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Z/OS Software developer

IBM

Software Engineering

Bengaluru, Karnataka, India

Posted on Dec 30, 2025

Introduction

- 8+ years experience in Mainframe z/OS system programming.
- Experience with z/OS operating system and its components such as JES2, TSO/E, z/OS UNIX, SDSF, and Communications Server.
- Deep knowledge of Parallel SYSPLEX.
- Technical expertise in key z/OS subsystems and middleware (Db2, CICS, MQ, IMS). It includes hands-on experience with the installation, configuration, and day-to-day support.
- Led multiple complex IBM and ISV product upgrades and related projects.
- Expertise in system management tools like SMP/E (System Modification Program Extended) and z/OSMF.
- Experience with data security implementation and administration using RACF.
- Strong analytical and troubleshooting skills.
- Evaluate and recommend changes to current and future system software requirements to meet the organization's needs.
- Learn quickly and independently, and motivated to research new information.

Your role and responsibilities

As a Mainframe z/OS System Programmer, you'll have the opportunity to shape the very foundation of the technology that drives our world. Your work will involve managing the mainframe hardware configuration, installing, customizing, testing, and maintaining the z/OS operating system and its subsystems such as CICS, Db2, WMQ, and IMS. You'll be a master troubleshooter and problem-solver, with the skills to fix even the most complex issues that arise.

Required education

Bachelor's Degree

Preferred education

Bachelor's Degree

Required technical and professional expertise

- Monitoring system performance using RMF, SMF, TMON or Omegamon tools, identifying bottlenecks, and implementing optimization strategies.
- Knowledge of IBM Netview and System Automation.
- Knowledge of Kubernetes, Cloud, API Development, DevOps/MLOps Tools and AI/ML.
- Knowledge of analytics platforms such as Opensearch.
- Knowledge of mainframe hardware configurations and I/O management.
- Assessing system capacity needs and planning for future growth.

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.

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