Senior Application Support Professional

- Lead the triage, troubleshooting, and resolution of complex production incidents impacting real-time debit card transaction processing environments running on HP NonStop (Tandem) platforms - Serve as the primary escalation point for client-impacting technical issues, providing guidance to frontline helpdesk teams and ensuring timely communication and resolution - Drive proactive monitoring of transaction processing systems by identifying processing anomalies, transaction failures, latency issues, and service degradation before they affect clients - Develop and maintain advanced monitoring dashboards, operational alerts, and search queries utilizing Splunk and similar observability platforms to improve issue detection and service performance - Automate operational workflows, health checks, reporting functions, and repetitive support activities through Python, Shell scripting, and other automation technologies - Partner with Application Development, Infrastructure Engineering, and Systems Operations teams to conduct root cause analysis, implement corrective actions, and improve platform stability - Review, validate, and support production deployments, maintenance activities, and application releases while ensuring uninterrupted financial transaction processing - Participate in occasional off-hours needs to provide leadership during critical incidents to restore service and minimize business impact

- 5+ years of experience in application support, production operations, systems engineering, or related technical roles within the fintech, payments, or banking industries - 4+ years of experience supporting high-volume, real-time transaction processing applications within mission-critical production environments - 3+ years of hands-on experience supporting HP NonStop (Tandem) platforms and associated payment processing applications - 3+ years of experience utilizing tools such as Splunk for enterprise monitoring, alerting, log analysis, and develop monitoring queries or operational reporting solutions - 3+ years of experience using Python, Shell scripting, or comparable scripting languages to automate operational processes and administrative tasks - 3+ years of experience performing database queries, transaction analysis, and troubleshooting complex production processing issues - Bachelor's degree in Computer Science, Information Technology, Engineering, or a related field, or an equivalent combination of education, work, and/or military experience

- Prior experience writing TACL macros and scripts within HP NonStop environments - Knowledge of debit card transaction processing frameworks, transaction routing, and payment network integrations - Experience evaluating or utilizing AIOps platforms, machine learning-driven monitoring solutions, or AI-assisted support technologies - ITIL certification or experience operating within ITIL-based incident, change, and problem management frameworks

- Fiserv emphasizes in-person collaboration to help you grow your career while shaping the future of fintech, this role is on-site Monday through Friday - This role requires occasional non-standard and/or overnight hours for client support and/or outages - This role requires flexibility to work overtime that includes weekends and holidays - This role requires use of a computer and audio equipment

- In order to be considered, you must be legally authorized to work in the U.S. without need for visa sponsorship now or in the future

This position is not eligible for an annual incentive opportunity and is also not eligible to earn commissions.