Senior Application Support Professional

Fiserv

Senior Application Support Professional at Fiserv ensuring the reliability of critical payment processing systems. Leading technical responses and improving platform stability in fintech environments.

Posted 7/30/2026full-timeFrisco • New Jersey, New York, Texas • 🇺🇸 United StatesSenior💰 $82,000 - $141,600 per yearWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in leading the resolution of complex production incidents in real-time transaction processing environments, with a strong focus on HP NonStop (Tandem) platforms and automation through scripting. Proficient in utilizing monitoring tools like Splunk to enhance system performance and ensure uninterrupted financial transaction processing.

Highest-signal resume keywords

HP NonStop (Tandem) Platform SupportReal-Time Transaction ProcessingSplunk Monitoring and AlertingPython and Shell ScriptingProduction Operations Leadership

ATS Keywords

Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills

Application SupportSystems EngineeringDatabase QueryingTransaction AnalysisIncident Resolution

Soft Skills

LeadershipCommunicationCollaboration

Tools & Technologies

SplunkPythonShell ScriptingObservability Platforms

Industry Keywords

FintechPaymentsBankingProduction Operations

Tech Stack

Tools & technologies

PythonShell ScriptingSplunk

About the role

Key responsibilities & impact

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

Requirements

What you’ll need

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

Benefits

Comp & perks

Health insurance
401(k) matching
Flexible work hours
Paid time off
Professional development opportunities