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Mainframe Systems Engineer Jobs in Wisconsin (NOW HIRING)

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 ...

Wipro Limited

Mainframe Developer

Brookfield, WI · On-site

$60K - $135K/yr

Mainframe Developer City: Brookfield State/Province: Wisconsin Posting Start Date: 6/29/26 Wipro ... system. * Proven ability to assess incident severity, manage escalations, and drive timely ...

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 ... system. * Proven ability to assess incident severity, manage escalations, and drive timely ...

Accenture

Mainframe Specialist

Milwaukee, WI · On-site

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... 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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

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 ... Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a ...

Fiserv, Inc.

Quality Assurance Engineer

Milwaukee, WI · On-site

Quality Assurance Engineer EMPLOYER: Fiserv Solutions, LLC LOCATION: Milwaukee, WI (and various ... mainframe systems, on-prem and cloud environments. Detect, diagnose, and resolve performance ...

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Mainframe Systems Engineer information

See Wisconsin salary details

$10

$58

$79

How much do mainframe systems engineer jobs pay per hour?

As of Aug 2, 2026, the average hourly pay for mainframe systems engineer in Wisconsin is $58.72, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $67.93 per hour, depending on experience, location, and employer.

What is the difference between Mainframe Systems Engineer vs Mainframe Systems Analyst?

AspectMainframe Systems EngineerMainframe Systems Analyst
Required CredentialsTypically requires a degree in Computer Science or Information Technology, plus certifications like IBM Certified System AdministratorSimilar credentials, often with additional focus on analysis and requirements gathering
Work EnvironmentHands-on technical roles managing hardware, software, and system configurationsFocuses on analyzing system needs, user requirements, and optimizing system performance
Employer & Industry UsageUsed in banking, finance, government sectors with large mainframe infrastructuresCommon in organizations needing system analysis and process improvement for mainframe environments

The Mainframe Systems Engineer and Mainframe Systems Analyst roles share similar credentials and industry usage but differ in focus. Engineers handle technical system management, while Analysts focus on system requirements and optimization. Both roles are vital in maintaining and improving mainframe operations in large organizations.

What are the common challenges faced by Mainframe Systems Engineers when supporting legacy systems, and how can they be addressed?

Mainframe Systems Engineers often encounter challenges such as integrating legacy mainframe systems with modern technologies, managing system upgrades without disrupting business operations, and ensuring security compliance. Addressing these challenges typically involves thorough change management processes, continuous learning to stay updated on both mainframe and emerging technologies, and collaborating closely with cross-functional teams like application developers and cybersecurity experts. Building strong documentation and leveraging automation tools can also help streamline maintenance and minimize errors.

What are Mainframe Systems Engineers?

Mainframe Systems Engineers are IT professionals who design, implement, manage, and maintain mainframe computer systems used by large organizations for critical applications and data processing. They ensure the mainframe environment runs efficiently, securely, and reliably, handling tasks such as system upgrades, performance tuning, troubleshooting, and disaster recovery. Mainframe Systems Engineers often work with operating systems like IBM z/OS, manage storage and networking, and provide technical support for mainframe-based applications.

What are the key skills and qualifications needed to thrive as a Mainframe Systems Engineer, and why are they important?

To thrive as a Mainframe Systems Engineer, you need expertise in mainframe operating systems (such as z/OS), systems programming, and performance tuning, often supported by a degree in computer science or a related field. Familiarity with IBM mainframe tools, JCL, RACF, and monitoring software, as well as relevant certifications like IBM Certified System Programmer, is typically required. Strong analytical thinking, problem-solving, and effective communication help engineers manage complex systems and collaborate with IT teams. These skills ensure the reliability, security, and efficiency of critical enterprise computing environments.
What are popular job titles related to Mainframe Systems Engineer jobs in Wisconsin? For Mainframe Systems Engineer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Mainframe Systems Engineer jobs in Wisconsin look for? The top searched job categories for Mainframe Systems Engineer jobs in Wisconsin are:
Mainframe Systems Engineer jobs near you
Infographic showing various Mainframe Systems Engineer job openings in Wisconsin as of July 2026, with employment types broken down into 91% Full Time, 7% Part Time, and 2% Contract. Highlights an 87% Physical, 5% Hybrid, and 8% Remote job distribution, with an average salary of $122,138 per year, or $58.7 per hour.

Mainframe Security Admin position

Atria Group LLC

Madison, WI

Other

Re-posted 5 days ago

Job description

Company Description

We specialize in Staffing, Consulting, Software Development, and Training along with IT services to small to medium size companies. AG's primary objective is to help companies maximize their IT resources and meet the ever-changing IT needs and challenges.

In addition, AG offers enterprise resource planning and enterprise application integration, supply-chain management, e-commerce solutions, and B2B public exchanges and B2B process integration solutions. Our company provides application analysis, design, development and programming, software engineering, systems development, testing, integration, and implementation, and management consulting services to various clients - including governmental agencies and private companies - throughout the United States and India.

We provide these services in multiple computing environments and use technologies such as client/server architecture, object-oriented programming languages and tools, distributed database management systems, state-of-the-art networking, and communications infrastructures. Our honest and realistic approach to recruiting dictates that AG does not entice or lure engineers from their employers. We represent only high caliber technical professionals who have committed to making a change required by career.

Job Description

1. Mainframe Security admin with infrastructure exposure.

 2. Mainframe programming understanding (Cobol) (may not need to do it but understand in case adjustments need to be performed).

3. JCL, Sysview, DB2

4. Token authentication setup (two factor authentication)

5. Candidate must know CA-Top Secret product customization/Administration

6. Understanding of LDAP and Active Directory

7. Responsibilities include: provide system updates and security administration to Mainframe TopSecret, provide security administration support to all business areas and the security team, serve as lead security specialist on many business projects, provide expert advising on security roles, groups and user setup to new and existing systems, understand Mainframe environment and accurately apply security changes, token updates, along with various other Mainframe system updates. Interacts with other security analysts, specialists and leaders to provide security advice.

Additional Information

GOOD COMMUNICATION SKILLS

DURATION: 6 months

INTERVIEW: PHONE 

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