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Mainframe Operations Support Specialist

Company: Tata Consultancy Services

Location: maringá, London

Posted: June 04, 2026

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Position Details

Mainframe Operations Support Specialist Responsibilities Provide full technology stack planning, administration, and support for Client's Mainframe environment, including z/OS, Db2, CICS TS, MQ, and ISV software Monitor system health, schedule jobs (Autosys), and manage batch execution processes Manage disk and tape systems including virtual tape libraries Assist in ensuring Service Now CMDB is refreshed and updated so that it can be utilized for mainframe capacity planning Perform incident management, change implementation, and recovery procedures Administer mainframe security via RACF and perform regular performance tuning Provide operational and disaster recovery support for mainframe environments Manage software lifecycle, ensure compliance (NERC/CIP/SOX), and support application- and system-level tasks Manages physical mainframe hardware, including vendor access Execute diagnostics and support network configuration for mainframe component Technologies/Tools IBM z/OS IBM RACF IBM C...