Mainframe Administrator

About The Opportunity

• Administer and maintain z/OS production, DR and non-production systems to achieve SLA-driven availability and stability.
• Perform system installs, maintenance and patching using SMP/E; manage system libraries and APAR/PTF deployments.
• Monitor and tune system and workload performance (JES2/JES3, CICS, DB2); troubleshoot incidents and lead root-cause analysis.
• Implement and enforce RACF security controls: user/profile management, access reviews, and security incidents remediation.
• Manage backup, restore and storage policies using DFSMShsm; execute DR tests and recovery procedures.
• Automate routine tasks and runbooks using REXX/CLIST/USS, coordinate changes with middleware, application and operations teams during deployments and upgrades.
  

Skills & Qualifications

• Proven hands-on experience administering IBM z/OS-based mainframe environments in production.
• Strong operational expertise in JCL, CICS and DB2 administration and troubleshooting.
• Practical knowledge of RACF security administration and compliance controls.
• Experience with SMP/E for PTF/APAR application and system patching.
• Hands-on use of TSO/ISPF and DFSMShsm for storage management and backups.
• Ability to automate operational tasks (REXX/CLIST/Unix System Services) and maintain clear runbooks and run schedules.
• On-site availability in India and experience working in 24x7 production support models; familiarity with incident and change-management processes.
  

Preferred

• Experience with IBM MQ, CA7 or BMC Control-M scheduling and monitoring tools.
• Familiarity with enterprise monitoring suites (BMC MainView, CA SYSVIEW) and performance tuning tools.
• Prior exposure to modernization projects: z/OS upgrades, workload automation, or migration to hybrid infra.
  

• Work on mission-critical mainframe estates that serve large enterprises—strong visibility and ownership.
• Structured operational processes with opportunities for certification and technical upskilling.
• On-site role with stable shift patterns, industry-standard benefits and an emphasis on reliability engineering.