iSeries System Operator

Role OverviewFiserv is seeking an iSeries System Operator to support the daily operations of the Signature core banking platform within our Technical Operations organization. In this role, you will monitor and maintain IBM i (iSeries/AS400) production environments, support end-of-day processing, respond to operational events, and ensure the stability and availability of critical banking systems.This position offers the opportunity to work with mission-critical financial applications, support high-availability banking environments, and collaborate closely with Application Operations, Infrastructure, Development, and Client Support teams in a fast-paced fintech environment.
Key Responsibilities• Monitor IBM i (iSeries/AS400) production environments and ensure successful daily processing cycles • Execute and support end-of-day, beginning-of-day, and scheduled batch processing activities • Monitor and manage jobs, job queues, output queues, spool files, and system messages • Investigate and resolve production incidents, escalating issues when appropriate • Support on-call rotations for mission-critical Signature banking applications • Troubleshoot application, database, infrastructure, and processing issues impacting production services • Coordinate with developers, application support teams, infrastructure engineers, and client-facing teams during incident resolution • Maintain operational documentation, runbooks, and processing procedures • Participate in continuous improvement initiatives focused on operational efficiency, automation, monitoring, and process standardization
Required Qualifications• Associate's or Bachelor's degree in Information Technology, Computer Science, Engineering, or a related field • 3+ years of experience supporting IBM i (iSeries/AS400) production environments • Experience with production operations, batch processing, and enterprise application support • Working knowledge of IBM i operational commands, job management, and message handling • Experience supporting high-availability business-critical applications • Strong troubleshooting, analytical, and problem-solving skills • Ability to work effectively in a 24x7 production support environment • Excellent verbal and written communication skills
Preferred Qualifications• Experience supporting Banking solutions • Experience with IBM i Access Client Solutions (ACS) and 5250 emulation • Knowledge of DB2 for i databases and related operational processes • Familiarity with job scheduling platforms and batch automation tools • Knowledge of ITIL Incident, Problem, Change, and Release Management practices • Previous experience in financial services, banking, or fintech organizations