Abirami Manohar

Senior Associate | System Administrator (L3) Senior Associate | System Administrator (L2) Associate | System Administrator (L2)

IBM i (AS/400) Administration

• Led IBM i system administration activities for critical production environments.
• Managed digital certificate lifecycle using DCM for secure application communication.
• Successfully executed migration from physical tape to Virtual Tape Library (VTL), improving backup efficiency and reliability.
• Performed OS upgrades from V6R1 to V7R2 and V7R2 to V7R4 with minimal downtime.
• Coordinated proactively with hardware vendors for support, troubleshooting, and component replacement during hardware failures.
• End-to-end PTF management across all LPARs, including regular maintenance and deployment of emergency PTFs for issue resolution.
• Handled restoration requests (object, library, IFS) as per business and audit requirements.
• Successfully executed Disaster Recovery (DR) for production servers using SAN disk-based recovery.
• Scheduled and managed backup and batch jobs using ATRON setup.
• Ensured SOX and internal audit compliance, addressing audit observations within defined timelines.
• Identified, managed, and remediated security vulnerabilities reported by the Bank’s security team, strengthening system posture.

IBM i (AS/400) Administration

• Managed user profile creation and maintenance at OS level, ensuring compliance with security policies.
• Troubleshot and resolved backup-related issues using ROBOT applications.
• Worked on THENON application support activities.
• Created and maintained BRMS/400 backup control groups, including object omission lists based on business needs.
• Executed data restoration activities as requested by business and audit teams.
• Scheduled and monitored batch jobs to ensure smooth business operations.
• Managed digital certificates using DCM.
• Coordinated with vendors for hardware issue resolution and replacements.
• Performed PTF installation and maintenance across all LPARs.
• Supported SOX and internal audits, providing evidence and system validations.
• Worked extensively with ServiceNow for incident, problem, and request management.
• Ensured object authority management and maintained authorization lists.
• Configured and maintained system values.
• Created and managed output queues and printer devices.
• Performed ASP monitoring and cleanup activities to control disk utilization.

IBM i (AS/400) Administration

• Performed user profile management at the OS level.
• Managed daily, weekly, and monthly backups using BRMS.
• Troubleshot backup failures and ensured successful completion within SLA.
• Coordinated with hardware vendors for issue resolution and part replacement.
• Installed and maintained PTFs across all LPARs as per business requirements.
• Worked on ServiceNow ticketing tool for operational support.
• Configured and maintained system values.
• Monitored ASP utilization and performed regular system cleanup activities.

IBM i (AS/400) Administration

• Performed daily health checks of iSeries servers and shared status reports with internal teams.
• Supported OS upgrades from V6R1 to V7R1 and V7R1 to V7R2.
• Managed daily, weekly, and monthly backups using BRMS and handled object restorations.
• Executed PTF management across all LPARs, including periodic and ad-hoc fixes.
• Administered user profiles, object authorities, and journal management.
• Scheduled and monitored native batch jobs and handled production tickets.
• Controlled ASP utilization through regular system analysis and cleanup.
• Coordinated hardware replacements and tape library operations with vendors and data center teams.
• Maintained audit documentation and supported compliance activities.
• Worked with USD, Remedy (4.0/7), and ServiceNow ticketing tools.