Cards Mainframe Developer
Job Location:
Job Location:
Chicago, IL - USA
Monthly Salary:
Not Disclosed
Monthly Salary:
Posted on:
4 hours ago
Posted on:
Vacancies:
1 Vacancy
Vacancies:
Job Summary
Job Title: Cards Mainframe Developer
Location: Chicago IL
Position Type: Contract
Duration: 6 / 12 Month
Work Type: Onsite
Rate: Pay range offered to a successful candidate will be based on several factors including the candidates education work experience work location specific job duties certifications etc.
Job Description:
We are looking for an experienced Mainframe Developer with strong expertise in COBOL JCL DB2 VSAM and Unix Shell Scripting.
The ideal candidate will be responsible for developing supporting and optimizing mainframe applications building automation scripts managing backend integration workflows and ensuring reliability across production and batch systems.
This role requires strong technical skills problem-solving capabilities and the ability to work effectively with cross-functional teams.
Key Responsibilities
Mainframe Development & Support
Develop enhance and maintain applications using COBOL JCL VSAM and DB2.
Troubleshoot debug and resolve mainframe application issues across development testing and production environments.
Optimize JCL COBOL programs and DB2 queries to improve system performance and efficiency.
Support daily batch processing ensure job success and resolve job abends promptly.
Unix Shell Scripting & Backend Integration
Develop and maintain Unix/Linux Shell Scripts for automation batch scheduling and system integrations.
Ensure seamless integration between Unix-based automation and mainframe backend systems.
Troubleshoot and enhance existing scripts improving stability and execution performance.
Database & PL/SQL Development
Develop and maintain PL/SQL procedures functions packages and triggers.
Perform SQL tuning and optimize database queries for performance.
Integrate shell scripts with relational databases (Oracle DB2 MySQL or similar).
Production Support & Performance Optimization
Monitor scheduled jobs resolve production incidents and ensure overall batch stability.
Conduct root-cause analysis (RCA) and implement permanent fixes.
Enhance performance of scripts jobs and database queries through continuous tuning.
Collaboration & Documentation
Work closely with stakeholders to gather requirements and translate them into scalable solutions.
Participate in Agile ceremonies and collaborate with QA business and support teams.
Create and maintain technical documentation including design specs support guides and system documentation.
Required Technical Skills
Strong hands-on experience in Mainframe technologies: COBOL JCL VSAM DB2.
Solid expertise in Unix/Linux Shell Scripting.
Strong SQL and PL/SQL skills (procedures functions triggers packages).
Experience integrating shell scripts with relational databases.
Strong debugging analytical and problem-solving skills.
Good understanding of batch processing and automation workflows.
Ability to work independently and collaboratively within a team.
Preferred / Good to Have
Experience in banking cards or financial services domains.
Experience with ticketing tools and production support processes.
Familiarity with Git CI/CD pipelines or DevOps practices.
Knowledge of Python or Java for extended automation or backend integrations.
Additional mainframe skills such as:
o COBOL PL/I Assembler C/C
o CICS IMS and system administration on DB2/CICS/IMS
o REXX scripting for automation and migration tasks
Strong troubleshooting skills for IBM mainframe product-related issues.
We are looking for an experienced Mainframe Developer with strong expertise in COBOL JCL DB2 VSAM and Unix Shell Scripting.
The ideal candidate will be responsible for developing supporting and optimizing mainframe applications building automation scripts managing backend integration workflows and ensuring reliability across production and batch systems.
This role requires strong technical skills problem-solving capabilities and the ability to work effectively with cross-functional teams.
Key Responsibilities
Mainframe Development & Support
Develop enhance and maintain applications using COBOL JCL VSAM and DB2.
Troubleshoot debug and resolve mainframe application issues across development testing and production environments.
Optimize JCL COBOL programs and DB2 queries to improve system performance and efficiency.
Support daily batch processing ensure job success and resolve job abends promptly.
Unix Shell Scripting & Backend Integration
Develop and maintain Unix/Linux Shell Scripts for automation batch scheduling and system integrations.
Ensure seamless integration between Unix-based automation and mainframe backend systems.
Troubleshoot and enhance existing scripts improving stability and execution performance.
Database & PL/SQL Development
Develop and maintain PL/SQL procedures functions packages and triggers.
Perform SQL tuning and optimize database queries for performance.
Integrate shell scripts with relational databases (Oracle DB2 MySQL or similar).
Production Support & Performance Optimization
Monitor scheduled jobs resolve production incidents and ensure overall batch stability.
Conduct root-cause analysis (RCA) and implement permanent fixes.
Enhance performance of scripts jobs and database queries through continuous tuning.
Collaboration & Documentation
Work closely with stakeholders to gather requirements and translate them into scalable solutions.
Participate in Agile ceremonies and collaborate with QA business and support teams.
Create and maintain technical documentation including design specs support guides and system documentation.
Required Technical Skills
Strong hands-on experience in Mainframe technologies: COBOL JCL VSAM DB2.
Solid expertise in Unix/Linux Shell Scripting.
Strong SQL and PL/SQL skills (procedures functions triggers packages).
Experience integrating shell scripts with relational databases.
Strong debugging analytical and problem-solving skills.
Good understanding of batch processing and automation workflows.
Ability to work independently and collaboratively within a team.
Preferred / Good to Have
Experience in banking cards or financial services domains.
Experience with ticketing tools and production support processes.
Familiarity with Git CI/CD pipelines or DevOps practices.
Knowledge of Python or Java for extended automation or backend integrations.
Additional mainframe skills such as:
o COBOL PL/I Assembler C/C
o CICS IMS and system administration on DB2/CICS/IMS
o REXX scripting for automation and migration tasks
Strong troubleshooting skills for IBM mainframe product-related issues.
ABOUT Ztek:
Ztek Consulting Inc is a minority- and woman-owned business enterprise that leverages a unique blend of human talent machine learning algorithms and artificial intelligence to provide customized talent management solutions for clients. Zteks diversity-focused hiring models have proven successful particularly in hiring veterans. The companys veteran-focused hiring and deployment program Z-V.E.T matches skilled veterans with clients needs in various areas.
Disclaimer:
Ztek is an Equal Opportunity Employer and prohibits any kind of unlawful discrimination and harassment. Ztek is committed to the principle of equal employment opportunity for all employees and to providing employees with a work environment free of discrimination and harassment on the basis of race color religion or belief national origin citizenship social or ethnic origin sex age physical or mental disability veteran status marital status domestic partner status sexual orientation or any other status protected by the statutes rules and regulations in the locations where it operates. If you are an individual with a disability and need a reasonable accommodation to assist with your job search or application for employment please contact us at Please indicate the specifics of the assistance needed. Ztek encourages all interested and qualified candidates to apply for employment opportunities. Ztek does not discriminate against applicants based on citizenship status immigration status or national origin in accordance with 8 U.S.C. 1324b.
