Top Tech Jobs & Startup Jobs in Chennai

Lead and manage z/OS system programming and mainframe infrastructure: perform upgrades, migrations, SMP/E maintenance, subsystem support (CICS, DB2, IMS, MQ), performance and capacity optimization, incident RCA, security/compliance, DR and monitoring integration, automation, vendor coordination, and mentor team members to drive modernization and SLA-driven production support.

Lead z/OS system programming and mainframe infrastructure design. Manage upgrades, migrations, SMP/E, JES, storage, networking, subsystems (CICS/DB2/IMS/MQ), automation, performance tuning, incident RCA, security/compliance, DR, monitoring, vendor coordination, and mentor teams to drive modernization.

Lead and manage z/OS system programming, design resilient mainframe infrastructure, perform upgrades/migrations, support JES/storage/networking and subsystems (CICS, DB2, IMS, MQ), drive automation and performance tuning, resolve critical incidents, ensure security/compliance and disaster recovery, mentor team members, and collaborate with stakeholders to modernize mainframe operations.

Manage, maintain, and optimize IBM z/OS mainframe environments: install/configure z/OS, apply SMP/E maintenance, tune performance with RMF/SMF/SDSF, diagnose abends, support Level 2/3 production, administer RACF, coordinate with subsystem teams (CICS, DB2, IMS, MQ), lead DR planning/testing, and support system upgrades and ISV products.

Operate and monitor IBM AS400/iSeries systems and consoles, execute and manage batch jobs using Tidal/Robot/Advanced Job Scheduler, perform job control and dependency management, analyze batch failures and perform problem determination, handle I/O/tape/backup and spool management, provide first-level support and maintain operational procedures and documentation.

Operate and monitor IBM AS400/iSeries systems and consoles; manage batch scheduling with Tidal, Robot, and Advanced Job Scheduler; perform job control and dependency management; analyze and resolve batch failures and incidents; handle I/O/tape and spool operations; provide first-level support and maintain operational procedures and documentation for multi-vendor distributed environments.

Lead the target-state Entra application architecture and define tenant-to-tenant app migration strategy, runbooks, validation gates, and remediation for enterprise app registrations, service principals, consent, SSO and token behaviours. Coordinate cross-discipline dependencies, manage exceptions for complex apps, own cutover/hypercare escalation, and establish operational reporting and continuous improvement.

Monitor and operate IBM AS400/iSeries systems and consoles, manage and troubleshoot batch jobs using Tidal/Robot/Advanced schedulers, perform problem determination, handle I/O (tape/backup/spool), monitor alerts/message queues, provide first-level support, and maintain operational procedures and documentation.

Manage and support IBM MQ on IBM i (AS/400): administer queue managers, configure channels/queues/listeners, ensure security (SSL/TLS, auth), monitor performance, troubleshoot complex MQ issues, optimize message flows, and collaborate with development and cross-platform teams for integrations, compliance, and deployment support.

The role involves managing network operations, implementing OT networks, troubleshooting issues, and maintaining large network environments globally, requiring strong analytical skills and technical expertise.