TMS LLC
Cards
MainframeDeveloper
Neural analysis suggests this role is
optimal for executive candidates.
“Mainframe Developer at TMS LLC. Skills: Mainframe, COBOL, JCL, DB2. Develop mainframe applications. Support mainframe applications”
What You'll Achieve.
Ensure job success; Resolve job abends promptly; Improve system performance; Improve system efficiency; Ensure seamless integration; Improve script stability; Improve script execution performance; Optimize database queries; Ensure overall batch stability; Implement permanent fixes; Enhance performance of scripts; Enhance performance of jobs; Enhance performance of database queries
Industry & Context.
Problem-solving capabilities; Troubleshoot; Debug; Root-cause analysis
What They're Looking For.
Must Have
Mainframe technologies: COBOL, JCL, VSAM, DB2, Unix/Linux Shell Scripting, SQL and PL/SQL skills, Experience integrating shell scripts with relational databases, debugging, analytical, and problem-solving skills, Good understanding of batch processing and automation workflows, Ability to work independently and collaboratively within a team
Nice 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, COBOL, PL/I, Assembler, C/C++, CICS, IMS, and system administration on DB2/CICS/IMS, REXX scripting for automation and migration tasks, troubleshooting skills for IBM mainframe product-related issues
What You'll Do.
Develop mainframe applications
Support mainframe applications
Optimize mainframe applications
Build automation scripts
Manage backend integration workflows
Ensure reliability across systems
Develop Unix/Linux Shell Scripts
Integrate Unix automation with mainframe
Develop PL/SQL procedures
Monitor scheduled jobs
Resolve production incidents
Translate requirements into solutions
Participate in Agile ceremonies
Create technical documentation
How You'll Work.
Team & Collaboration
Work effectively with cross-functional teams; Collaborate with QA teams; Collaborate with business teams; Collaborate with support teams; Collaborate within a team
Full Job Description
Role: Cards Mainframe Developer Duration: Long Term Location: Chicago, IL- 3 days Hybrid 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 & Docume
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