Application Support Engineer
AT&T Inc, C/o Radancy · Bengaluru · onsite · Posted 21d ago
About a minute. You'll make an account on the way through.
About this role
Job Summary / About the Role
AT&T 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.
Good-to-Have / Nice-to-Have
- Azure/Kubernetes/ITSM certifications
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