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Software Developer - zOS, VSAM, DB2, JCL, Cloud

IBM

Software Engineering

Bengaluru, Karnataka, India

Posted on Jan 29, 2026

Introduction

At IBM Software, we transform client challenges into solutions. Building the world’s leading AI-powered, cloud-native products that shape the future of business and society. Our legacy of innovation creates endless opportunities for IBMers to learn, grow, and make an impact on a global scale. Working in Software means joining a team fueled by curiosity and collaboration. You’ll work with diverse technologies, partners, and industries to design, develop, and deliver solutions that power digital transformation. With a culture that values innovation, growth, and continuous learning, IBM Software places you at the heart of IBM’s product and technology landscape. Here, you’ll have the tools and opportunities to advance your career while creating software that changes the world.

Your role and responsibilities

DB2 on z/OS Data and Performance Management Engineer

We are seeking a highly skilled and experienced DB2 on z/OS Data and Performance Management Engineer to join our team. This pivotal role involves designing, implementing, administering, and optimizing critical database systems within our mainframe environment, ensuring high performance, security, and compliance with industry regulations.

Your role and responsibilities

Database Design & Administration: Lead the design, implementation, and maintenance of robust DB2 for z/OS and VSAM data structures. This includes capacity planning, database reorganization strategies, and data modeling to support enterprise applications.
Performance Management & Tuning: Monitor system performance using relevant tools, identify bottlenecks, and implement effective tuning solutions for SQL queries, database configurations, and overall subsystem health.
Systems Programming Support: Utilize z/OS utilities, JCL, and REXX for automation, batch processing, and system maintenance tasks, ensuring efficient operation of the DB2 environment.
Security & Compliance: Implement and manage security protocols utilizing ESM tools (RACF, ACF2, or TopSecret) to control database access. Ensure all database designs and operations adhere strictly to regulatory standards and secure design principles.
API Development Support: Collaborate with development teams, providing expertise in data access methods and supporting the development and integration of APIs that interact with backend data systems.
USS Environment: Work within the z/OS Unix System Services (USS) environment as needed for tool integration, scripting, and file management.
Troubleshooting & Support: Provide expert-level support for production issues, diagnosing complex data integrity problems and performance issues quickly and effectively.
The ideal candidate would have a strong technical aptitude and a flair for picking up new skills
The role provides ample opportunity for learning and career growth and is only constrained by the individual’s appetite for learning

Required education

Bachelor's Degree

Preferred education

Master's Degree

Required technical and professional expertise

8+ years of IT experience
Extensive Mainframe Expertise: Proven, hands-on experience with DB2 on z/OS database design, administration, and performance management.
VSAM Knowledge: Solid experience in VSAM data structure design and administration.
Core Mainframe Technologies: Proficiency in JCL (Job Control Language) and REXX scripting for automation and system management.
Security Management: Expertise in mainframe security administration using one or more Enterprise Security Managers (ESM) such as RACF, ACF2, or TopSecret.
API Experience: Demonstrated experience in supporting or developing APIs, understanding how modern applications interface with mainframe data.
Compliance & Secure Design: Deep knowledge of best practices for data security, risk management, and compliance with industry regulations (e.g., GDPR, PCI-DSS, SOX).
Operating Systems: Familiarity with the z/OS environment and practical experience working within the Unix System Services (USS) component

Preferred technical and professional experience

IMS Database Experience: Experience with IMS DB (Database) administration or application support is a significant advantage, providing expertise across our mixed database environment.
Python Scripting: Experience using Python for automation, data analysis, or scripting tasks on or off the mainframe, potentially within the z/OS USS environment.
Java Application Knowledge: Understanding of Java application connectivity to DB2/zOS (e.g., JDBC, Type 2/Type 4 drivers) and experience troubleshooting Java-related data access performance is a plus.
DevOps and CI/CD Pipelines: Experience integrating mainframe database management tasks into modern DevOps practices and CI/CD pipelines, utilizing tools like Jenkins, Git, or Ansible for automated deployments.
Certifications: Relevant certifications in DB2 administration or z/OS systems programming are a plus.

Years of Experience:
8 - 10

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.

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