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Cards Mainframe Developer

eTeam Inc.

Chicago, IL

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JOB DETAILS
SALARY
$35–$40 Per Hour
SKILLS
Agile Programming Methodologies, Analysis Skills, Automation, Banking Services, Business Support, Cobol Programming Language, Continuous Deployment/Delivery, Continuous Integration, Cross-Functional, Database Optimization, Debugging Skills, DevOps, Documentation, Financial Services, Git, Home Automation, IBM CICS (Customer Information Control System), IBM DB2, IP Multimedia System (IMS), Identify Issues, JCL (Job Control Language), Java, Linux Operating System, Mainframe Computer, MySQL, Oracle Database, Oracle PL-SQL, Performance Management, Performance Tuning/Optimization, Problem Solving Skills, Production Support, Production Systems, Python Programming/Scripting Language, Quality Assurance, Query Optimization, Relational Databases (RDBMS), Requirements Management, Root Cause Analysis, SQL (Structured Query Language), Scripting (Scripting Languages), Software Administration, Software Development, System Integration (SI), Systems Administration/Management, Technical Writing, Test Plan/Schedule, Testing, Unix Operating Systems, Unix Shell Programming
LOCATION
Chicago, IL
POSTED
9 days ago

Role Name: Cards Mainframe Developer
Location: Chicago
.
JOB DESCRIPTION:
Job Description: Mainframe Developer (4 to 8 Years Experience)

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 the Company

e

eTeam Inc.

Looking for a great job? Join eTeam. We’re looking for talented staffing professionals to join our staff. We also provide contract assignments and full-time jobs at Fortune 2000 Companies. We’ve been named one of the best companies to work for by Staffing Industry Analysts and New Jersey Business.
COMPANY SIZE
100 to 499 employees
INDUSTRY
Other/Not Classified
FOUNDED
1998
WEBSITE
www.eteaminc.com

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