> Markdown version of [/jobs/ext/195185-cards-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/195185-cards-mainframe-developer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cards Mainframe Developer - **Company:** Capgemini - **Location:** Riverwoods, IL, United States - **Salary:** $51,917.0 - $81,141.0 - **Contract:** Temporary contract - **Skills:** Java (Programming Language), Agile Methodology, Batch Processing, Unix, Customer Information Control System (CICS), COBOL (Programming Language), Software Documentation, Databases, Continuous Integration, IBM DB2, Relational Databases, Database Queries, Software Debugging, Linux, DevOps, Job Control Language (JCL), IBM Mainframe, Rexx (Programming Language), Python (Programming Language), Unix Shell, Mainframes, MySQL, Oracle Databases, Performance Tuning, Query Optimization, Standard Sql, Shell Script, PL-SQL, SQL Databases, Systems Integration, Virtual Storage Access Methods, DB2UDB, Backend, Git, Enterprise Integration, Sql Tuning - **Published:** May 30, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=3fb1e514fddd295e ## About the Role Do you have experience in UNIX?, 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, * Strong hands-on experience in Mainframe technologies COBOL JCL VSAM DB2 * Solid expertise in Unix/Linux Shell Scripting * Strong SQL and PLSQL 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 CICD pipelines or DevOps practices * Knowledge of Python or Java for extended automation or backend integrations Additional mainframe skills such as: * COBOL PLI Assembler CC * CICS IMS and system administration on DB2CICSIMS * REXX scripting for automation and migration tasks * Strong troubleshooting skills for IBM mainframe product related issues ## Description cobol SQL DevOps & CI/CD java Linux/ Unix Mainframe Technologies Scripting & Automation problem - solving analytical skills query optimization oracle database, 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 Unixbased automation and mainframe backend systems * Troubleshoot and enhance existing scripts improving stability and execution performance Database PLSQL Development: * Develop and maintain PLSQL 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 ## Related Videos - [MySQL Protocol Features You Should Be Aware Of](https://www.wearedevelopers.com/videos/100267-mysql-protocol-features-you-should-be-aware-of) - [WeAreDevelopers LIVE - Node and Package Security](https://www.wearedevelopers.com/videos/2138-wearedevelopers-live-node-and-package-security) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Branch your database like your code: How schema changes and pull requests go hand in hand](https://www.wearedevelopers.com/videos/350-branch-your-database-like-your-code-how-schema-changes-and-pull-requests-go-hand-in-hand) - [Coding for Good: Achieving social change with an app](https://www.wearedevelopers.com/videos/1645-coding-for-good-achieving-social-change-with-an-app) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [The 10 C++ programming questions to expect in an interview](https://www.wearedevelopers.com/magazine/50-the-10-c-programming-questions-to-expect-in-an-interview) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)