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Mainframe Jobs in Wisconsin (NOW HIRING)

Principal Network Engineer z/OS

Brookfield, WI

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Monitor, analyze, and resolve complex mainframe networking issues involving multiple protocols, connectivity layers, and distributed platforms. * Participate in the design and management of IP ...

Senior CA-Gen Developer

Madison, WI · On-site

$55 - $72.50/hr

Top Skills & Years of Experience * 8+ years of experience with CA-Gen development analysis and design in a mainframe DB2 client-server environment * Ability to independently perform a variety of ...

Transportation Router

Menomonee Falls, WI · On-site

$28 - $29/hr

  • Medical

  • Life

  • Retirement

  • PTO

Maintains routing software system parameters (RoadNet and Mainframe) SUPERVISION : RELATIONSHIPS Internal: Transportation Supervisor and/or Transportation Manager; Sales and Warehouse Dept. ...

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 ...

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 ...

... mini/mainframe computer operating systems; hardware and software installation, testing and operation; principles of data communications and telecommunications; local area network concepts and ...

... mini/mainframe computer operating systems; hardware and software installation, testing and operation; principles of data communications and telecommunications; local area network concepts and ...

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 ...

... mini/mainframe computer operating systems; hardware and software installation, testing and operation; principles of data communications and telecommunications; local area network concepts and ...

Showing results 41-60

Mainframe information

See Wisconsin salary details

$10

$53

$73

How much do mainframe jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for mainframe in Wisconsin is $53.88, according to ZipRecruiter salary data. Most workers in this role earn between $47.55 and $61.15 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.

What are the most commonly searched types of Mainframe jobs in Wisconsin?

The most popular types of Mainframe jobs in Wisconsin are:

What job categories do people searching Mainframe jobs in Wisconsin look for?

The top searched job categories for Mainframe jobs in Wisconsin are:

What cities in Wisconsin are hiring for Mainframe jobs?

Cities in Wisconsin with the most Mainframe job openings:

Infographic showing various Mainframe job openings in Wisconsin as of August 2026, with employment types broken down into 86% Full Time, and 14% Contract. Highlights an 90% In-person, 5% Hybrid, and 5% Remote job distribution, with an average salary of $112,065 per year, or $53.9 per hour.

Mainframe Senior Sys Prog / Database Administrator - Db2

Northwestern Mutual Life Insurance Company

Franklin, WI • On-site

$46.25 - $63.50/hr

Full-time

Re-posted 6 days ago


Northwestern Mutual rating

8.0

Company rating: 8.0 out of 10

Based on 75 frontline employees who took The Breakroom Quiz

165th of 309 rated insurance


Job description

MainframeSenior SysProg /Database Administrator- Db2

What You'll Do

  • Work closely with all levels of IT to deploy and supportz/OSDb2infrastructure and the associated application stack

  • Provide leadershipin technical aspects of assigned projectsand supportissues;bringnew ideasto the table whenappropriate

  • Work with companionteams toset upand enforce database standards

  • Identifyopportunities to improve availability, reliability, and performance ofsystem andapplication infrastructure

  • Monitor system and application performance & provide performance improvement recommendations

  • Upgrade, configure, and migrate new releases of Db2;regularly applymaintenance, and when necessary, apply PTFs/APRS

  • Manage Db2 active and archive logs

  • Modify Db2zParms

  • Recycle Db2

  • Ensure recoverability of the system andapplications'database components

  • Support DR activities (RTO/RPO: synchronization methods)

  • Monitor instances for events and resolutions/escalations

  • Ensure the proper alerting is occurring for Db2 messages

  • Perform triage and troubleshooting

  • Install, upgrade, configure and migrate new releases of Db2 ISV products, apply maintenance, and when necessary, apply fixes

  • Support Db2IndependentSoftware Vendor(ISV)Products

  • Develop scripting to automate Db2 systems engineering tasks

What You'll Bring to the Role

  • Solid knowledge in Db2 subsystems and application tuning

  • A keen eye on process improvement and automation

  • Competence in Incident, Problem, and Change Management

  • In-depth experience in supporting mainframe technology (i.e.z/OS ISPF, JCL, JES2, etc.) specifically SMP/Eor ZOSMF

  • ExperiencereviewingHOLDDATA

  • Utilizestand-aloneutilities(i.e.DSNJLOGF, DSNJU004, DSNJU003, etc.)

  • Understandlogicaland physical database design

  • Experience as a z/OSDB2 administration, working with DDL, DML/DQL, DCL, DTL,DB2 commands, and SQL

  • System and Application Performance tuning; includingtuningbufferpools

  • Experience in the Db2Utilities(i.e.COPY, QUIESCE, REPAIR, REORG, LOAD, etc.)

  • Understand RACF Security

  • UnderstandDb2managed securityusingRACFopposed to Db2 security

  • Bachelor's Degree or equivalent experience

  • 4-5yearsprofessional experience. May include:

    • 5yearsof professional IT experience

    • 5 years' experiencewithat least one OS/hosting platform

    • 5 years' experience in performance tuning of application stacks

    • 5 years' experience with monitoring and performance management of systems

    • 3-5 years' experience withidentityplatform and tools

    • 2 years' experience with modern development and scripting languages

  • Experience with CICD concepts, tools, branching strategies,andleveragingknowledge toassistin delivering an infrastructure as a product

  • Excellent troubleshooting skills within area of expertise, and solid troubleshooting in adjacent domains

  • Solid understanding of traditional or cloud computing technologies including Networking, Compute, Storage, Development, Data, Operations, or Security

  • Experience with multiple delivery methodologies such as Agile and Waterfall

Skills You Have

  • Accountability: Holds self and their direct reports accountable for measurable, high-quality, timely, and cost-effective results, delivery, and execution. Determines objectives, sets priorities, delegates work to direct reports, and accepts responsibility for mistakes.

  • Adaptive Communication: Formulates strategies to be used to convey complex information about services, products, systems, or processes to targeted audiences; communicates and liaises between technical and non-technical audiences.

  • Analytical Thinking: Organizes and compares various aspects of a situation to comprehend and identify key or underlying complex issues through the use of quantitative data and analysis; leverages strong business acumen, problem solving, and interpersonal skills to think critically about situations from multiple perspectives and consistently seeks ways to improve processes.

  • Cross Functional Partnering & Planning: Facilitates collaboration, communication, coordination, and planning with individuals and teams from different functions within the organization, and who have different areas of expertise, to achieve common goals.

  • Infrastructure Development: Applies the knowledge of endpoint management and infrastructure platforms to analyze, design, implement, secure, and maintain hardware, network, and data storage platforms while ensuring that the infrastructure platforms align with the strategic direction of the organization. Designs, maintains, upgrades, and manages data centers and other operational components to support development operations efforts. Understands impacts on software development from Hardware design review.

  • Learning Agility & Critical Thinking: Pursues learning and obtains knowledge continuously in relevant fields, methods, or technologies in current and future practices; continuously utilizes critical thinking to identify opportunities, execute solutions, and measure impact to constantly improve existing practices and processes based on feedback, lessons learned, and market trends.

  • Monitor System Health: Applies the knowledge of various tools and techniques to monitor the performance of computer systems, networks, applications, and other infrastructure components to identify and diagnose problems, optimize performance, and ensure that the systems meet the established performance standards. Analyzes performance data, identifies trends, establishes performance baselines, sets up alerts and notifications, conducts periodic performance testing, and recommends solutions to improve system performance.

  • OS Level Knowledge: Leverages the fundamental concepts, principles, and components of an operating system to interact with and manage different operating systems, including installation, configuration, and maintenance. Demonstrates knowledge of how an operating system manages hardware resources, such as memory, processors, and storage, and how software interacts with these resources to design, develop, and maintain software that operates effectively on different platforms and provides the best possible user experience.

  • Technical Problem Solving: Conducts in-depth analysis of technology needs, issues, and roadblocks within assigned scope, applies best practice based on experience and expertise, explores the "art of possible". Solves problems effectively and gains alignment on the path forward. Defines, understands, and documents what is being solved for.

#LI-Remote

Compensation Range:

Pay Range - Start:

$108,160.00

Pay Range - End:

$162,240.00

Geographic Specific Pay Structure:

Structure 110:

$118,960.00 USD - $178,440.00 USD

Structure 115:

$124,400.00 USD - $186,600.00 USD

We believe in fairness and transparency. It's why we share the salary range for most of our roles. However, final salaries are based on a number of factors, including the skills and experience of the candidate; the current market; location of the candidate; and other factors uncovered in the hiring process. The standard pay structure is listed but if you're living in California, New York City or other eligible location, geographic specific pay structures, compensation and benefits could be applicable, click here to learn more.


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Northwestern Mutual is an equal opportunity employer that welcomes talented individuals of all backgrounds. We are committed to creating and maintaining an environment in which each employee can contribute creative ideas, seek challenges, assume leadership and continue to focus on meeting and exceeding business and personal objectives.



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About Northwestern Mutual

Sourced by ZipRecruiter

Northwestern Mutual has been helping families and businesses achieve financial security for over 160 years through a distinctive planning approach that integrates risk management with wealth accumulation, preservation, and distribution. With more than $290 billion in assets, $30 billion in revenues and more than $1.9 trillion worth of life insurance protection in force, Northwestern Mutual delivers financial security to more than 4.6 million clients. People are the power behind Northwestern Mutual, and diversity makes us better. We are committed to reflecting and serving the marketplace. We do so by attracting and improving the engagement of those who bring their outstanding perspectives, ideas, and beliefs.

Industry

Finance and insurance

Company size

5,001 - 10,000 Employees

Headquarters location

Milwaukee, WI, US