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Mainframe Jobs in Bloomington, IL (NOW HIRING)

DB2 Mainframe Developer

Bloomington, IL · On-site

$45 - $50/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

Experience with Mainframe technologies including PL/1, IMSDB, DB2, and JCL. * Strong understanding of Health Insurance (Individual/Non-Group). * Experience in both development and production support ...

Mainframe/Cobol developer

Bloomington, IL

$47 - $60.50/hr

Mainframe/Cobol developer * Resource needed with industry knowledge/experience of IBM's Rational Asset Analyzer (RAA) tool. * Preferable, but not mandatory is additional knowledge/experience of ...

PL/I, IMDB & DB2 Developer

Bloomington, IL · On-site

$46.75 - $60/hr

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

AI Machine Learning Engineer

Bloomington, IL · Remote

$50 - $70/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

The ideal candidate combines hands-on AI/ML development experience with a strong understanding of legacy environments, particularly mainframe and Micro Focus COBOL ecosystems. They will support and ...

Sr. Finance Assistant

Bloomington, IL · Hybrid

  • Medical

  • Dental

  • Vision

  • Retirement

Experience with Rumba Host/Mainframe, Coupa, Control D, Adobe, Microsoft Suite (Word, Excel, Outlook, Teams) * Prior experience in payments, payroll operations, banking operations, ACH, or ...

Mainframe information

See Bloomington, IL salary details

$9

$51

$69

How much do mainframe jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for mainframe in Bloomington, IL is $51.20, according to ZipRecruiter salary data. Most workers in this role earn between $45.19 and $58.12 per hour, depending on experience, location, and employer.

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 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.

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.

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, skills in system maintenance, and certifications such as IBM Certified System Programmer. It offers stable employment opportunities and competitive salaries due to the specialized skill set involved.

What are the most commonly searched types of Mainframe jobs in Bloomington, IL?

The most popular types of Mainframe jobs in Bloomington, IL are:

What are popular job titles related to Mainframe jobs in Bloomington, IL?

For Mainframe jobs in Bloomington, IL, the most frequently searched job titles are:

What job categories do people searching Mainframe jobs in Bloomington, IL look for?

The top searched job categories for Mainframe jobs in Bloomington, IL are:

What cities near Bloomington, IL are hiring for Mainframe jobs?

Cities near Bloomington, IL with the most Mainframe job openings:

Infographic showing various Mainframe job openings in Bloomington, IL as of August 2026, with employment types broken down into 50% Full Time, 2% Temporary, and 48% Contract. Highlights an 85% In-person, and 15% Remote job distribution, with an average salary of $106,500 per year, or $51.2 per hour.

Mainframe PL/I Developer

New York Technology Partners

Bloomington, IL • On-site

$46.50 - $59.75/hr

Other

This job post has expired today. Applications are no longer accepted.


Job description

JOB DESCRIPTION:

We have a PL/I, IMDB & DB2 Developer requirement to fulfill. The associate needs to have Health Insurance specific knowledge as well along with Mainframe technologies i.e., PL/I, IMSDB, Db2 & Cobol, SAS, JCL . Please find below the job description and skills needed.
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 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, CICD, Pipeline etc.
AWS cloud awareness & AI capabilities is a plus.