> Markdown version of [/jobs/ext/1152155-job-description-mainframe-developer-banking-domain](https://www.wearedevelopers.com/jobs/ext/1152155-job-description-mainframe-developer-banking-domain). 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).

---

# Job Description - Mainframe Developer (Banking Domain)

- **Company:** Nexylum Global Llc
- **Location:** McLean, VA, United States
- **Contract:** Permanent contract
- **Skills:** Application Performance Management, Unit Testing, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Databases, IBM DB2, Endevor, Job Control Language (JCL), IBM Mainframe, Job Scheduling, Mainframes, Systems Development Life Cycle, SQL Databases, Virtual Storage Access Methods, Z/OS, Tso/ispf, File-aid, Git, Integration Tests, Software Version Control, Control M
- **Published:** July 1, 2026
- **Apply:** https://www.dice.com/job-detail/ac2f522b-9cc5-4631-9059-787470c63000

## About the Role

Mainframe Technologies

 * COBOL
 * JCL (Job Control Language)
 * CICS
 * DB2
 * VSAM
 * IMS (preferred)
 * TSO/ISPF
 * IBM z/OS
 * File-AID
 * Endevor, Changeman, or ISPW
 * SDSF
 * SPUFI

Database

 * DB2
 * SQL

Version Control

 * Endevor
 * Changeman
 * Git (preferred)

Scheduling Tools

 * CA-7
 * Control-M
 * OPC/TWS (preferred)

## Description

We are seeking an experienced Mainframe Developer with strong expertise in the Banking domain to design, develop, maintain, and support mission-critical mainframe applications. The ideal candidate should have hands-on experience with COBOL, JCL, DB2, CICS, VSAM, and IBM mainframe technologies, along with a solid understanding of banking processes such as deposits, loans, payments, cards, or core banking., * Design, develop, test, and maintain IBM Mainframe applications.

 * Analyze business and functional requirements and convert them into technical solutions.
 * Develop and enhance applications using COBOL, JCL, CICS, DB2, and VSAM.
 * Create and modify JCLs for batch processing and job scheduling.
 * Perform code reviews, unit testing, integration testing, and production support.
 * Troubleshoot production issues and perform root cause analysis.
 * Optimize application performance and improve batch processing efficiency.
 * Work with business analysts, QA teams, and stakeholders throughout the SDLC.
 * Participate in system upgrades, migrations, and application modernization initiatives.
 * Maintain technical documentation and follow development standards.


## Related Videos

- [Data Fabric in Action - How to enhance a Stock Trading App with ML and Data Virtualization](https://www.wearedevelopers.com/videos/253-data-fabric-in-action-how-to-enhance-a-stock-trading-app-with-ml-and-data-virtualization)
- [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)
- [".Net is too slow" was not an option](https://www.wearedevelopers.com/videos/100176-net-is-too-slow-was-not-an-option)
- [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews)
- [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob)
- [Stop Committing Your Secrets - GIt Hooks To The Rescue!](https://www.wearedevelopers.com/videos/573-stop-committing-your-secrets-git-hooks-to-the-rescue)

## Related Articles

- [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for)
- [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers)
- [Software Developer Salary in Switzerland [2023]](https://www.wearedevelopers.com/magazine/215-software-developer-salary-in-switzerland-2023)
- [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)
- [7 Important Tips That Every Software Developer Should Know](https://www.wearedevelopers.com/magazine/101-7-important-tips-that-every-software-developer-should-know)
- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)