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Mainframe Development Jobs in Illinois (NOW HIRING)

United Airlines

Mainframe Developer

Chicago, IL · On-site

$90K - $96K/yr

Able to act as a key contributor in a complex environment, lead the activities of a team for software design and software development. Acts proactively to understand internalorexternal client needs ...

Capgemini

Mainframe Developer

Chicago, IL · On-site

$90K - $96K/yr

Design/Develop/Support Health Applications using Mainframe technologies ... Should have experience of both development and production support * Hands on SAS, REXX, JCL, Sort

Capgemini

Cobol Developer

Chicago, IL · On-site

$90K - $118K/yr

Required Skills7+ years of experience in Mainframe Development.Strong hands-on experience with:COBOLJCLVSAMDB2Flat file processingCOBOL Copybooks (including multiple redefined copybooks)Experience ...

Capgemini

Cobol Developer

Chicago, IL · On-site

$90K - $118K/yr

Required Skills * 7+ years of experience in Mainframe Development. * Strong hands-on experience with: * COBOL * JCL * VSAM * DB2 * Flat file processing * COBOL Copybooks (including multiple redefined ...

United Airlines

Cobol Developer

Chicago, IL · On-site

$90K - $118K/yr

Required Skills * 7+ years of experience in Mainframe Development. * Strong hands-on experience with: * COBOL * JCL * VSAM * DB2 * Flat file processing * COBOL Copybooks (including multiple redefined ...

Morgan Stanley

Mainframe CICS Systems Engineer

Chicago, IL

$50.50 - $65/hr

ETS provides capabilities for all stages of Morgan Stanley's software development lifecycle ... The Mainframe CICS Systems Programmer/Engineer is responsible for all phases of CICS engineering ...

eTeam

PL/I, IMDB & DB2 Developer

Bloomington, IL · On-site

$46.75 - $60/hr

... 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 • ...

krg technology inc

Mainframe CICS and MQ

Chicago, IL · On-site

$50.50 - $65/hr

Support for application development and testing, and for the analysis and resolution of problems ... Additional Information Strong experience in Mainframe CICS and MQ

Staffingine LLC

Tandem Developer

Rolling Meadows, IL · On-site

$49.25 - $63.25/hr

Minimum 5 years of experience in Tandem development and analysis * Experience in insurance claims handling or related industries is a plus Skills * Mandatory Skills : CICS,JCL,Mainframe Enterprise ...

Huntington

RACF Mainframe Security Engineer

Chicago, IL · On-site +1

$70K - $140K/yr

The RACF Mainframe Security Engineer is accountable for delivery and implementation of IAM ... Foster a culture of continuous learning, skill development, and collaboration within the Role ...

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Mainframe Development information

What is the difference between Mainframe Development vs Mainframe Testing?

AspectMainframe DevelopmentMainframe Testing
Primary FocusDesigning, coding, and maintaining mainframe applicationsVerifying and validating mainframe applications for bugs and performance
Required SkillsCOBOL, JCL, DB2, CICSTesting tools, scripting, debugging, knowledge of mainframe environments
Work EnvironmentDevelopment teams, coding in mainframe environmentsQuality assurance teams, testing labs, mainframe systems
CertificationsCOBOL certifications, IBM mainframe certificationsISTQB, mainframe testing certifications

While Mainframe Development involves creating and maintaining mainframe applications, Mainframe Testing focuses on ensuring those applications work correctly and efficiently. Both roles require knowledge of mainframe environments and related skills, but they serve different stages in the software lifecycle.

Is mainframe development a good career?

Mainframe development is a stable career with high demand in industries like finance and government that rely on legacy systems. It requires knowledge of languages such as COBOL and tools like JCL, and often offers competitive salaries and job security due to the specialized skills involved.

Is mainframe development still in demand?

Mainframe development remains in demand in industries such as finance, government, and healthcare that rely on legacy systems for critical operations. Skilled mainframe developers with knowledge of COBOL, JCL, and mainframe environments are sought after to maintain and modernize these systems, ensuring their continued relevance in enterprise IT infrastructure.

What does a mainframe developer do?

A mainframe developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work in environments that require high reliability and security, and typically collaborate with system administrators and analysts to ensure smooth operation of enterprise systems.

What cities in Illinois are hiring for Mainframe Development jobs?

Cities in Illinois with the most Mainframe Development job openings:

Mainframe Development jobs near you
Infographic showing various Mainframe Development job openings in Illinois as of August 2026, with employment types broken down into 1% As Needed, 66% Full Time, 27% Part Time, and 6% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Mainframe Production Support Analyst

Schaumburg, IL • On-site

CYNET SYSTEMS
IT Services • 501 - 1,000 employees
Learn more about CYNET SYSTEMSexternal

$65 - $70/hr

Contractor

Re-posted 20 days ago

Job description

Job Overview:

Pay Range: $65hr - $70hr

Requirement/Must Have:

  • Proficiency in IBM Mainframe technology and cross-platform scheduling software such as Control-M, CA7, or OpCon.
  • 1+ years of experience in providing L1 production support for batch operations comprising IBM Mainframe, Windows, and Unix environments.
  • Familiarity with IT Service Management tools like ServiceNow.

Responsibilities:

  • Monitor and manage complex daily production cycles.
  • Perform incident triage being the primary point of contact for system alerts, server notifications, and job abends.
  • Analyze system logs, console messages, and abend codes to perform corrective actions.
  • Execute JCL modifications, update dataset versions, and perform step-specific restarts as directed.
  • Manage the end-to-end incident lifecycle by documenting all failures, root causes, and resolutions.
  • Escalate complex code or data issues to specialized development teams.
  • Collaborate with different teams to drive incident resolution.
  • Handle calls from technical staff, vendors, and internal business partners to perform requested batch operations.
  • Participate in technical bridge calls to facilitate communication during P1/P2 incidents.
  • Adhere to strict Service Level Agreements.
  • Willingness to work in a 24/7 operational environment, including rotating shifts, nights, and weekends.
 

Founded in 2010 and headquartered in the Washington, DC metro area, Cynet Systems Inc. is a leading staffing and recruiting powerhouse. Proudly recognized as a nationally and locally certified diversity firm, Cynet delivers agile, scalable talent solutions across industries. With an active footprint in all 50 U.S. states and Canada, we support thousands of consultants through our expansive, high-performing recruitment engine operating across North America and Asia—ensuring speed, quality, and consistency in every hire.
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About Cynet Systems

Sourced by ZipRecruiter

Cynet Systems Inc is a staffing and recruiting corporation nestled in Ashburn, VA, USA. Established in 2010, the company operates within the Information Technology and Services sector, specializing in providing effective workforce solutions to different business needs, including IT consulting, direct hire, and contract staffing services. Through the years, Cynet Systems has built an impressive portfolio, going beyond borders and expanding its operations internationally in Canada and India. Rooted in its core values of teamwork, leadership, and commitment, Cynet Systems helps businesses unlock their full potential by providing versatile and competent professionals that perfectly align with their needs. Fueled by their unwavering mission to deliver top-tier talent to businesses worldwide, Cynet Systems garnered various recognitions including SIA's fastest-growing staffing firms and Best Place to Work in Virginia for 2019.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Sterling, VA, US

Year founded

2010

Social media

Twitter

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