Ibm I (As/400) System Administrator

• Strong hands-on experience in IBM i (AS400 / iSeries) system administration.
• Good knowledge of IBM i operating system administration, system configuration, user profiles, security, and object authority management.
• Experience with job management, subsystem administration, job queues, output queues, batch processing, and system monitoring.
• Hands-on experience in backup, restore, recovery, and disaster recovery operations, including BRMS.
• Experience in IBM i OS upgrades, PTF installation, Technology Refreshes, and system maintenance.
• Strong knowledge of IBM Power Systems, HMC, LPAR management, and partition configuration.
• Experience in DASD/storage management, disk utilization, and capacity planning.
• Knowledge of TCP/IP, FTP/SFTP, Ethernet connectivity, and network troubleshooting on IBM i.
• Experience with high-availability and replication solutions such as MIMIX, iCluster, or PowerHA.
• Familiarity with monitoring tools such as Halcyon, Nagios, Help Systems, or Datadog.
• Knowledge of SSL/TLS configuration, certificate renewals, and secure connectivity.
• Experience with incident, problem, and change management processes using ServiceNow or similar ITSM tools.
• Ability to troubleshoot and analyze technical issues and communicate and document findings effectively.

• Administer and maintain IBM i / AS400 environments, ensuring high availability, reliability, and optimal system performance.
• Actively manage and optimize system health, CPU utilization, memory, storage capacity, ASP usage, jobs, subsystems, and system messages.
• Perform user profile administration, password management, security administration, and object-level authority management.
• Manage job queues, output queues, batch jobs, subsystem activities, and scheduled production operations.
• Perform backup and recovery operations, monitor backup schedules, and support disaster recovery activities and DR testing.
• Plan and execute IBM i OS upgrades, PTF installations, Technology Refreshes, IPLs, and preventive maintenance.
• Manage HMC, LPARs, virtual resources, and IBM Power Systems infrastructure configurations.
• Perform storage administration, disk management, ASP monitoring, capacity planning, and storage expansion.
• Monitor and maintain hi gh-availability environments, replication services, and disaster recovery configurations using MIMIX, iCluster, or PowerHA.
• Troubleshoot system, job, performance, network, connectivity, and production-related issues.
• Support TCP/IP configuration, FTP/SFTP transfers, Ethernet connectivity, and integration with external systems.
• Manage SSL/TLS certificates and execute certificate renewals to maintain secure system communications.
• Handle incidents, service requests, changes, and problem management activities in accordance with enterprise ITIL processes.
• Perform root cause analysis and implement corrective and preventive actions for recurring issues.
• Maintain technical documentation, SOPs, operational procedures, and system configuration records.
• Coordinate with application, network, database, storage, security, and infrastructure teams for end-to-end issue resolution.
• Identify opportunities for automation and improvements in monitoring, system administration, and production support.

• IBM Power10 / Power11 hardware administration and migration experience.
• IBM PowerVC administration and virtualization management.
• IBM Storage and SAN integration.
• BRMS administration and enterprise backup solutions.
• IBM MQ integration and mainframe connectivity.
• Third-party tools such as Halcyon, LaserVault, StayLinked, and BlueZone.

Qualifications

BACHELOR OF COMPUTER SCIENCE