Contractor @ Birlasoft

Skills: IBM iSeries/AS400 Admin

Experience: 7+ years

Location: Mumbai, Pune, Noida, Bangalore, Hyderabad

Key Responsibilities:

L2 Support:

• Provide technical support for AS400 systems, resolving incidents and service requests within defined SLAs.
• Perform root cause analysis for recurring issues and escalate complex problems to L3 when necessary.
• Monitor system performance, job queues, and batch processes to ensure smooth operations.
• Execute routine maintenance tasks including backups, restores, and system health checks.
• Collaborate with application teams to troubleshoot and resolve application-level issues.
• Maintain documentation for known errors, resolutions, and standard operating procedures.
• Support change management activities including deployment validations and rollback planning.

L3 Support:

• Perform advanced debugging, code analysis, and performance tuning of RPG, CL, and COBOL programs.
• Design and implement system enhancements, patches, and upgrades in coordination with infrastructure teams.
• Conduct impact analysis and provide technical inputs for new project implementations and migrations.
• Mentor L1/L2 support teams and conduct knowledge transfer sessions.
• Ensure compliance with ITIL processes and contribute to continuous improvement initiatives.

System Administration:

• Perform OS installations, upgrades, and apply Program Temporary Fixes (PTFs).
• Manage Hardware Management Console (HMC) operations for system configuration and monitoring.
• Administer EMC Data Domain storage systems and handle virtual tape setup and allocations.
• Schedule and manage batch jobs, ensuring timely execution and resource optimization.
• Create and configure subsystems based on client-specific requirements.
• Develop and modify basic CL programs to support operational needs.
• Conduct regular system health checks and resolve technical issues proactively.
• Monitor and optimize system performance (CPU, memory, disk).
• Oversee capacity planning and resource allocation for AS400 LPARs.
• Execute backup and restoration procedures and participate in disaster recovery (DR) drills.
• Coordinate with OEM vendors (IBM, third-party) for hardware/software support.
• Manage user profiles, access controls, and system security configurations.
• Provide on-call support for critical incidents and ensure high system availability.

Technical Skills:

• IBM AS400, IBM OS400, Windows 10/11
• MIMIX, iTera (High Availability/DR)
• EMC Data Domain, Virtual Tape Systems
• iSeries Navigator, Segull FTP, ServiceNow
• CL Programming, RPG, COBOL
• HMC, LPAR Management
• ITIL v3 Framework