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Mainframes Developer Jobs in Milwaukee, WI (NOW HIRING)

US Bank

z/OS Systems Engineer

Brookfield, WI

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 ...

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 ...

Monitise

Quality Assurance Engineer

Milwaukee, WI · On-site

... mainframe systems, on-prem and cloud environments. Detect, diagnose, and resolve performance ... Using GIT, GITHub, Jenkins, Azure DevOps, and Gitlab; Working with QA methodologies and automation ...

Fiserv, Inc.

Quality Assurance Engineer

Milwaukee, WI · On-site

... mainframe systems, on-prem and cloud environments. Detect, diagnose, and resolve performance ... Using GIT, GITHub, Jenkins, Azure DevOps, and Gitlab; Working with QA methodologies and automation ...

FIS

Engineer Sr Lead, Systematics

Milwaukee, WI

Demonstrated ability to adapt to different mainframe/client environments and mainframe tool sets. Bonus if you have: * Minimum of 10 years experience working on FIS Systematics applications with ...

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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 Jul 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.

Are mainframe engineers in demand?

Mainframes developers are in steady demand due to the continued use of mainframe systems in industries like finance, government, and healthcare. They require specialized skills in COBOL, JCL, and mainframe environments, and demand often depends on the organization's reliance on legacy systems. While some companies are transitioning to newer technologies, mainframe expertise remains valuable for maintaining critical infrastructure.

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. Skilled developers with expertise in COBOL, JCL, and mainframe environments tend to earn higher salaries, especially in industries like finance and government. Salaries may also vary based on the complexity of projects and the employer's size.

Is mainframe developer a good career?

Mainframe developers work with large-scale computer systems used by many organizations for critical applications. The role offers stable employment, competitive salaries, and opportunities to work with legacy technologies like COBOL and JCL. As demand persists in industries such as finance and government, it can be a solid career choice for those with relevant skills and certifications.

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 focus on maintaining and optimizing these systems, often integrating AI tools to enhance performance but not replacing the hardware or fundamental role of mainframes in data processing. Skills in legacy systems, programming languages like COBOL, and system security remain essential for mainframe professionals.

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 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 July 2026, with employment types broken down into 79% Full Time, 8% Part Time, 4% Temporary, and 9% Contract. Highlights an 82% Physical, 3% Hybrid, and 15% Remote job distribution, with an average salary of $110,195 per year, or $53 per hour.
#4523 - SAS Programmer - Need locals to WI

#4523 - SAS Programmer - Need locals to WI

Halo Group

Milwaukee, WI

Contractor

Re-posted 20 days ago

Job description

Job Description

Need local candidates only.

*SAS Programmer*
The work involves migrating SAS code on the IBM mainframe to SAS on Unix Server.
The individual will be responsible for working with business and technical users for requirements, migration of the code from mainframe to Unix, tweaking the code as necessary and testing the code to ensure it works.

Qualifications

REQUIRED QUALIFICATIONS & EDUCATION REQUIREMENTS
Experienced SAS Consultant with 5+ years experience in SAS programming
Experienced at migrating SAS code from IBM mainframe to Unix Server
Good communication skills
Independent worker
Experienced with SAS macros

Additional Information

All your information will be kept confidential according to EEO guidelines.

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