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Mainframes Developer Jobs in Illinois (NOW HIRING)

Mainframe Developer

Chicago, IL ยท On-site

$50.50 - $65/hr

MAINFRAME DEVELOPER Location: Chicago, IL (Full Onsite, Open to Relocating Candidates) Visa: Any visa except H1B We're looking for a Mainframe Developer to join our team! If you're experienced with ...

Mainframe Developer

Chicago, IL ยท On-site

$50.50 - $65/hr

Mainframe Developer (12+ YEARS) Location: Chicago, IL * Required Years of Experience: At least 12+ years of relevant experience * 12+ years of experience as a Mainframe Developer Required Skills:

Mainframe Developer

Springfield, IL ยท On-site

$48.50 - $62.50/hr

The Mainframe Developer will support Barrow Wise's State of Illinois project and perform the following duties: * Write, test, and debug code * Create databases and manage data * Collaborate with team ...

Senior Mainframe DevOps Architect

Lisle, IL ยท On-site

$127K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

About the Role We are seeking a Senior Mainframe DevOps Architect to lead solution design and own end-to-end architecture for enterprise customers-translating complex business requirements into ...

DB2 Mainframe Developer

Bloomington, IL ยท On-site

$45 - $50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Experience with Mainframe technologies including PL/1, IMSDB, DB2, and JCL. * Strong understanding ... We deliver agile, scalable talent solutions across IT, engineering, life sciences, clinical, and ...

Mainframe Developer

Chicago, IL ยท On-site

$90K - $96K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc. * Very good ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Mainframe Developer

Chicago, IL ยท On-site

$90K - $96K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc. * Very good ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

Mainframe/Cobol developer

Bloomington, IL

$47 - $60.50/hr

Mainframe/Cobol developer * Resource needed with industry knowledge/experience of IBM's Rational Asset Analyzer (RAA) tool. * Preferable, but not mandatory is additional knowledge/experience of ...

Tandem Developer

Rolling Meadows, IL ยท On-site

$49.25 - $63.25/hr

Tandem Developer Job Location: Rolling Meadows,IL Job Type: Contract Technical Skills: * Strong ... CICS,JCL,Mainframe Enterprise Cobol,Mainframe DB2,Z/OS,CICS Admin,Mainframe - COBOL/JCL/CICS ...

RACF Mainframe Security Engineer

Chicago, IL ยท On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM technologies across the bank. Duties & Responsibilities: * Deliver business value by delivering and ...

Mainframe Support Engineer

Maryville, IL ยท On-site

$45.75 - $59/hr

We are seeking a Mainframe Support Engineer to provide L2/L3 production support for enterprise mainframe applications. The ideal candidate will have strong experience with COBOL, DB2, VSAM, Batch ...

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Mainframes Developer information

What does a Mainframes Developer do?

A Mainframes Developer designs, codes, tests, and maintains applications running on mainframe systems, primarily using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of legacy systems, often working with tools such as JCL and DB2, and may collaborate with system administrators and analysts to support business operations.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the continued use of mainframe technology for critical applications. However, the number of new positions is gradually decreasing as organizations modernize their IT infrastructure.

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 job categories do people searching Mainframes Developer jobs in Illinois look for?

The top searched job categories for Mainframes Developer jobs in Illinois are:

What cities in Illinois are hiring for Mainframes Developer jobs?

Cities in Illinois with the most Mainframes Developer job openings:

Infographic showing various Mainframes Developer job openings in Illinois as of August 2026, with employment types broken down into 80% Full Time, 6% Part Time, and 14% Contract. Highlights an 80% Physical, 6% Hybrid, and 14% Remote job distribution.

Mainframe Developer

Kanak Elite Services Inc

Chicago, IL โ€ข On-site

$50.50 - $65/hr

Contractor

Re-posted 3 days ago


Job description

Role: MAINFRAME DEVELOPER

Location: Chicago, IL (Full Onsite, Open to Relocating Candidates)

Visa: Any visa except H1B
We're looking for a Mainframe Developer to join our team! If you're experienced with mainframe technologies and meet the requirements below, we'd love to connect.
What we're looking for:
·      12+ years working with Mainframe technologies
·      Strong experience in NAT/ADABAS
·      COBOL, CICS, DB2, JCL, CA7
·      Financial industry experience is a bonus
 

Thanks & Regards,

Technical Recruiter

Anjali Sonkar

Email : Anjali08@kanakits.com