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Senior Mainframe Software Engineer Jobs in Wisconsin

Our client, a IT Services and Consulting company, is looking for a Senior Mainframe Programmer for ... Databases DB2 Yes 1 * Mainframe Cobol Yes 1 * Mainframe VSAM Yes 1 * Software Skills CICS Yes 1 Why ...

Senior Mainframe Analyst (CooLGen expert) Location: Madison, WI Position Type: Contract Duration ... engineering impact analysis for modernization initiatives Work with business stakeholders to ...

Sr. Mainframe Application Developer

Madison, WI · On-site

$49.50 - $63.50/hr

What You'll Do Teradata is looking for a skilled Mainframe Developer to join our Customer Developer Tools (CDT) organization. This role is critical in supporting and evolving our mainframe-based ...

Mainframe Developer

Milwaukee, WI · Hybrid

$48.25 - $62/hr

Recruiting for this role ends on July 1st, 2026 Qualifications Required * 4+ years of experience in software, systems, or embedded engineering * 4+ years of experience in Mainframe application ...

Cobol / Mainframe Developer

Milwaukee, WI · On-site

$48.25 - $62/hr

Cobol / Mainframe Developer Location: Milwaukee, WI This is for a Cobol / Mainframe Developer who ... software development engineering experience. * Working knowledge in Linux, UNIX & z/OS operating ...

Mainframe Developer

Brookfield, WI · On-site

$46 - $59/hr

Mainframe Developer Must have 8+ years of experience in Mainframe development. Must have hands on experience on CICS. Must have work in conversion experience (changing data from one platform to ...

Mainframe Developer

Brookfield, WI · On-site

$46.50 - $59.75/hr

They are seeking a Mainframe Developer to support and develop critical Mainframe and Teradata applications, ensuring efficient operations in a production environment. Responsibilities : • 5+ years ...

Mainframe Developer

Brookfield, WI · On-site

$46 - $59/hr

Mainframe Developer Our client, an IT Services and Consulting company, is looking for a Mainframe Developer for their Brookfield, WI/Minneapolis, MN/Irving, TX/Atlanta, GA/Columbus, OH/Charlotte, NC ...

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 ...

Mainframe Developer

Brookfield, WI · On-site

$46 - $59/hr

Irving, TX / Charlotte, NC / Atlanta, TX / Brookfield, WI * 5+ years of hands-on experience supporting or developing critical Mainframe and Teradata applications in a production environment. * 7+ ...

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Senior Mainframe Software Engineer information

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

To thrive as a Senior Mainframe Software Engineer, you need deep expertise in COBOL, JCL, DB2, and mainframe architecture, often backed by a degree in computer science or related fields and several years of relevant experience. Familiarity with tools like IBM z/OS, CICS, RACF, and version control systems is typically required, along with certifications like IBM Certified System Programmer as a plus. Strong analytical thinking, problem-solving ability, and effective communication are crucial soft skills for leading projects and collaborating with cross-functional teams. These skills ensure reliable, secure, and efficient operation of critical legacy systems that are foundational to many large organizations.

What are Senior Mainframe Software Engineers?

Senior Mainframe Software Engineers are experienced professionals who design, develop, maintain, and optimize software applications running on mainframe computer systems. They typically work with legacy programming languages such as COBOL, PL/I, or Assembler, and are responsible for ensuring the reliability, scalability, and security of critical business applications. Their role often includes troubleshooting complex issues, integrating new technologies with existing systems, and mentoring junior engineers. These specialists are essential for organizations that rely on mainframes for large-scale data processing and transaction management.

What are some common challenges faced by Senior Mainframe Software Engineers when integrating legacy systems with modern technologies?

Senior Mainframe Software Engineers often encounter challenges when bridging legacy mainframe systems with newer technologies, such as ensuring compatibility, maintaining data integrity, and managing security risks. These integrations typically require a deep understanding of both the existing mainframe environment and the modern platforms being adopted. Collaboration with cross-functional teams, including application developers, architects, and business analysts, is essential to design effective solutions and minimize disruptions. Staying current with industry best practices and emerging tools can help address these challenges and ensure a smooth transition.

What is the difference between Senior Mainframe Software Engineer vs Mainframe Developer?

AspectSenior Mainframe Software EngineerMainframe Developer
CredentialsBachelor's in Computer Science or related, often with certifications like IBM Certified SpecialistSimilar educational background, often with certifications in mainframe technologies
Work EnvironmentLarge enterprise IT departments, financial institutions, government agenciesSame as Senior Mainframe Software Engineer, often within similar industries
ResponsibilitiesDesign, develop, and oversee mainframe applications; lead projects; troubleshoot complex issuesDevelop and maintain mainframe applications; focus on coding and debugging

While both roles involve mainframe technologies and similar credentials, Senior Mainframe Software Engineers typically have more leadership responsibilities and oversee projects, whereas Mainframe Developers focus primarily on coding and application maintenance.

What are popular job titles related to Senior Mainframe Software Engineer jobs in Wisconsin? For Senior Mainframe Software Engineer jobs in Wisconsin, the most frequently searched job titles are:
What job categories do people searching Senior Mainframe Software Engineer jobs in Wisconsin look for? The top searched job categories for Senior Mainframe Software Engineer jobs in Wisconsin are:
What cities in Wisconsin are hiring for Senior Mainframe Software Engineer jobs? Cities in Wisconsin with the most Senior Mainframe Software Engineer job openings:
Senior Mainframe Programmer

Senior Mainframe Programmer

ICONMA

Brookfield, WI • On-site

Other

Medical

Posted 3 days ago


Job description

Our client, a IT Services and Consulting company, is looking for a Senior Mainframe Programmer for their Brookfield, WI/ Richfield, MN/ Chicago, IL/ Irving, TX/ Atlanta, GA/ Hybrid location.
Requirements:

  • Resource should be hands on in Mainframe Technologies COBOL, VSAM, DB2, CICS, JCL
  • Having knowledge in GIT and IDZ will be an additional advantage
  • Years of experience required: 8+
Skills:
  • Category Name Required Importance Experience
  • Databases DB2 Yes 1
  • Mainframe Cobol Yes 1
  • Mainframe VSAM Yes 1
  • Software Skills CICS Yes 1

Why Should You Apply?
  • Health Benefits
  • Referral Program
  • Excellent growth and advancement opportunities

ICONMA logo

About ICONMA

Sourced by ZipRecruiter

ICONMA is an established and stable organization building lasting relationships with clients and consultants. We are unique in our ability to provide a full spectrum of Staffing Services and Solutions including: Staff Augmentation (Contract, Contract-to-Hire, Direct Hire), Bulk Buy Staff Augmentation, Offshore Staff Augmentation, Payroll Services and Consulting (Project Delivery, SOW). At ICONMA, our goal is to become a one-stop destination for our customers' staffing and outsourcing needs. Our vision is to be a preeminent provider of innovative business solutions, leveraging key technologies to improve our customers' competitiveness, growth, and profitability. ICONMA focuses on a culture that fosters collaboration and team work. We recognize that employees are the foundation of any company, and we encourage our employees to be leaders while providing continuous training and growth opportunities. ICONMA encourages hard work, determination and dedication in a professional environment. ICONMA promotes a healthy work-life balance, and understands this is a key component to our employee's and company's success.

Industry

Recruiting and staffing services

Company size

1,001 - 5,000 Employees

Headquarters location

Troy, MI, US

Year founded

2000