Mainframe Operations Support Specialist

Tata Consultancy Services
Full-time duque de caxias, duque de caxias Other-General
Posted:
June 05, 2026
Location:
duque de caxias, duque de caxias, Brazil

Job Description

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...

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Job Overview

Job Type: Full-time
Location: duque de caxias, Brazil
Posted: June 05, 2026
Deadline: July 15, 2026