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Mainframe Z Os System Programmer Jobs in Chicago, IL

US Bank

z/OS Systems Engineer

Chicago, IL · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

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 ...

DSNSearch

CICS/MQ Systems Programmer

Chicago, IL · Remote

$56.75 - $72/hr

CICS /MQ MAINFRAME SYSTEMS PROGRAMMER CICS ~~ MQ ~~ Z/OS MAINFRAME SYSTEMS ~~ SMP/E ~~ JES 2 ~~ CICSPLEX ~~ INFRASTRUCTURE REMOTE !!~~ REMOTE!! ~~~~FULL TIME WITH BENEFITS/ANNUAL BONUS OPPORTUNITY~

McMaster-Carr

Senior z/OS Platform Engineer

Chicago, IL

$235K - $310K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior z/OS Platform Engineer, you'll work on projects like: * Re-imagining our COBOL ... and efficiency of mainframe software and systems that bring value to customers. * Leverage ...

McMaster-Carr

Senior z/OS Platform Engineer

Chicago, IL · On-site

$235K - $310K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

As a Senior z/OS Platform Engineer, you'll work on projects like: * Re-imagining our COBOL ... and efficiency of mainframe software and systems that bring value to customers. * Leverage ...

Kyndryl

Mainframe z/VM & Linux

Chicago, IL

The Role We are seeking an experienced Mainframe z/VM & Linux Engineer to support IBM Z ... Strong troubleshooting skills across: * z/VM system issues * Linux OS performance and configuration ...

Broadcom

R&D SW Engineer

Lisle, IL · On-site

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... IBM z/OS mainframe environment * Mastery of REXX scripting - this is a core skill for this role, not optional * Demonstrated ability to parse, analyze, and act on SMF (System Management Facility ...

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 ...

US Bank

Principal Network Engineer z/OS

Chicago, IL

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Monitor, analyze, and resolve complex mainframe networking issues involving multiple protocols ... The E-Verify program is an Internet-based employment eligibility verification system operated by ...

krg technology inc

Mainframe network Admin

Chicago, IL · On-site

... z/OS mainframe network software. Configuration and administration of network related 3rd party system software. Provision of technical support for Mainframe Networking issues during the normal ...

Broadcom

R&D Engineer Software 3

Lisle, IL · On-site +1

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... or other mainframe products and systems is a plus. * Experience with online z/OS debugger is ... Bachelor's degree in Computer Science, Electrical Engineering or equivalent in a related field.

Huntington

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 ... Collaborate with Infrastructure, Cloud, Development, Middleware, and Vendor teams to ensure system ...

Huntington

Site Reliability Engineer

Chicago, IL

$58.75 - $78/hr

  • Medical

  • Life

  • Retirement

  • PTO

Support Mainframe technologies including z/OS, MVS, CICS, MQ, DB2, COBOL, JCL, TSO/ISPF, Easytrieve ... Collaborate with Infrastructure, Cloud, Development, Middleware, and Vendor teams to ensure system ...

Broadcom

Senior Mainframe DevOps Architect

Lisle, IL · On-site

$127K - $173K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Bachelor's degree in a technical discipline (Computer Science, Information Systems, or Engineering) combined with 8+ years of experience working with IBM mainframe environments (z/OS), with clear ...

Ensono

Expert Solution Delivery Architect

Downers Grove, IL · On-site

$62.75 - $82.75/hr

Familiarity with mainframe functional areas such as z/OS Operating System, Storage, Databases, CICS, and Disaster Recovery concepts. Ability to host meetings and conference calls. Must be self ...

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Mainframe Z Os System Programmer information

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 12, 2026, the average hourly pay for mainframe z os system programmer in Chicago, IL is $59.93, according to ZipRecruiter salary data. Most workers in this role earn between $54.47 and $69.33 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.
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Mainframe Z Os System Programmer jobs near you
Infographic showing various Mainframe Z Os System Programmer job openings in Chicago, IL as of August 2026, with employment types broken down into 1% As Needed, 83% Full Time, 13% Part Time, and 3% Contract. Highlights an 92% Physical, 2% Hybrid, and 6% Remote job distribution, with an average salary of $124,654 per year, or $59.9 per hour.

z/OS Systems Programmer

Sonoma Consulting Inc.

Glenview, IL • On-site

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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