SeniorAdministrator - Mainframe Automation Tools
India
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Job Description
SeniorAdministrator - Mainframe Automation Tools
Madurai, Tamil Nadu

Job Summary

IBM iSeries AS400 L2 Administrator / Application Support Engineer

Platform Modernization

Experience in:

IBM i OS upgrades

Power Systems migrations (Power9 to Power10)

PowerHA/MIMIX Disaster Recovery drills

High Availability solution implementation and testing

Soft Skills

Strong analytical and problem-solving abilities.

Excellent communication and stakeholder management skills.

Ability to work independently and lead critical incident resolution.

Strong documentation and knowledge management capabilities.

Preferred Qualifications

IBM Power Systems certifications are desirable.

Experience supporting large-scale enterprise production environments.

Exposure to ITIL processes, change management, and incident management frameworks.

Key Responsibilities

Key Responsibilities Provide Level 2 support for IBM iSeries (AS/400) environments and resolve complex technical issues. Monitor, analyze, and optimize system performance, capacity, and availability. Perform OS upgrades, PTF installations, system maintenance, and version management. Execute and validate system backups, IPL activities, recovery procedures, and disaster recovery testing. Administer system security, user profiles, access controls, and auditing processes. Troubleshoot hardware, operating system, middleware, and application-related issues. Support High Availability (HA) and Disaster Recovery (DR) solutions. Coordinate with application, DBA, network, storage, and infrastructure teams during deployments and change activities. Participate in major incident management and conduct Root Cause Analysis (RCA) for critical issues. Create and maintain operational documentation, SOPs, and knowledge articles. Participate in on-call support and handle critical production incidents.

Skill Requirements

Required Skills & Experience Core Technical Skills 6+ years of experience in IBM iSeries (AS/400) administration and support. Strong expertise in IBM i Operating System administration. Deep knowledge of: CL Programming Subsystems Job Management System Journaling Performance Monitoring and Tuning Experience with job scheduling and automation tools such as Robot Scheduler or equivalent. Strong understanding of AS400 security administration and compliance controls. Experience in backup, recovery, replication, and disaster recovery procedures.

Other Requirements

Infrastructure & HA/DR Expertise Hands-on experience with: BRMS (Backup Recovery and Media Services) HMC (Hardware Management Console) VIOS (Virtual I/O Server) Remote System Management Knowledge of storage management and IBM Power Systems infrastructure. Experience with: IBM FlashSystem Storage PowerHA FlashCopy Toolkit Global Mirroring LUN-level Switching Mimix Replication
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Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.