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Mainframe Systems Engineer Jobs in Wisconsin (NOW HIRING)

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 ...

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 ...

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 ...

Job#: 3038316 Mainframe Programmer Location: Brookfield, Wisconsin or other hubs (3 days on site ... Everforth Apex Systems is an equal opportunity employer. We do not discriminate or allow ...

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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 ...

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 ...

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 ...

MF Cobol developer

Madison, WI · On-site

$49.50 - $63.50/hr

Mainframe COBOL Developer Overview / Summary We are seeking a highly skilled Mainframe COBOL ... Integrate Mainframe applications with other systems and platforms to support data flow and ...

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MF Cobol developer

Madison, WI · On-site

$49.50 - $63.50/hr

Mainframe COBOL Developer Overview / Summary We are seeking a highly skilled Mainframe COBOL ... Integrate Mainframe applications with other systems and platforms to support data flow and ...

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MF Cobol developer

Madison, WI · On-site

$49.25 - $63.50/hr

... COBOL Developer a { text-decoration: none; color: #464feb; } tr th, tr td { border: 1px solid ... Integrate Mainframe applications with other systems and platforms to support data flow and ...

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

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

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 ...

Job Purpose /Summary The Programmer/Analyst is responsible for developing and maintaining ... mini/mainframe computer operating systems; hardware and software installation, testing and ...

For 80 years Rice Lake Weighing Systems has been a successful, growth-oriented company known as a ... Good M2K mainframe and personal computer skills including Windows, Word and Excel skills. * Good ...

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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 Jul 13, 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:
Infographic showing various Mainframe Systems Engineer job openings in Wisconsin as of July 2026, with employment types broken down into 92% Full Time, 5% Part Time, 1% Temporary, and 2% Contract. Highlights an 87% Physical, 4% Hybrid, and 9% Remote job distribution, with an average salary of $122,138 per year, or $58.7 per hour.
Mainframe Programmer

Mainframe Programmer

CYNET SYSTEMS

Brookfield, WI • On-site

$41 - $46/hr

Contractor

Posted 10 days ago


Job description

Job Overview:

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.​​​​​

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.

Cynet Systems logo

About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

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