Top Tech Jobs & Startup Jobs in Chennai

Install, configure, maintain, upgrade, and optimize IBM DB2 for z/OS subsystems. Manage migrations, patches, security fixes, backup and recovery, disaster recovery, Sysplex and data-sharing environments, performance monitoring, and system tuning. Support project delivery through analysis, testing, automation, documentation, troubleshooting, and collaboration with architects, technicians, and project managers.

Maintains and supports enterprise Mainframe z/OS environments, including installations, configurations, SYSRES builds, PTFs, upgrades, patches, disaster recovery, and performance optimization. Troubleshoots system failures, job abends, freezes, and compatibility issues while supporting IBM z16 and z17 systems. Provides 24/7 on-call support, assists with modernization and migration projects, manages system reliability and security compliance, and collaborates with clients, technicians, and stakeholders.

Provides expert CICS systems programming and administration across IBM mainframe environments. Installs, upgrades, maintains, configures, and migrates CICS Transaction Server and related ISV products. Troubleshoots abends, dumps, outages, and performance issues, performs root cause analysis, supports releases and testing, manages CSD/SIT configurations, participates in on-call support, and delivers modernization and migration projects for clients.

Execute production Power BI tenant-to-tenant migrations using runbooks, including workspace, access, dataset, report, refresh, and gateway configuration changes. Perform smoke tests and post-migration validation, resolve standard defects, document evidence, maintain tickets, support shift handovers, and provide hypercare after cutover. Work within a 24x7 factory model while tracking throughput, defects, risks, and recurring issues.

Leads enterprise data engineering, analytics, reporting, regulatory data, and platform initiatives for banking and financial services. Designs data warehouses, lakes, pipelines, integrations, reporting marts, dashboards, and Oracle solutions. Ensures data quality, governance, reconciliation, lineage, and regulatory compliance across lending, risk, securities, tax, payments, treasury, and customer data. Provides L2/L3 production support, resolves incidents, drives performance improvements, and partners with senior stakeholders and global teams.

Design, build, maintain, debug, and optimize high-volume mainframe business logic. Refactor legacy code to support cloud and mobile applications, extract business logic for modernization, and develop scalable software using Java, Python, microservices, Spring Boot, AWS, databases, containers, and messaging technologies.

Manage and secure enterprise mainframe environments using ACF2, including access administration, dataset and resource rules, compliance monitoring, audit reporting, incident investigation, certificate deployment, and pervasive encryption. The role coordinates with technical teams, business stakeholders, customers, and auditors; prepares reports and presentations; supports security operations around the clock; and maintains z/OS security architecture and configurations.

Leads IBM z/OS system programming, infrastructure design, upgrades, migrations, SMP/E maintenance, and subsystem support across JES, storage, networking, CICS, DB2, IMS, and MQ. Drives automation, performance, capacity optimization, security compliance, disaster recovery, monitoring, and critical incident resolution. Provides production support in SLA-driven environments, coordinates vendors, supports modernization initiatives, and mentors technical teams.

Designs, integrates, troubleshoots, and automates enterprise infrastructure across AWS, hybrid cloud, on-premises, server, network, endpoint, and mainframe environments. Diagnoses complex technical issues, develops reliable solutions, documents architectures and procedures, coordinates cross-functional delivery, manages risks, and communicates technical recommendations to customers. The role also emphasizes continuous learning, certifications, and progression toward architecture or distinguished engineering positions.

Administer and maintain IBM CICS environments and CICSPlex infrastructure for mission-critical transaction processing. Responsibilities include performance tuning, troubleshooting, dump analysis, upgrades, migrations, disaster recovery, resiliency, and integration with DB2, MQ, RACF, and z/OS. The role also supports cloud migrations, high availability, workload management, security compliance, and client technology modernization.