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Mainframe Support Jobs in Chicago, IL (NOW HIRING)

Support Engineer - Mainframe

Lisle, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

This position is responsible for providing mainframe technical support for the Endevor product. This support includes handling complexquestions/problemsfor product suites to ensure our customers ...

Site Reliability Engineer

Chicago, IL · On-site

$58.75 - $78/hr

  • Medical

  • Life

  • Retirement

  • PTO

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Site Reliability Engineer

Chicago, IL

$57K - $113K/yr

  • Medical

  • Life

  • Retirement

  • PTO

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve, IBM Utilities, SORT, FileAid, Xpediter, ChangeMan, AbendAid, and related tools. * Monitor and ...

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

This is for local Mainframe developers.. Contract to hire only Must have GC or USC only 8+ years ... Embraces emerging technology opportunities and contributes to the best practices in support of the ...

New

All three security products, ACF2, Top Secret and RACF are utilized for supporting mainframe system access. In addition, they will review security policies, procedures, standards, baselines and may ...

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

This is for local Mainframe developers.. Contract to hire only Must have GC or USC only 8+ years ... Embraces emerging technology opportunities and contributes to the best practices in support of the ...

New

Mainframe CICS and MQ

Chicago, IL · On-site

$50.50 - $65/hr

Support for highly available, sysplexed MQ and CICS environments on zSeries. ? Experience with ... Additional Information Strong experience in Mainframe CICS and MQ

RACF Mainframe Security Engineer

Chicago, IL · On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM ... Experience in production support and design of Cyber Security technologies * Operational experience ...

New

RACF Mainframe Security Engineer

Chicago, IL · On-site +1

$70K - $140K/yr

  • Medical

  • Life

  • Retirement

  • PTO

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM ... Experience in production support and design of Cyber Security technologies * Operational experience ...

New

CICS/MQ Systems Programmer

Chicago, IL · Remote

$56.75 - $72/hr

PROVEN EXPERTISE IN Z/OS MAINFRAME SYSTEMS PROGRAMMING WITH EMPHASIS ON CICS COMPONENTS * MQ SYSTEMS EXPERIENCE A BIG PLUS * SUPPORT CICS USING SMP/E, ISPF * INSTALL/MAINTAIN CICS SOFTWARE PRODUCTS

Senior Legacy (Mainframe) Modernization Lead

Chicago, IL · On-site

$103K - $242K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

... be supported and inspired by a collaborative community of colleagues around the world, and where ... About the job you're considering Capgemini is seeking Senior Legacy Modernization (Mainframe ...

Showing results 21-40

Mainframe Support information

See Chicago, IL salary details

$10

$55

$74

How much do mainframe support jobs pay per hour?

As of Aug 13, 2026, the average hourly pay for mainframe support in Chicago, IL is $55.03, according to ZipRecruiter salary data. Most workers in this role earn between $48.56 and $62.45 per hour, depending on experience, location, and employer.

What is a mainframe support?

A Mainframe Support job involves maintaining, troubleshooting, and optimizing mainframe systems to ensure smooth operations. Responsibilities typically include monitoring system performance, resolving technical issues, applying software updates, and ensuring data security. Mainframe Support professionals work with legacy systems, batch processing, and various programming languages like COBOL or JCL. Their role is critical in industries like banking, healthcare, and government, where mainframes handle large-scale transactions and data processing.

What are the key skills and qualifications needed to thrive in mainframe support, and why are they important?

To thrive as a Mainframe Support professional, you need a solid understanding of mainframe operating systems (such as z/OS), basic programming skills, and troubleshooting abilities, typically supported by a degree in computer science or equivalent experience. Proficiency with tools like IBM ISPF, SDSF, JCL, and familiarity with monitoring and batch processing tools, as well as certifications like IBM Certified System Administrator, are often expected. Strong analytical thinking, communication, and teamwork skills are crucial for effectively addressing technical issues and collaborating with cross-functional teams. These abilities ensure prompt issue resolution and maintain the stability and reliability of critical business systems.

What are the typical daily responsibilities of a mainframe support?

Mainframe Support professionals typically monitor system performance, respond to incidents or service requests, and perform routine maintenance to ensure mainframe systems run smoothly. Their day may include troubleshooting job failures, updating software or system configurations, and working with application teams to resolve integration or data transfer issues. They often participate in on-call rotations and collaborate closely with other IT teams, such as network or security specialists. These responsibilities are essential to minimize downtime and maintain uninterrupted business operations.

What skills are needed for mainframe support?

Mainframe support requires strong knowledge of mainframe operating systems such as z/OS, proficiency in programming languages like COBOL and JCL, and experience with troubleshooting hardware and software issues. Familiarity with tools like IBM Debug Tool and knowledge of database management systems such as DB2 are also important. Certifications like IBM Certified System Programmer can enhance job prospects.

Is mainframe support still in demand?

Mainframe support professionals are still in demand due to the continued reliance of large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe troubleshooting remain valuable, especially in finance, government, and insurance sectors where legacy systems are prevalent.
What are the most commonly searched types of Mainframe Support jobs in Chicago, IL? The most popular types of Mainframe Support jobs in Chicago, IL are:
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Infographic showing various Mainframe Support job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 74% Full Time, 20% Part Time, and 5% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $114,463 per year, or $55 per hour.

Sr Mainframe PL/1 developer - Full time perm job

E*Pro, Inc.

Westchester, IL

Full-time

Re-posted 22 days ago


Job description

Company Description

E*Pro Consulting service offerings include contingent Staff Augmentation of IT professionals, Permanent Recruiting and Temp-to-Hire. In addition, our industry expertise and knowledge within financial services, Insurance, Telecom, Manufacturing, Technology, Media and Entertainment, Pharmaceutical, Health Care and service industries ensures our services are customized to meet specific needs. For more details please visit our website www.epro-tech.com.

Job Description

Roles & Responsibilities
    Perform Production Support and enhancements on IBM mainframe based systems
    Effectively liaise with customer to understand mainframe systems and document the same
    Provide training on PL/1 and IDMS/ADSO

Qualifications

Relevant Experience - 7+yrs
Technical/Functional Skills - Mainframe PL/1, COBOL, IDMS/ADSO, VSAM, DB2
Experience Required
    Proficient in Pl/I coding and debugging programs. (Must have skill)
    Good knowledge on IDMS/ADSO (Must have skill)
    Experience in doing Production Support (Must have skill)
    Experience in working for Insurance clients (Must have requirement)
    Prior experience in working on core policy administration systems or agency management systems will be an added advantage

Additional Information
All your information will be kept confidential according to EEO guidelines.