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Mainframe Application Development Jobs in Illinois

CYNET SYSTEMS

Mainframe Developer

Riverwoods, IL · On-site

$35 - $40/hr

Experience in mainframe application development and support (COBOL, JCL, DB2). * Experience in Unix/Linux scripting and backend integration. * Experience in production support and performance ...

Capgemini

Mainframe Developer - Onsite Chicago, IL

Chicago, IL · On-site

$50.50 - $65/hr

Key Responsibilities Mainframe Development & Support • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2. • Troubleshoot, debug, and resolve mainframe application issues ...

Broadcom

Sr Mainframe Technical Consultant

Lisle, IL · On-site

Maintain a deep technical knowledge of the products developed by the mainframe division of Broadcom ... Application Tuner, Common Services, etc. Ability to script or code a quick implementation to solve ...

Seven Seven Software

Mainframe Developer

Chicago, IL · On-site

$50.50 - $65/hr

Minimum seven years of mainframe applications development and production support work experience * Solid application design, coding, testing, maintenance and debugging skills * Proficient with the ...

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

United Airlines

Managing Project Manager

Chicago, IL · On-site

$88K - $207K/yr

Experienced in Assessment and Strategy Development by evaluating mainframe application landscape, identifying legacy systems, and analyzing their technical debt. * Defining a comprehensive ...

Capgemini

Managing Project Manager

Chicago, IL · On-site

$88K - $207K/yr

Experienced in Assessment and Strategy Development by evaluating mainframe application landscape, identifying legacy systems, and analyzing their technical debt. * Defining a comprehensive ...

360 IT Professionals

Java/J2EE Architect

Chicago, IL

$65 - $87.50/hr

... application development. We are emerging as one of the largest private talent sourcing and ... between mainframe application systems and various IBM and Microsoft Server Operation Systems ...

Atria Group LLC

Mainframe/Cobol developer

Bloomington, IL

$47 - $60.50/hr

Our company provides application analysis, design, development and programming, software ... Mainframe/Cobol developer * Resource needed with industry knowledge/experience of IBM's Rational ...

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Mainframe Application Development information

What is the difference between Mainframe Application Development vs Mainframe Systems Analyst?

AspectMainframe Application DevelopmentMainframe Systems Analyst
Primary RoleDesigning, coding, and testing mainframe applicationsAnalyzing, designing, and supporting mainframe systems and processes
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe developmentCOBOL, JCL, system analysis, certifications in systems analysis
Work EnvironmentDevelopment teams, coding environments, project-basedOperations teams, system support, troubleshooting
Industry UsageFinancial services, insurance, government agenciesFinancial institutions, healthcare, government agencies

While both roles work within mainframe environments, Mainframe Application Developers focus on creating and maintaining applications, whereas Mainframe Systems Analysts analyze and support existing systems and processes. Both roles require similar skills and certifications but serve different functions within mainframe operations.

What are popular job titles related to Mainframe Application Development jobs in Illinois? For Mainframe Application Development jobs in Illinois, the most frequently searched job titles are:
What job categories do people searching Mainframe Application Development jobs in Illinois look for? The top searched job categories for Mainframe Application Development jobs in Illinois are:
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Mainframe Application Development jobs near you
Mainframe Developer

Mainframe Developer

CYNET SYSTEMS

Riverwoods, IL • On-site

$35 - $40/hr

Contractor

Posted 12 days ago

Job description

Job Overview:
 
Pay Range: $35hr - $40hr
  • The Mainframe Developer will be responsible for developing, enhancing, and maintaining mainframe applications along with supporting batch processing, production stability, and system integrations. 
  • The role involves working across COBOL, JCL, DB2, and Unix/Linux environments while ensuring system performance, reliability, and seamless backend integration. The position also includes production support, troubleshooting, and collaboration with cross-functional teams.

Requirement/Must Have:

  • Strong hands-on experience in COBOL, JCL, VSAM, and DB2.
  • Strong Unix/Linux shell scripting experience.
  • Strong SQL and PL/SQL development skills.
  • Experience in batch processing and job scheduling environments.
  • Strong debugging, troubleshooting, and root cause analysis skills.
  • Experience integrating scripts with relational databases.
  • Ability to support production environments and resolve job abends.
  • Strong analytical and problem-solving skills.
  • Ability to work independently and in a team environment.

Experience:

  • Experience in mainframe application development and support (COBOL, JCL, DB2).
  • Experience in Unix/Linux scripting and backend integration.
  • Experience in production support and performance optimization.
  • Experience working in batch processing environments.
  • Banking, cards, or financial services domain experience preferred.
  • Experience with CI/CD, Git, or DevOps practices preferred.

Responsibilities:

  • Develop, enhance, and maintain applications using COBOL, JCL, VSAM, and DB2.
  • Debug and resolve mainframe application issues across development, testing, and production environments.
  • Optimize COBOL programs, JCL, and DB2 queries for performance and efficiency.
  • Support daily batch processing and resolve job abends promptly.
  • Develop and maintain Unix/Linux shell scripts for automation and system integration.
  • Ensure seamless integration between Unix-based automation and mainframe systems.
  • Troubleshoot and enhance existing scripts for stability and performance improvements.
  • Develop and maintain PL/SQL procedures, functions, packages, and triggers.
  • Perform SQL tuning and optimize database performance.
  • Monitor scheduled jobs and resolve production incidents.
  • Perform root cause analysis and implement permanent fixes.
  • Improve performance of scripts, jobs, and database queries through continuous tuning.
  • Collaborate with stakeholders to gather requirements and deliver scalable solutions.
  • Participate in Agile ceremonies and cross-functional collaboration.
  • Prepare and maintain technical documentation including design and support documents.

Should Have:

  • Strong analytical and debugging skills.
  • Good understanding of batch processing and automation workflows.
  • Ability to manage production support responsibilities.
  • Strong collaboration and communication skills.
  • Experience in fast-paced enterprise environments.

Skills:

  • COBOL, JCL, VSAM, DB2.
  • Unix/Linux shell scripting.
  • SQL and PL/SQL development.
  • Batch processing and job scheduling.
  • Production support and incident management.
  • Performance tuning and optimization.
  • Root cause analysis.
  • Database integration.
  • DevOps tools (Git, CI/CD) preferred.
  • Additional: REXX, CICS, IMS, Assembler (nice to have).
 

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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