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Mainframe Jobs in Chicago, IL (NOW HIRING)

Mainframe Developer

Chicago, IL · On-site

$90K - $96K/yr

Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc. * Very good understanding of Health Insurance (Not Group Health Insurance) * Design/Develop/Support Health Applications ...

Mainframe Developer

Chicago, IL · On-site

$90K - $96K/yr

Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc. * Very good understanding of Health Insurance (Not Group Health Insurance) * Design/Develop/Support Health Applications ...

The Delivery Manager must have a strong understanding of IBM's Mainframe and ISV product portfolio The Manager should have expert consultative knowledge on a wide array of Mainframe technologies ...

Employee The primary role of the Mainframe System Security Engineer is to create, modify and maintain security access on internal and external userids and security rules access for mainframe systems.

Senior Mainframe DevOps Architect

Lisle, IL · On-site

$127K - $173K/yr

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 ...

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~

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Mainframe information

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$10

$55

$74

How much do mainframe jobs pay per hour?

As of Aug 10, 2026, the average hourly pay for mainframe 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 are the key skills and qualifications needed to thrive as a mainframe developer, and why are they important?

To excel as a Mainframe Developer, a strong background in COBOL, JCL, mainframe operating systems (like z/OS), and database management is essential, often supported by a degree in computer science or a related field. Familiarity with tools such as IBM DB2, CICS, VSAM, and mainframe version control systems is typically required, and certifications like IBM Certified System Programmer can be advantageous. Analytical thinking, problem-solving abilities, and effective communication are important soft skills for identifying issues and collaborating with cross-functional teams. These skills ensure reliable maintenance, development, and modernization of mission-critical legacy systems that support large-scale business operations.

Is mainframe still in demand?

Mainframe professionals are still in demand, especially in industries like finance, healthcare, and government that rely on large-scale, secure, and reliable data processing. Skills in COBOL, JCL, and mainframe security are valuable, and many organizations continue to maintain and upgrade their legacy systems, creating ongoing job opportunities for mainframe specialists.

Is mainframe a good career option?

Mainframe careers involve working with large-scale computer systems used by many organizations for critical applications. The role typically requires knowledge of programming languages like COBOL, system administration, and understanding of legacy systems, with steady demand in finance, government, and large enterprises. It can be a stable career with opportunities for specialization and certification but may require ongoing learning of evolving technologies.

What is a job in mainframe?

A mainframe job involves working with large-scale computer systems that handle critical applications and data processing for organizations. These roles typically require knowledge of mainframe operating systems like z/OS, programming skills in languages such as COBOL or JCL, and familiarity with mainframe hardware and security protocols.

What is a mainframe?

Mainframes are powerful computers used mainly by large organizations for critical applications, bulk data processing, large-scale transaction processing, and enterprise resource planning. They are known for their reliability, scalability, and security, making them essential for industries like banking, healthcare, and government. Mainframes can handle thousands of users and transactions simultaneously, supporting the core operations of many businesses.

What are some typical challenges faced by mainframe professionals when integrating legacy systems with modern technologies?

Mainframe professionals often encounter challenges when integrating legacy systems with newer technologies, such as ensuring data compatibility, managing security protocols, and minimizing downtime during migration. These tasks require a deep understanding of both the existing mainframe architecture and the modern platforms being introduced. Collaboration with cross-functional teams—including application developers, security specialists, and project managers—is essential to ensure seamless integration and to address potential issues proactively. Staying updated on the latest integration tools and best practices also helps in overcoming these challenges efficiently.

What is the difference between Mainframe vs Mainframe Developer?

AspectMainframeMainframe Developer
Primary RoleMaintains and manages mainframe hardware and systemsDesigns, develops, and tests mainframe applications
Skills & CertificationsKnowledge of mainframe hardware, OS, and basic scriptingProficiency in COBOL, JCL, and mainframe programming languages
Work EnvironmentData centers, enterprise IT departmentsDevelopment teams within mainframe environments
Industry UsageUsed by organizations with legacy systemsDevelops and maintains those legacy systems

While Mainframe professionals focus on maintaining the hardware and system infrastructure, Mainframe Developers specialize in creating and updating mainframe applications. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly within the same industry.

What are the most commonly searched types of Mainframe jobs in Chicago, IL? The most popular types of Mainframe jobs in Chicago, IL are:
What job categories do people searching Mainframe jobs in Chicago, IL look for? The top searched job categories for Mainframe jobs in Chicago, IL are:
What cities near Chicago, IL are hiring for Mainframe jobs? Cities near Chicago, IL with the most Mainframe job openings:
Infographic showing various Mainframe job openings in Chicago, IL as of August 2026, with employment types broken down into 37% Full Time, and 63% Contract. Highlights an 100% In-person job distribution, with an average salary of $114,463 per year, or $55 per hour.

Mainframe Developer

Capgemini

Chicago, IL • On-site

$90K - $96K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 12 days ago


Capgemini North America rating

7.7

Company rating: 7.7 out of 10

Based on 17 frontline employees who took The Breakroom Quiz

99th of 223 rated it services


Job description

Choosing Capgemini means choosing a company where you will be empowered to shape your career in the way you'd like, where you'll be supported and inspired by a collaborative community of colleagues around the world, and where you'll be able to reimagine what's possible. Join us and help the world's leading organizations unlock the value of technology and build a more sustainable, more inclusive world.
Location: Bloomington, IL
Job Description
Job Description
  • Experience with Mainframe technologies (Mainly PL/1, IMSDB, DB2, JCL) etc.
  • Very good understanding of Health Insurance (Not Group Health Insurance)
  • Design/Develop/Support Health Applications using Mainframe technologies
  • Should have experience of both development and production support
  • Hands on SAS, REXX, JCL, Sort
  • Debug using IDB IDZ
  • Able to push/deploy code using GIT
  • Experience on Agile
  • Coordinate activity between Product Owners/Business Units to drive open action items to closure
Skills
  • Very strong in PL/I, IMSDB, DB2, JCL, SORT (Exp 10+)
  • Well experienced in Health Insurance Applications development & support
  • Experience in working with COBOL, SAS, REXX, VSAM, other Mainframe technologies
  • Knowledge of Webservices, REST API, JSON, Message Queues (MQ)
  • Experience in scheduling tools like Control-M
  • Experience on Git, CI/CD, Pipeline etc.
  • AWS cloud awareness & AI capabilities is a plus

The base compensation range for this role in the posted location is: $90000 to $96665
Capgemini provides compensation range information in accordance with applicable national, state, provincial, and local pay transparency laws. The base compensation range listed for this position reflects the minimum and maximum target compensation Capgemini, in good faith, believes it may pay for the role at the time of this posting. This range may be subject to change as permitted by law.
The actual compensation offered to any candidate may fall outside of the posted range and will be determined based on multiple factors legally permitted in the applicable jurisdiction.
These may include, but are not limited to: Geographic location, Education and qualifications, Certifications and licenses, Relevant experience and skills, Seniority and performance, Market and business consideration, Internal pay equity.
It is not typical for candidates to be hired at or near the top of the posted compensation range.
In addition to base salary, this role may be eligible for additional compensation such as variable incentives, bonuses, or commissions, depending on the position and applicable laws.
Capgemini offers a comprehensive, non-negotiable benefits package to all regular, full-time employees. In the U.S. and Canada, available benefits are determined by local policy and eligibility and may include:
  • Paid time off based on employee grade (A-F), defined by policy: Vacation: 12-25 days, depending on grade, Company paid holidays, Personal Days, Sick Leave
  • Medical, dental, and vision coverage (or provincial healthcare coordination in Canada)
  • Retirement savings plans (e.g., 401(k) in the U.S., RRSP in Canada)
  • Life and disability insurance
  • Employee assistance programs
  • Other benefits as provided by local policy and eligibility

Important Notice: Compensation (including bonuses, commissions, or other forms of incentive pay) is not considered earned, vested, or payable until it becomes due under the terms of applicable plans or agreements and is subject to Capgemini's discretion, consistent with applicable laws. The Company reserves the right to amend or withdraw compensation programs at any time, within the limits of applicable legislation.
Disclaimers
Capgemini is an Equal Opportunity Employer encouraging inclusion in the workplace. Capgemini also participates in the Partnership Accreditation in Indigenous Relations (PAIR) program which supports meaningful engagement with Indigenous communities across Canada by promoting fairness, accessibility, inclusion and respect. We value the rich cultural heritage and contributions of Indigenous Peoples and actively work to create a welcoming and respectful environment. All qualified applicants will receive consideration for employment without regard to race, national origin, gender identity/expression, age, religion, disability, sexual orientation, genetics, veteran status, marital status or any other characteristic protected by law.
This is a general description of the Duties, Responsibilities and Qualifications required for this position. Physical, mental, sensory or environmental demands may be referenced in an attempt to communicate the manner in which this position traditionally is performed. Whenever necessary to provide individuals with disabilities an equal employment opportunity, Capgemini will consider reasonable accommodations that might involve varying job requirements and/or changing the way this job is performed, provided that such accommodation does not pose an undue hardship. Capgemini is committed to providing reasonable accommodation during our recruitment process. If you need assistance or accommodation, please reach out to your recruiting contact.
Please be aware that Capgemini may capture your image (video or screenshot) during the interview process and that image may be used for verification, including during the hiring and onboarding process.
Click the following link for more information on your rights as an Applicant in the United States. http://www.capgemini.com/resources/equal-employment-opportunity-is-the-law
Capgemini is a global business and technology transformation partner, helping organizations to accelerate their dual transition to a digital and sustainable world, while creating tangible impact for enterprises and society. It is a responsible and diverse group of 340,000 team members in more than 50 countries. With its strong over 55-year heritage, Capgemini is trusted by its clients to unlock the value of technology to address the entire breadth of their business needs. It delivers end-to-end services and solutions leveraging strengths from strategy and design to engineering, all fueled by its market leading capabilities in AI, generative AI, cloud and data, combined with its deep industry expertise and partner ecosystem.

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