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"I find it incredibly rewarding to be out and see customers enjoying a product I spent my time perfecting."
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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.
Weekly Hours:
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AT&T and its subsidiaries are committed to equal employment opportunity. All hiring, promotion, and other employment decisions remain merit-based and free from discrimination on the basis of race, color, religion, religious creed, national origin, ancestry, age, sex, sexual orientation, gender, gender identity, gender expression, physical disability, mental disability, pregnancy, medical condition, genetic information, marital status, citizenship status, military status, veteran status, or any other characteristic protected by federal, state, or local laws. In addition, AT&T will provide reasonable accommodations to qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made. Click here to learn more or request an application accommodation here.
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