> Markdown version of [/jobs/ext/2294968-senior-mainframe-developer](https://www.wearedevelopers.com/jobs/ext/2294968-senior-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). --- # Senior Mainframe Developer - **Company:** Concentrix Corporation - **Location:** Omaha, NE, United States - **Experience:** Expert - **Salary:** $74,000.0 - $77,000.0 - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Agile Methodology, JIRA, Unit Testing, Batch Processing, Customer Information Control System (CICS), COBOL (Programming Language), Code Review, Databases, IBM DB2, Software Debugging, Github, Job Control Language (JCL), Mainframes, System Testing, Virtual Storage Access Methods - **Published:** August 29, 2026 - **Apply:** https://www.juju.com/job/00000000gpo17a ## About the Role We are seeking a skilled Mainframe Developer with strong experience in COBOL, CICS, JCL, DB2, and VSAM to support the development, enhancement, maintenance, and production support of enterprise mainframe applications. The ideal candidate should have strong expertise in both online and batch JCL, excellent analytical and problem-solving skills, and a strong focus on delivering high-quality, zero-defect solutions. This role also requires the ability to conduct code reviews, mentor junior developers, and work effectively in an Agile environment. The candidate is expected to work onsite in UPC., + Required 7 - 15 years of experience with Strong hands-on experience in **COBOL, CICS, JCL, DB2, and VSAM** . + Strong expertise in both **online and batch JCL** . + Very good **analytical and problem-solving skills** . + Strong **database knowledge** and experience. + Understanding of **Java programming** . + Experience using **JIRA** for work management. + Knowledge of **Agile development methodology** . + Ability to perform **code reviews** and mentor junior developers. + Very good **communication skills** . + Strong quality mindset with experience delivering **high-quality, low-defect solutions** . Good to Have + Experience with IBM Debugger. + Familiarity with GitHub., In accordance with federal law, only applicants who are legally authorized to work in the United States will be considered for this position. Must reside in the United States or have a valid U.S. address for residence. ## Description + Design, develop, maintain, and enhance mainframe applications using COBOL, CICS, JCL, DB2, and VSAM. + Work extensively on both online and batch processing systems. + Analyze business and technical requirements and translate them into effective solutions. + Perform unit testing, support system testing, resolve defects, and provide production support. + Troubleshoot application and database issues, identify root causes, and implement permanent fixes. + Use strong analytical skills to resolve complex technical problems. + Work in an Agile development environment and participate in sprint ceremonies. + Use JIRA to manage tasks, defects, and development activities. + Conduct code reviews and ensure adherence to coding standards and best practices. + Mentor junior developers and support the team in delivering high-quality outcomes. + Maintain a strong focus on first-time-right delivery and zero defects in production. + Collaborate effectively with cross-functional teams and communicate clearly with stakeholders. ## 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) - [Innovating Developer Tools with AI: Insights from GitHub Next](https://www.wearedevelopers.com/videos/1268-innovating-developer-tools-with-ai-insights-from-github-next) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [Building with IBM Bob](https://www.wearedevelopers.com/videos/100275-building-with-ibm-bob) - [Integrate your Cognitive Assistant with 3rd-party DBs and software](https://www.wearedevelopers.com/videos/249-integrate-your-cognitive-assistant-with-3rd-party-dbs-and-software) - [Bringing AI Model Testing and Prompt Management to Your Codebase with GitHub Models](https://www.wearedevelopers.com/videos/1536-bringing-ai-model-testing-and-prompt-management-to-your-codebase-with-github-models) ## Related Articles - [93 Java Interview Questions You Should Prepare For](https://www.wearedevelopers.com/magazine/14-93-java-interview-questions-you-should-prepare-for) - [Should senior developers refuse interview coding challenges?](https://www.wearedevelopers.com/magazine/29-should-senior-developers-refuse-interview-coding-challenges) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)