L3 Application Support Engineer

Position Description:

Your future duties and responsibilities:

• . Provide technical support for applications supporting faster payments and SaaS based platforms. . Support high volume payment operations with an emphasis on accuracy, timeliness, and risk controls. . Investigate payment failures and exceptions, and coordinate remediation with internal and external partners. . Provide clear updates to business stakeholders on incident impact, status, and recovery actions. Incident, Problem & Risk Management . Act as the L3 escalation point for high severity production incidents. . Troubleshoot production issues for Java applications, including applications that integrate with MQ and Kafka. . Lead root cause analysis and document corrective and preventive actions. . Support incident bridges and deliver concise updates during major outages. . Identify recurring issues and recommend sustainable fixes and process improvements. Technical Support, Platform Support & Development . Work with vendors and internal IT infrastructure teams on technology currency upgrades. . Perform scheduled support activities, including disaster recovery testing, user attestations, and control remediation. . Partner with vendors, infrastructure teams, and business stakeholders to remediate audit findings and vulnerabilities in alignment with TD security controls and standards. . Support business and operations teams during UAT for vendor and TD internal production releases. . Coordinate digital certificate renewals across all environments. . Document data flows, process flows, network and infrastructure diagrams. . Analyze issues across Oracle databases to validate transactions and support incident resolution. Monitoring & Observability . Provide high quality application and user support to help ensure global IT systems remain available, reliable, and performant. . Use Dynatrace and Splunk for monitoring, log analysis, and incident investigation. . Review trends and alerts proactively to identify issues before they affect production. . Partner with engineering teams to strengthen monitoring, logging, and alerting capabilities. Collaboration & Continuous Improvement . Collaborate with development, infrastructure, database, network, security, and vendor teams to resolve complex issues. . Provide knowledge transfer and guidance to L1 and L2 support teams. . Maintain runbooks, procedures, and support documentation. . Participate in post incident reviews and continuous improvement initiatives.