Application Support Engineer

Job Summary / About the Role:

Client is hiring a Tier 2 Application Support Engineer to manage complex escalations and drive technical stability across enterprise integration, messaging, and event-driven platforms. This role combines deep troubleshooting, root cause analysis, compliance execution, and onboarding/project support across production and non-production landscapes in on-prem and Azure environments.

Key Responsibilities

• • Provide Tier 2 support for escalations from Tier 1 across incidents, alerts, environment issues, and C2W events.
• • Resolve complex issues and lead root cause analysis, trend investigation, and improvement ticket creation.
• • Support iTrack work requests, consulting tickets, and platform-aligned project deliverables.
• • Provide additional C2W support when engaged by Tier 1.
• • Execute compliance-related support tasks including CCRC, AT&T Cybersecurity Scorecard, and SOX support activities.
• • Manage SSL certificate lifecycle support and remediation execution.
• • Execute Golden Image and on-prem OS updates for existing VMs.
• • Perform application installations and upgrades (outside monitoring/alerting platform scope handled by SRE).
• • Support production/non-production setup and operations in Azure and on-prem environments.
• • Support new client onboarding and implementation projects for enterprise integration and messaging services.
• • Partner with architects and developers to analyze requirements and recommend technical options.
• • Gather and publish monthly application and operational metrics.
• • Manage ITAP data requirements and ensure operational governance.
• • Review and validate Tier 1 SOPs; create and maintain Tier 2/client SOPs.
• • Raise Tier 3 tickets for platform/tooling enhancements and monitoring-gap remediation

Required Qualifications / Must-Have Skills

• • 4+ years of experience in application production support, integration support, or platform support.
• • Strong troubleshooting skills across distributed enterprise applications.
• • Working knowledge of the mandated streaming stack, with operational support experience in Confluent Kafka and Azure Event Hub: Confluent Kafka, Confluent Cloud, Azure Event Hub, AWS-MSK, and Apache Flink.
• • Practical knowledge of IBM Sterling Integrator.
• • Hands-on operational experience with Kubernetes, especially Azure Kubernetes Service (AKS), in incident response and platform support.
• • Working experience with Splunk and Prometheus/Grafana for diagnostics and observability.
• • Python scripting capability for support automation, operational checks, and repetitive task reduction.
• • Familiarity with Java, React, and Spring Boot based applications for troubleshooting and production issue triage (not an application development role).
• • Solid SQL/Postgres query skills for production support analysis.
• • Experience supporting CI/CD release operations.
• • Strong stakeholder communication and incident coordination skills.