Senior Specialist App Prod Support

**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:** 40 **Time Type:** Regular **Location:** IND:AP:Hyderabad / Argus Bldg 4f & 5f, Sattva, Knowledge City- Adm: Argus Building, Sattva, Knowledge City, IND:KA:Bangalore / Intl Tech Park, Navigator Bldg, Whitefield Road: Whitefield Road:Intl Tech Park, Navigator Bldg 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.