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Mainframes Developer Jobs in Milwaukee, WI (NOW HIRING)

Wipro Limited

Mainframe Developer

Brookfield, WI · On-site

$60K - $135K/yr

Mainframe Developer City: Brookfield State/Province: Wisconsin Posting Start Date: 7/6/26 Wipro Limited (NYSE: WIT, BSE: 507685, NSE: WIPRO) is a leading technology services and consulting company ...

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

$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.​​​​​ ...

US Bank

z/OS Systems Engineer

Brookfield, WI · On-site

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 ...

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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 31, 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 45% Full Time, and 55% Contract. Highlights an 86% In-person, 2% Hybrid, and 12% Remote job distribution, with an average salary of $110,195 per year, or $53 per hour.

Senior Mainframe

Cognizant Technology Solutions

Brookfield, WI • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

This job post has expired today. Applications are no longer accepted.

Cognizant rating

7.4

Company rating: 7.4 out of 10

Based on 85 frontline employees who took The Breakroom Quiz

52nd of 72 rated business consultants

Job description

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About the role
As a Mainframe Engineering , you will make an impact by leading the delivery, modernization, and optimization of enterprise-scale mainframe applications that support critical card and payment processing platforms. You will be a valued member of the Engineering leadership team and work collaboratively with product owners, architects, business stakeholders, infrastructure teams, and engineering partners to deliver resilient, scalable, and high-performing solutions.
In this role, you will:
  • Lead the end-to-end delivery of complex mainframe solutions using COBOL, JCL, and DB2, ensuring quality, reliability, and timely execution of business priorities.
  • Guide solution architecture and technical design for high-volume transactional and batch workloads, driving performance, scalability, and maintainability.
  • Partner with product owners, business analysts, architects, and stakeholders to translate business requirements into effective technical solutions while minimizing delivery risk.
  • Drive engineering excellence through code reviews, development standards, testing practices, performance optimization, and continuous improvement initiatives.
  • Manage, mentor, and develop engineering teams in a hybrid work environment, fostering collaboration, accountability, and technical growth.
Work model
We believe hybrid work is the way forward as we strive to provide flexibility wherever possible. Based on this role's business requirements, this is a hybrid position requiring attendance in a client or Cognizant office as determined by project and business needs. Regardless of your working arrangement, we are here to support a healthy work-life balance through our various wellbeing programs.
The working arrangements for this role are accurate as of the date of posting. This may change based on the project you're engaged in, as well as business and client requirements. Rest assured; we will always be clear about role expectations.
What you need to have to be considered
  • Extensive experience designing, developing, and supporting enterprise mainframe applications using COBOL, JCL, and DB2 in large-scale production environments.
  • Strong expertise in DB2 database design, SQL optimization, performance tuning, and troubleshooting across transactional and batch processing systems.
  • Proven experience leading engineering teams, managing delivery plans, coordinating dependencies, and driving stakeholder alignment across complex initiatives.
  • Hands-on experience supporting cards and payments platforms, including transaction processing, authorization, clearing, settlement, or related payment flows.
  • Strong understanding of application performance optimization, production support, incident management, and root-cause analysis in mission-critical environments.
  • Experience establishing development standards, code review practices, testing strategies, and quality controls for mainframe engineering teams.
  • Excellent communication and collaboration skills with the ability to engage both technical and non-technical stakeholders.
  • Experience working within regulated environments with knowledge of security, compliance, risk, and audit requirements.
  • Bachelor's degree in Computer Science, Information Systems, Engineering, or a related field, or equivalent professional experience.
These will help you stand out
  • Experience modernizing or refactoring legacy COBOL and JCL applications.
  • Knowledge of mainframe integration patterns supporting enterprise payment ecosystems and distributed platforms.
  • Experience improving deployment automation, job scheduling, release management, and operational efficiency across mainframe environments.
  • Familiarity with engineering metrics, including cycle time, defect leakage, environment stability, and operational performance indicators.
  • Experience implementing reusable frameworks, automation, and continuous improvement programs within mainframe delivery organizations.
  • IBM certifications, including IBM Certified Application Developer (CICS), IBM DB2 certifications, or equivalent mainframe engineering credentials.

Benefits:
Cognizant offers the following benefits for this position, subject to applicable eligibility requirements:
  • Medical/Dental/Vision/Life Insurance.
  • Paid holidays plus Paid Time Off.
  • 401(k) plan and contributions.
  • Long-term/Short-term Disability.
  • Paid Parental Leave.
  • Employee Stock Purchase Plan.

We're excited to meet people who share our mission and can make an impact in a variety of ways. Don't hesitate to apply, even if you only meet the minimum requirements listed. Think about your transferable experiences and unique skills that make you stand out as someone who can bring new and exciting things to this role
About Cognizant:
Cognizant (Nasdaq: CTSH) is an AI Builder and technology services provider, bridging the gap between AI investment and enterprise value by building full-stack AI solutions for our clients. Our deep industry, process and engineering expertise enables us to build an organization's unique context into technology systems that amplify human potential, drive tangible outcomes and keep global enterprises ahead in a fast-changing world. See how at cognizant.ai or @cognizant.
Additional employment information
Compensation information is accurate as of the date of this posting. Cognizant reserves the right to modify this information at any time, subject to applicable law.
Applicants may be required to attend interviews in person or by video conference. In addition, candidates may be required to present their current state or government issued ID during each interview.
Cognizant is an equal opportunity employer. Your application and candidacy will not be considered based on race, color, sex, religion, creed, sexual orientation, gender identity, national origin, disability, genetic information, pregnancy, veteran status or any other characteristic protected by federal, state or local laws.
If you have a disability that requires reasonable accommodation to search for a job opening or submit an application, please email [email protected] for roles based in the Americas or [email protected] for roles based in India.

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