Demo

Cards Mainframe Developer

Cynet Systems
Chicago, IL Contractor
POSTED ON 4/18/2026
AVAILABLE BEFORE 5/18/2026
We are looking for Cards Mainframe Developer for our client in Chicago, IL
Job Title: Cards Mainframe Developer
Job Location: Chicago, IL
Job Type: Contract
Job Overview:
Pay Range: $40hr - $45hr
  • Develop, enhance, and maintain mainframe applications using COBOL, JCL, VSAM, and DB2.
  • Troubleshoot and resolve application issues across development, testing, and production environments.
  • Optimize COBOL programs, JCL jobs, and DB2 queries for improved performance.
  • Support daily batch processing, monitor job execution, and resolve job failures.
  • Develop and maintain Unix/Linux shell scripts for automation and system integration.
  • Ensure seamless integration between Unix-based automation and mainframe backend systems.
  • Enhance and troubleshoot existing scripts to improve stability and execution efficiency.
  • Develop and maintain database objects such as procedures, functions, packages, and triggers.
  • Perform SQL tuning and optimize database performance.
  • Monitor production systems, resolve incidents, and ensure batch stability.
  • Conduct root cause analysis and implement long-term fixes.
  • Collaborate with stakeholders to gather requirements and deliver scalable solutions.
  • Participate in Agile ceremonies and maintain technical documentation.

Requirement/Must Have:

  • Strong experience with COBOL, JCL, VSAM, and DB2.
  • Expertise in Unix/Linux shell scripting.
  • Strong SQL and PL/SQL development skills.
  • Experience with batch processing and automation workflows.

Experience:

  • Experience in mainframe development and production support.
  • Experience integrating shell scripts with relational databases.
  • Experience in debugging and performance optimization.

Responsibilities:

  • Maintain and enhance mainframe applications.
  • Support batch processing and production systems.
  • Optimize system performance and stability.
  • Collaborate with cross-functional teams.
  • Document technical solutions and processes.

Should Have:

  • Strong analytical and problem-solving skills.
  • Ability to work independently and in a team environment.
  • Experience in Agile methodologies.
  • Good communication and documentation skills.

Skills:

  • Mainframe technologies including COBOL, JCL, VSAM, DB2.
  • Unix/Linux shell scripting.
  • SQL and PL/SQL development.
  • Knowledge of CICS, IMS, and REXX scripting is a plus.
  • Familiarity with DevOps practices and tools is a plus.

Qualification And Education:

  • Bachelor s degree in Computer Science, Information Technology, or a related field or equivalent experience.

Salary : $40 - $45

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets
Employees: Get a Salary Increase
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at Cynet Systems

  • Cynet Systems Culpeper, VA
  • Company Description Headquartered in the Washington DC Metro area, Cynet Systems Inc has emerged as a leader in enabling other organizations, big and small... more
  • 14 Days Ago

  • Cynet Systems Fairfield, AL
  • Job Title: Structural Designer & Engineer (BIM) Job Location: Fairfield, AL Job Type: Contract Job Description: Requirements: 3–7 years in Structural Engin... more
  • 15 Days Ago

  • Cynet Systems Arizona, AZ
  • Join an award-winning organization that delivers world-class healthcare workforce solutions. Working within a vibrant and passionate team of recruitment an... more
  • 15 Days Ago

  • Cynet Systems Texas, TX
  • Join an award-winning organization that delivers world-class healthcare workforce solutions. Working within a vibrant and passionate team of recruitment an... more
  • 15 Days Ago


Not the job you're looking for? Here are some other Cards Mainframe Developer jobs in the Chicago, IL area that may be a better fit.

  • capgemini Chicago, IL
  • Mainframe Developer with 4-8 Years Experience We are looking for an experienced Mainframe Developer with strong expertise in COBOL JCL DB2 VSAM and Unix Sh... more
  • 1 Day Ago

  • Jobs via Dice Chicago, IL
  • Dice is the leading career destination for tech experts at every stage of their careers. Our client, Cynet Systems, is seeking the following. Apply via Dic... more
  • 1 Day Ago

AI Assistant is available now!

Feel free to start your new journey!