Sr Specialist-Tier 2 Application Support Engineer (Confluent Kafka, Azure Event Hub & Azure Kub[...]

AT&T; Hyderabad; On-site; INR 1,800,000 - 3,200,000; Full time

Job summary

AT&T is seeking a mid to senior application production support professional for onsite roles in India, mainly Hyderabad. You will handle Tier 2 escalations, perform root cause analysis, and drive improvements across complex enterprise applications.

The role involves Azure/on-prem environments, security/compliance tasks, and collaboration with architects and developers. Ideal candidates have 7–10 years of experience, strong scripting in Python, SQL/Postgres proficiency, and hands-on Kubernetes

Qualifications

• 4+ years of experience in application production support, integration support, or platform support.
• Strong troubleshooting skills across distributed enterprise applications.
• Operational support experience in streaming stack: Confluent Kafka, Azure Event Hub, AWS-MSK, Apache Flink.
• Practical knowledge of IBM Sterling Integrator.
• Hands-on experience with Kubernetes (AKS) in incident response and platform support.
• Experience with Splunk and Prometheus/Grafana for diagnostics and observability.
• Python scripting for automation and checks.
• Familiarity with Java, React, and Spring Boot for troubleshooting.
• Solid SQL/Postgres query skills for production support analysis.
• Experience supporting CI/CD release operations.
• Strong stakeholder communication and incident coordination.

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 tasks including CCRC, Cybersecurity Scorecard, and SOX activities.
• Manage SSL certificate lifecycle support and remediation.
• Execute Golden Image and on-prem OS updates for existing VMs.
• Perform application installations and upgrades (outside monitoring/alerting scope by SRE).
• Support production/non-production setup and operations in Azure and on-prem environments.
• Support new client onboarding and enterprise integration projects.
• Partner with architects/developers to analyze requirements and propose options.
• Gather and publish monthly application and operational metrics.
• Manage ITAP data requirements and ensure governance.
• Review and validate Tier 1 SOPs; create Tier 2/client SOPs.
• Raise Tier 3 tickets for platform/tooling enhancements and monitoring-gap remediation.

Skills

Troubleshooting

Confluent Kafka

Azure Event Hub

AWS MSK

Apache Flink

IBM Sterling Integrator

Kubernetes (AKS)

Splunk

Prometheus / Grafana

Python scripting

Java

React

Spring Boot

SQL / PostgreSQL

CI/CD release operations

Stakeholder communication

Tools

Confluent Kafka

Azure Event Hub

AKS tooling

Job description

• 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.

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.