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Mainframes Developer Jobs in Chicago, IL (NOW HIRING)

Noblesoft Technologies

zOS Technical Developer

Lisle, IL · On-site

$45 - $52/hr

Role - zOS Technical Developer Location -Lisle, Illinois (Onsite, no remote) JD: * 5-8+ years of experience in mainframe development. * Strong proficiency in COBOL, JCL, CICS, VSAM, DB2, IMS, REXX.

Broadcom Inc.

R&D Engineer Software 3

Lisle, IL · On-site

$91.10 - $146/hr

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...

Broadcom

R&D Engineer Software 3

Lisle, IL · On-site

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software Engineer with a passion for building high-quality applications using agile practices to join our ...

krg technology inc

Mainframe CICS and MQ

Chicago, IL · On-site

$50.50 - $65/hr

... collaborate with application developers on application design. ? Support for application ... Additional Information Strong experience in Mainframe CICS and MQ

Virtusa Corporation

Architect

Chicago, IL · On-site

Lead Mainframe Architect DevOps Modernization Role Description Seeking an experienced Lead Mainframe Architect with strong expertise in IBM Z DevOps and enterprise modernization. The role focuses on ...

Broadcom

R&D Software Engineer

Lisle, IL

Broadcom's Mainframe Software Division (MSD) is looking for a talented, motivated, and experienced Software Engineer with a passion for building high-quality applications using Agile practices to ...

Front Door Defense

R&D Software Engineer

Lisle, IL · On-site

$108 - $173/hr

Has mastered the basics of operating as a developer in the IBM mainframe environment; * Experience debugging with tools like XDC, IPCS; * Experience in software development using IBM Assembler/Metal ...

US Bank

z/OS Systems Engineer

Chicago, IL · 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 ...

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All JobsMainframes Developer JobsMainframes Developer Jobs in Chicago, IL

Mainframes Developer information

See Chicago, IL salary details

$49.4K

$115.2K

$171K

How much do mainframes developer jobs pay per year?

As of Sep 5, 2026, the average yearly pay for mainframes developer in Chicago, IL is $115,217.00, according to ZipRecruiter salary data. Most workers in this role earn between $92,700.00 and $133,900.00 per year, depending on experience, location, and employer.

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.

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 ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in Chicago, IL?

For Mainframes Developer jobs in Chicago, IL, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in Chicago, IL look for?

The top searched job categories for Mainframes Developer jobs in Chicago, IL are:

What cities near Chicago, IL are hiring for Mainframes Developer jobs?

Cities near Chicago, IL with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in Chicago, IL as of August 2026, with employment types broken down into 67% Full Time, and 33% Contract. Highlights an 67% In-person, and 33% Remote job distribution, with an average salary of $115,217 per year, or $55.4 per hour.

zOS Technical Developer

Noblesoft Technologies

Lisle, IL • On-site

$45 - $52/hr

Contractor

Re-posted 26 days ago

Job description

Role - zOS Technical Developer

Location -Lisle, Illinois (Onsite, no remote)

JD:

  1. 5–8+ years of experience in mainframe development.
  2. Strong proficiency in COBOL, JCL, CICS, VSAM, DB2, IMS, REXX.
  3. Analyze business and technical requirements to create scalable solutions.
  4. Perform coding, testing, debugging, and documentation of programs

Nice to have skills:
Optimize application performance and ensure system reliability.
Conduct code reviews and ensure adherence to best practices and security standards.
Collaborate with QA, business analysts, and project managers for successful delivery.