and DB2 database At least 6 years of experience in software development life cycle. At leave 4 years of ...

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.​​​​​ ...

Sonsoft Inc

Mainframe PL/1 Consultant

Milwaukee, WI · On-site

Preferred At least 6 years of relevant experience with mainframe- PL/1 language, JCL, and DB2 database At least 6 years of experience in software development life cycle. At leave 4 years of ...

Sonsoft Inc

Mainframe PL/1 Consultant

Milwaukee, WI · On-site

Preferred At least 6 years of relevant experience with mainframe- PL/1 language, JCL, and DB2 database At least 6 years of experience in software development life cycle. At leave 4 years of ...

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 ...

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Mainframe information

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$9

$52

$71

How much do mainframe jobs pay per hour?

As of Sep 9, 2026, the average hourly pay for mainframe in Milwaukee, WI is $52.59, according to ZipRecruiter salary data. Most workers in this role earn between $46.44 and $59.66 per hour, depending on experience, location, and employer.

What is a mainframe?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are the key skills and qualifications needed to thrive as a mainframe developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, skills in system maintenance, and certifications such as IBM Certified System Programmer. It offers stable employment opportunities and competitive salaries due to the specialized skill set involved.
More about Mainframe jobs

What are the most commonly searched types of Mainframe jobs in Milwaukee, WI?

The most popular types of Mainframe jobs in Milwaukee, WI are:

What are popular job titles related to Mainframe jobs in Milwaukee, WI?

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

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

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

What cities near Milwaukee, WI are hiring for Mainframe jobs?

Cities near Milwaukee, WI with the most Mainframe job openings:

Mainframe jobs near you
Infographic showing various Mainframe job openings in Milwaukee, WI as of August 2026, with employment types broken down into 50% Full Time, 2% Temporary, and 48% Contract. Highlights an 86% In-person, and 14% Remote job distribution, with an average salary of $109,388 per year, or $52.6 per hour.

Mainframe Programmer

Brookfield, WI • On-site

Indotronix International Corporation
Recruiting and Staffing Services • 1 - 5K employees
Learn more about Indotronix International Corporationexternal

Full-time

Re-posted yesterday

Job description

Mainframe Programmer - Brookfield, WI (Hybrid: 3 Onsite, 2 Remote)
About the Role
Join a dynamic, agile team as a Mainframe Programmer, where you'll drive innovative development and maintenance of cutting-edge Product and Rewards applications. Play a key part in launching new Rewards job streams to support the evolving Credit Product Development Journey. This opportunity offers a hybrid work model, professional growth, and the chance to make a direct business impact.
Responsibilities
- Collaborate in an agile team to design, develop, and maintain Product and Rewards applications
- Participate actively in agile ceremonies and team meetings
- Stand up new Rewards job streams for future business needs
- Write, test, and integrate mainframe code for complex business processes
- Conduct unit testing, integration testing, and support user acceptance testing
- Maintain and enhance existing applications to meet evolving requirements
- Use JCL, Job Streams, and CA-7 for workflow management and automation
Required Skills and Experience
- 5+ years of hands-on experience in mainframe environments
- Expertise in Mainframe COBOL, DB2, and JCL
- Strong knowledge of job scheduling and automation (CA-7)
- Proven ability to deliver across the full software development lifecycle
- Authorized to work in the U.S. without sponsorship
Preferred Skills
- Experience supporting credit or rewards-based business applications
- Familiarity with agile development methodologies
Benefits
- Flexible hybrid work schedule (3 days onsite in Brookfield, WI or other hubs, 2 days remote)
- Exposure to high-impact, enterprise-level projects
- Opportunities for career growth within a collaborative environment
- Comprehensive background check and drug screening for a secure, professional workplace
How to Apply
Ready to advance your mainframe career? Submit your resume today to join an exclusive opportunity with Apex and help shape the future of credit products and rewards applications.
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About Indotronix

Sourced by ZipRecruiter

In 1986, Indotronix established itself in the staffing space. 22 years later, Avani entered the scene, offering consulting and technology development. Finally, in 2016, the two joined forces to begin delivering talent across all areas, from Staffing to Consulting to unique platform development.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Rochester, NY, US

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