Sr Specialist App/Prod Support (Tier 2 Application Support Engineer)

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.

Experience Level

Mid to Senior (typically 7 to 10 years)

Location / Work Mode

Onsite (Hyderabad / Bangalore)

What We Offer

- High-ownership role across mission-critical applications and client-facing operations.

- Opportunity to influence reliability, compliance readiness, and service quality.

- Growth path into advanced reliability engineering and platform ownership roles.

Weekly Hours:

Time Type:

Location:

It is the policy of AT&T to provide equal employment opportunity (EEO) to all persons regardless of age, color, national origin, citizenship status, physical or mental disability, race, religion, creed, gender, sex, sexual orientation, gender identity and/or expression, genetic information, marital status, status with regard to public assistance, veteran status, or any other characteristic protected by federal, state or local law. In addition, AT&T will provide reasonable accommodations for qualified individuals with disabilities. AT&T is a fair chance employer and does not initiate a background check until an offer is made.