Application Support Executive for Morristown, New Jersey

Hi

My name is Rohit Chauhan, and I am a Staffing Specialist at Novia Infotech LLC. I am reaching out to you on an exciting job opportunity with one of our clients

 

Title: Application Support Executive – Payments

Location: Morristown, New Jersey

 

Job Summary:

We are seeking an experienced Application Support Executive with strong expertise in L2/L3 production support for payment systems running on Windows OS. The ideal candidate will have deep knowledge of credit/debit card processing, payment gateways, disputes, chargebacks, and fraud management, and will play a critical role in ensuring high availability, security, and performance of mission-critical payment applications.

 

Key Roles & Responsibilities:

• Monitor, triage, and resolve production incidents in payment applications, ensuring minimal downtime and strict adherence to SLAs.
• Provide L2/L3 support for payment gateways, POS systems, and card processing platforms.
• Troubleshoot transaction failures, connectivity issues, and integration problems with card networks (Visa, Mastercard, Amex), acquirers, and issuers.
• Perform root cause analysis (RCA) and implement permanent fixes to prevent recurrence.
• Support end-to-end card payment processing, including:
• Authorization
• Clearing
• Settlement
• Reconciliation
• Troubleshoot ISO 8583 message flows, EMV transactions, and settlement mismatches.
• Analyze transaction logs and message-level data to identify processing issues.
• Investigate and resolve payment disputes and chargebacks.
• Support compliance with card network regulations (Visa TCR, Mastercard Dispute Resolution).
• Coordinate with banks, merchants, and internal teams to ensure timely dispute resolution.
• Monitor and analyze transaction patterns using fraud detection and analytics tools.
• Support fraud prevention mechanisms such as tokenization, 3D Secure, and risk scoring systems.
• Assist fraud teams in responding to suspicious activities and alerts.
• Perform application maintenance, including configuration changes, patches, and updates.
• Ensure systems comply with PCI DSS, EMV, PSD2, and GDPR requirements.
• Support Windows-based environments and related services.
• Use monitoring tools such as Splunk, Dynatrace, or similar to track:
• Transaction success rates
• System health and performance
• Fraud trends
• Generate operational and incident reports for stakeholders.
• Maintain detailed documentation of incidents, fixes, configurations, and known issues.
• Work closely with development, QA, infrastructure, DevOps, and fraud teams to resolve issues and deploy fixes.
• Communicate effectively with external clients, merchants, and banking partners.
• Participate in production releases, post-incident reviews, and process improvement initiatives.
• Identify opportunities to reduce chargeback rates, improve fraud detection, and automate support processes.
• Contribute to continuous improvement of incident management and support workflows.
• Ensure ongoing adherence to security, regulatory, and compliance standards.

 

Required Skills & Qualifications:

• 6–8+ years of application support experience, with 5+ years in the payment industry.
• Strong experience in L2/L3 production support environments on Windows OS.
• Proficiency in troubleshooting applications built using Java, .NET, or Python.
• Strong SQL / Oracle skills for querying transaction, settlement, and dispute data.
• Hands-on experience with APIs and web services (REST/SOAP).
• Experience with middleware and messaging platforms such as Kafka or RabbitMQ.
• In-depth knowledge of payment protocols (ISO 8583, SWIFT) and EMV standards.
• Strong understanding of card processing workflows, including acquirer/issuer interactions and network operations.
• Expertise in credit/debit card processing, disputes, chargebacks, and fraud management.
• Familiarity with PCI DSS, PSD2, GDPR, and other payment industry regulations.
• Experience working with fraud prevention tools and risk management systems.
• Experience with ITSM tools (ServiceNow, Jira).
• Proficiency with monitoring and logging tools (Splunk, Dynatrace).
• Exposure to cloud platforms (AWS, Azure, GCP).
• Experience with containerization (Docker, Kubernetes) is a plus.
• Scripting skills using Bash or PowerShell for automation.

 

 

Rohit Chauhan IT Recruiter E: rohit.c@noviainfotech.com www.noviainfotech.com A: 4421 Avenida Ln, McKinney, TX, 75070

 

 

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