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Senior Mainframe Developer

IBM

Software Engineering

Bengaluru, Karnataka, India

Posted on Mar 24, 2026

Introduction

A career in IBM Consulting is built on long-term client relationships and close collaboration worldwide. You’ll work with leading companies across industries, helping them shape their hybrid cloud and AI journeys. With support from our strategic partners, robust IBM technology, and Red Hat, you’ll have the tools to drive meaningful change and accelerate client impact. At IBM Consulting, curiosity fuels success. You’ll be encouraged to challenge the norm, explore new ideas, and create innovative solutions that deliver real results. Our culture of growth and empathy focuses on your long-term career development while valuing your unique skills and experiences.

Your role and responsibilities

About the Position

We are looking for an experienced Mainframe Developer with 10+ years of experience in COBOL, JCL and DB2 to join our IT support team.

The ideal candidate will be responsible for enhancing, maintaining, and supporting mainframe applications that are critical to our business operations.

This role requires a detail-oriented professional who can work effectively in a team environment to ensure the seamless operation of our Mainframe Applications, proactively monitoring, and managing incident tickets to support business continuity.

Roles and Responsibilities

Maintenance and Support: Perform regular maintenance and provide technical support for existing mainframe applications written in COBOL, Assembler, C and DB2. Troubleshoot and resolve any issues that arise, ensuring minimal disruption to business operations.

Code Review and Testing: Participate in code reviews to ensure adherence to coding standards and best practices. Develop and execute test plans to ensure the quality and reliability of the applications.

JES2/JES3 & System Integration: Work with JES2/JES3 subsystem environments, including job flow understanding, troubleshooting, and spool management. Knowledge of SAPI – (Sysout Application Programming Interface - SSI 79/ SSI 80) interfaces where required for system interactions.

ISPF Panel Development: Develop, customize, and enhance ISPF panels and dialogs to support application interfaces. Knowledge of DTL is nice to have.

Working knowledge of REXX for automation, scripting, ISPF dialog coding, and tooling enhancements.

Collaboration: Work collaboratively with cross-functional teams, including project managers, business analysts, QA testers, and other developers.

Communication and Documentation:

Maintain detailed logs of system incidents and resolutions. Prepare and distribute daily/weekly reports on system performance and issues.

Collaborate with application, infrastructure, and support teams to address issues effectively. Ensure that all technical documentation is up to date and easily accessible.

Required education

Bachelor's Degree

Preferred education

Bachelor's Degree

Required technical and professional expertise

Must Have:

10+ years of development experience.
Strong knowledge of IBM mainframe environments, including: Z/OS (MVS), SysPlex, CICS, DB2, JES, COBOL, UNIX System Services (USS), WebSphere

Experience with Enterprise Content Management (ECM) products and output management.

Ability to deliver in fast-paced engagements, set priorities, and execute effectively.

Experience in client relationship management, project coordination, and delivery in an onsite–offshore model.

Good understanding of CMMi SDLC processes.

Experience with IBM CMOD migration processes.

Hands-on expertise in: IBM Z/OS Assembler, COBOL, JCL, C/C++, DB2

Knowledge of REXX is a plus along with other mainframe tools.

Strong leadership qualities: team motivation, conflict resolution, and decision-making.

Ability to drive multiple projects with effective collaboration and time management.

Excellent client-facing and internal communication skills.

Preferred technical and professional experience

Good to Have:

Experience with mainframe batch processing including JCL and job scheduling.

Extensive experience with ASG Mobius, IBM CMOD, and Z/OS.

Years of Experience:
10 - 15

ABOUT BUSINESS UNIT

IBM Software infuses core business operations with intelligence—from machine learning to generative AI—to help make organizations more responsive, productive, and resilient. IBM Software helps clients put AI into action now to create real value with trust, speed, and confidence across digital labor, IT automation, application modernization, security, and sustainability. Critical to this is the ability to make use of all data, because AI is only as good as the data that fuels it. In most organizations data is spread across multiple clouds, on premises, in private datacenters, and at the edge. IBM’s AI and data platform scales and accelerates the impact of AI with trusted data, and provides leading capabilities to train, tune and deploy AI across business. IBM’s hybrid cloud platform is one of the most comprehensive and consistent approach to development, security, and operations across hybrid environments—a flexible foundation for leveraging data, wherever it resides, to extend AI deep into a business.

YOUR LIFE @ IBM

In a world where technology never stands still, we understand that, dedication to our clients success, innovation that matters, and trust and personal responsibility in all our relationships, lives in what we do as IBMers as we strive to be the catalyst that makes the world work better.

Being an IBMer means you’ll be able to learn and develop yourself and your career, you’ll be encouraged to be courageous and experiment everyday, all whilst having continuous trust and support in an environment where everyone can thrive whatever their personal or professional background.

Our IBMers are growth minded, always staying curious, open to feedback and learning new information and skills to constantly transform themselves and our company. They are trusted to provide on-going feedback to help other IBMers grow, as well as collaborate with colleagues keeping in mind a team focused approach to include different perspectives to drive exceptional outcomes for our customers. The courage our IBMers have to make critical decisions everyday is essential to IBM becoming the catalyst for progress, always embracing challenges with resources they have to hand, a can-do attitude and always striving for an outcome focused approach within everything that they do.

Are you ready to be an IBMer?

ABOUT IBM

IBM’s greatest invention is the IBMer. We believe that through the application of intelligence, reason and science, we can improve business, society and the human condition, bringing the power of an open hybrid cloud and AI strategy to life for our clients and partners around the world.

Restlessly reinventing since 1911, we are not only one of the largest corporate organizations in the world, we’re also one of the biggest technology and consulting employers, with many of the Fortune 500 companies relying on the IBM Cloud to run their business.

At IBM, we pride ourselves on being an early adopter of artificial intelligence, quantum computing and blockchain. Now it’s time for you to join us on our journey to being a responsible technology innovator and a force for good in the world.

IBM is proud to be an equal-opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, genetics, pregnancy, disability, neurodivergence, age, or other characteristics protected by the applicable law. IBM is also committed to compliance with all fair employment practices regarding citizenship and immigration status.

OTHER RELEVANT JOB DETAILS

When applying to jobs of your interest, we recommend that you do so for those that match your experience and expertise. Our recruiters advise that you apply to not more than 3 roles in a year for the best candidate experience. For additional information about location requirements, please discuss with the recruiter following submission of your application.

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