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Mainframe System Programmer Jobs in Chicago, IL (NOW HIRING)

Staffingine LLC

Tandem Developer

Rolling Meadows, IL · On-site

$49.25 - $63.25/hr

Strong experience with Tandem HP NonStop systems and tools * Proficiency in Tandem programming ... CICS,JCL,Mainframe Enterprise Cobol,Mainframe DB2,Z/OS,CICS Admin,Mainframe - COBOL/JCL/CICS ...

United Airlines

Senior Mainframe Analyst

Chicago, IL · On-site

... system architecture and batch processing Experience in business analysis requirement gathering Exposure to mainframe modernization re platform re engineering programs Ability to perform impact ...

Capgemini

Senior Mainframe Analyst

Chicago, IL · On-site

... system architecture and batch processing Experience in business analysis requirement gathering Exposure to mainframe modernization re platform re engineering programs Ability to perform impact ...

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 ...

Collabera

SAS Programmer

Lake Bluff, IL

... and Mainframe applications. Interprets process, data modules, and business requirements into ... and system documentation; conduct program and system implementation; maintain application ...

Broadcom

Support Engineer - Mainframe

Lisle, IL

Continually expands knowledge of Broadcom Support best practices, procedures and systems. * Lead ... Share knowledge with other engineers and customers by following KCS methodology and process. Enable ...

Broadcom

R&D SW Engineer

Lisle, IL

We are looking for a seasoned Software Engineer who has navigated complex production mainframe ... SMF (System Management Facility) records * Experience with mainframe debugging tools (XDC, IPCS ...

Kyndryl

Mainframe z/VM & Linux

Chicago, IL

The Role We are seeking an experienced Mainframe z/VM & Linux Engineer to support IBM Z ... Apply system maintenance: * RSUs, PTFs, APARs, and service updates * Perform system IPLs and ...

Capgemini

Mainframe Application SME

Chicago, IL · On-site

... and system dependencies Capability to assess impact of changes across applications Incident ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

United Airlines

Mainframe Application SME

Chicago, IL · On-site +1

... and system dependencies Capability to assess impact of changes across applications Incident ... engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data ...

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All JobsMainframe System Programmer JobsMainframe System Programmer Jobs in Chicago, IL

Mainframe System Programmer information

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How much do mainframe system programmer jobs pay per hour?

As of Jul 14, 2026, the average hourly pay for mainframe system programmer in Chicago, IL is $59.98, according to ZipRecruiter salary data. Most workers in this role earn between $54.52 and $69.38 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a Mainframe System Programmer, and why are they important?

To thrive as a Mainframe System Programmer, you need deep knowledge of mainframe operating systems (such as z/OS), programming languages like COBOL or Assembler, and a degree in computer science or a related field. Familiarity with mainframe tools (e.g., IBM ISPF, JCL, SMP/E) and certifications such as IBM Certified System Programmer are typically required. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with IT teams. These skills are vital to ensure the stability, security, and efficiency of critical enterprise computing environments.

What are some common challenges Mainframe System Programmers face when supporting legacy systems?

Mainframe System Programmers often encounter challenges such as integrating modern applications with legacy mainframe environments, ensuring system security while maintaining uptime, and troubleshooting complex issues that span both old and new technologies. They may also face difficulties due to limited documentation or retiring expertise as experienced colleagues leave the workforce. Staying current with evolving mainframe tools and best practices helps address these challenges and keeps systems running smoothly.

What is the difference between Mainframe System Programmer vs Mainframe Application Developer?

AspectMainframe System ProgrammerMainframe Application Developer
Required CredentialsCertifications in mainframe systems, such as IBM Certified System ProgrammerProgramming certifications, often in COBOL, Java, or other languages
Work EnvironmentOperate primarily on mainframe hardware, focus on system setup and maintenanceDevelop and modify applications running on mainframes
Employer & Industry UsageUsed by organizations with large-scale legacy systems, banking, insuranceDevelops business applications for mainframe environments in similar industries

While both roles work within mainframe environments, Mainframe System Programmers focus on system setup, maintenance, and optimization, whereas Mainframe Application Developers concentrate on creating and updating applications that run on mainframes. Understanding these differences helps in choosing the right career path or job search focus.

What are mainframe system programmers?

Mainframe system programmers are IT professionals who specialize in installing, configuring, maintaining, and optimizing mainframe computer systems. They are responsible for the underlying software infrastructure, such as operating systems (like IBM z/OS), network configurations, and middleware. Their work ensures that mainframe environments run efficiently, securely, and with minimal downtime, supporting critical applications for large organizations. System programmers also troubleshoot complex issues and implement updates or enhancements as needed.
What are popular job titles related to Mainframe System Programmer jobs in Chicago, IL? For Mainframe System Programmer jobs in Chicago, IL, the most frequently searched job titles are:
What job categories do people searching Mainframe System Programmer jobs in Chicago, IL look for? The top searched job categories for Mainframe System Programmer jobs in Chicago, IL are:
Mainframe System Programmer jobs near you
Infographic showing various Mainframe System Programmer job openings in Chicago, IL as of July 2026, with employment types broken down into 16% Locum Tenens, 71% Full Time, 5% Part Time, 6% Contract, and 2% Summer. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $124,753 per year, or $60 per hour.
z/OS Systems Programmer

z/OS Systems Programmer

Sonoma Consulting Inc.

Glenview, IL

Full-time

Re-posted yesterday

Job description

Company Description

Sonoma Consulting is one of the fastest growing Global IT Consulting and Executive Search providers with offices in Naperville IL; Chicago IL; Tyson's Corner VA and Hyderabad India. 

Our clients range from start-ups to Fortune 500 companies throughout the world. We look to our large recruiting team to continue to build upon the high standards we have set and ways to continually improve our recruiting process around the speed and quality of the resources we deliver. The Sonoma team prides itself on best model for delivery of IT Resources in a 24/7 model, our high level of professionalism and integrity which enables us to create long-term, meaningful relationships with our clients. 

Job Description
The Systems Programmer ensures the availability and efficient operation of the mainframe z/OS operating system, related hardware and software.  Secondary responsibilities include storage administration and disaster recovery team member.  Background in Linux systems and networking a plus.  High personal standards required for consistent and reliable system software installations and maintenance.  Attention to detail is necessary in order to provide quality business systems on select enterprise platforms.  Accuracy is a requirement.
Responsibilities:
    Ensure consistent availability and operation of client's business computer systems.
    Specialization in TCPIP, VTAM, and HCD, as well as z/OS upgrades.
    Install, upgrade, maintain, and customize all z/OS system software.
    Develop, test and maintain the business interruption and resumption procedures necessary for Disaster Recovery.
    Manage dfSMS, dfHSM, and FDR/ABR in support of the Storage Administrator.
    Manage mainframe software in SMP/E.
    Coordinate hardware configuration changes


Qualifications
    IBM program products;  JES2, ICF, SMP/E, IPCS, TSO/E, ISPF, SDSF, JCL, HCD, VTAM, TCP/IP,  EREP, RACF, DFSORT, CICS, DB2, IMS, and  IRLM.
    OEM program products; Dumpmaster, Insync, GRS, PDSMAN, PRO/SMS, DSSI, TMON, CA-1, MVS/Quick-Ref, SMFUTIL, JMR, JQP, VVP
    Redhat or Suse Linux, VI editor, Bash shell scripting
    XEROX Mainframe-attached Laser Printers; Forms design and maintenance of descriptor language.
    Codes: Assembler, CLIST/REXX Excellent written and verbal communication skills.
    Background includes Computer Operations support, standards and procedures design/implementation.
Additional Information

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

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About Sonoma Consult

Sourced by ZipRecruiter

Sonoma Consult is a California based C corporation helping companies bring products to the patient by working closely with the engineering teams and the clinicians. Our goal, no matter what stage of product development, is to create and execute a plan of action to move the product through the appropriate clinical and regulatory steps. Sonoma Consult works cohesively with the engineers and physicians to translate technologies to the clinic. Our goal is to help you get the very best product to the clinic and to the market. This includes planning, execution and ensuring critical data is delivered in the right format to ensure the feedback loop to the design team ultimately delivers the most advanced technology to the patient.

Industry

Business management consulting

Company size

1 - 10 Employees

Headquarters location

Sonoma, CA, US

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