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AS400/iSeries Computer Operator

Job

Data Processing Resources

Hempstead, NY (In Person)

Full-Time

Posted 2 weeks ago (Updated 1 week ago) • Actively hiring

Expires 7/12/2026

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Job Description

Computer Operator (IBM iSeries / AS/400) Position Summary The IBM iSeries Computer Operator is responsible for the operation, monitoring, and maintenance of the IBM iSeries (AS/400) environment and all associated systems. This role ensures the reliable execution of business-critical processes, including order processing, batch operations, system monitoring, and incident resolution, while maintaining high system availability and performance. Key Responsibilities System Monitoring & Operations Monitor IBM iSeries (AS/400), servers, and peripheral equipment to ensure continuous uptime Respond to system messages, console alerts, and error conditions promptly Oversee all input/output processing, including job queues and output queues Monitor server performance and overall system health Batch Processing & Order Management Execute and manage scheduled batch jobs (daily, weekly, monthly) Ensure all processing meets operational SLAs and business requirements Receive and process customer order files via FTP, ensuring accurate distribution to branches and warehouses Support and monitor EDI transactions (810, 850, 855) Monthly Responsibilities Submit and monitor month-end processing activities Generate and send customer statements to the mail house Download and apply Taxware updates Send Accounts Receivable files to Cortera and USTrade Backup, Recovery & System Continuity Perform routine system backups and verify backup integrity Manage backup media (tape or cloud) Assist with data restoration and disaster recovery procedures Incident Management & Troubleshooting Provide first-level troubleshooting for hardware, software, and connectivity issues Support users in resolving system and application issues Gather diagnostic information and escalate complex issues as needed Log, track, and resolve incidents in accordance with IT procedures User Support & Help Desk Create, assign, and follow up on IT help desk tickets Respond to user requests via phone, email, or in person Manage user accounts, password resets, and basic system access System Maintenance & Vendor Coordination Coordinate service requests for AS/400 hardware and infrastructure Work closely with programming and IT teams on system updates and enhancements Assist in implementing system changes and corporate IT initiatives Documentation & Reporting Maintain accurate operational logs and system documentation Document procedures and provide training to staff as needed Identify trends and recommend improvements for system performance and operations Technical Skills Strong knowledge of IBM i (OS/400) operations and Control Language (CL) Experience with job scheduling, batch processing, and system monitoring Familiarity with: IBM i Client Access Windows and Windows Server environments Microsoft Office applications Experience 1-3 years of experience in a midrange, mainframe, or data center operations environment Experience in distribution, logistics, or ERP-based environments is a plus