Mainframe Application

Who We Are

At Kyndryl, we design, build, manage and modernize the mission-critical technology systems that the world depends on every day. So why work at Kyndryl? We are always moving forward – always pushing ourselves to go further in our efforts to build a more equitable, inclusive world for our employees, our customers and our communities.

The Role

Kyndryl is seeking a Mainframe Application & Testing Engineer with strong programming and database knowledge, robust testing methodology, and excellent debugging skills. This role is essential for ensuring reliable, high-quality application delivery in mission-critical enterprise systems.

You will be responsible for developing, maintaining, and testing mainframe applications, supporting end-to-end software delivery, and ensuring compliance with quality and governance standards.

Responsibilites:

• Develop and support mainframe applications using COBOL, PL/I, Assembler, Easytrieve, and REXX/CLIST.
• Write and debug JCL for batch processing and job automation.
• Perform database operations and validations using DB2, IMS DB, and IDMS.
• Test online applications running on CICS and IMS DC.
• Conduct unit, integration, regression, and performance testing.
• Support UAT cycles and assist users with test execution and defect resolution.
• Use debugging tools (Abend-AID, Xpediter, IBM Debug Tool) and data utilities (SORT, IDCAMS, IEBGENER).
• Manage source code and packages using Panvalet, ChangeMan, Endevor, and Git.
• Document test cases, results, and root cause analyses.
• Collaborate with cross-functional teams to ensure smooth application delivery.

Your Future at Kyndryl

Every position at Kyndryl offers a way forward to grow your career. We have opportunities that you won't find anywhere else, including hands-on experience, learning opportunities, and the chance to certify in all four major platforms. Whether you want to broaden your knowledge base or narrow your scope and specialize in a specific sector, you can find your opportunity here.

Who You Are

You're good at what you do and possess the required experience to prove it. However, equally as important – you have a growth mindset; keen to drive your own personal and professional development. You are customer-focused – someone who prioritizes customer success in their work. And finally, you're open and borderless – naturally inclusive in how you work with others.

Required Skills and Experience:

1. Mainframe Technical Skills

2. z/OS environment: Strong knowledge of TSO/ISPF, SDSF, datasets (PS, PDS, VSAM).

3. JCL (Job Control Language): Writing, modifying, and debugging jobs.
4. Programming languages: COBOL (most common for business apps); PL/I, Assembler, RPG, Easytrieve (depending on the system) and REXX/CLIST (for automation).
5. Databases: DB2, IMS DB, IDMS — querying, data validation, and test data setup.

6. Transaction monitors: CICS, IMS DC — testing online applications.

7. Application Development & Support

8. Understanding of SDLC (Software Development Life Cycle) and Agile/Waterfall models.

9. Application analysis, enhancements, and defect fixing.

10. Code review and integration with source management tools (Panvalet, ChangeMan, Endevor).

11. Testing Skills

12. Unit Testing: Verifying individual modules/programs.

13. System Integration Testing (SIT): Validating interfaces and data flows across components.
14. User Acceptance Testing (UAT) Support: Assisting users with test cycles.
15. Regression Testing: Ensuring fixes/enhancements don't break existing functionality.

16. Performance Testing: Analyzing job run-times, CICS response times, DB performance.

17. Tools & Utilities

18. File & Data utilities: SORT, IDCAMS, IEBGENER, IEBCOPY for test data creation.

19. Debugging tools: IBM Debug Tool, Abend-AID, Xpediter, File-AID.
20. Test management tools: HP ALM/QC, Jira, or equivalent.

21. Version control/SCM tools: Panvalet, ChangeMan, Endevor, Git (in hybrid environments).

22. Quality & Process Knowledge

23. Defect Management & Root Cause Analysis.

24. Familiarity with ITIL processes (Incident, Problem, Change Management).
25. Compliance & audit standards (SOX, PCI, etc., depending on industry).
    Automation in testing: Using REXX, CLIST, or Python (in hybrid mainframe setups).

Being You

Diversity is a whole lot more than what we look like or where we come from, it's how we think and who we are. We welcome people of all cultures, backgrounds, and experiences. But we're not doing it single-handily: Our Kyndryl Inclusion Networks are only one of many ways we create a workplace where all Kyndryls can find and provide support and advice. This dedication to welcoming everyone into our company means that Kyndryl gives you – and everyone next to you – the ability to bring your whole self to work, individually and collectively, and support the activation of our equitable culture. That's the Kyndryl Way.

What You Can Expect

With state-of-the-art resources and Fortune 100 clients, every day is an opportunity to innovate, build new capabilities, new relationships, new processes, and new value. Kyndryl cares about your well-being and prides itself on offering benefits that give you choice, reflect the diversity of our employees and support you and your family through the moments that matter – wherever you are in your life journey. Our employee learning programs give you access to the best learning in the industry to receive certifications, including Microsoft, Google, Amazon, Skillsoft, and many more. Through our company-wide volunteering and giving platform, you can donate, start fundraisers, volunteer, and search over 2 million non-profit organizations. At Kyndryl, we invest heavily in you, we want you to succeed so that together, we will all succeed.

Get Referred

If you know someone that works at Kyndryl, when asked 'How Did You Hear About Us' during the application process, select 'Employee Referral' and enter your contact's Kyndryl email address.