Tower Lead - Microsoft Azure - IaaS, Azure Kubernetes Service
India
Job Description
Tower Lead - Microsoft Azure - IaaS, Azure Kubernetes Service
Noida, Uttar Pradesh

Job Summary

Cloud SME

Key Responsibilities

Advanced Incident Management & Escalation (Tier 3)High-Severity Resolution: Act as the final internal escalation point for critical (Severity-1 and Severity-2) production incidents across the Azure platform [L3 Resource Overview].Deep Diagnostic Triage: Troubleshoot deeply complex platform anomalies using Kusto Query Language (KQL), Azure Monitor, Log Analytics, and Application Insights [L3 Resource Overview].Vendor Collaboration: Serve as the technical lead when collaborating with Microsoft Premier/Unified Support teams, ensuring swift resolution of platform-level bugs [Operational Skill Set & Prerequisites].2. Deep Platform Troubleshooting & RemediationKubernetes & Container Operations: Diagnose complex cluster issues within Azure Kubernetes Service (AKS), including container network interface (CNI) IP exhaustion, pod eviction loops, and core DNS failures [Platform & Core Services Mastery].Advanced Networking Resolution: Debug hybrid networking failures across ExpressRoute circuits, Azure Virtual WAN, VPN gateways, and complex Application Gateway / WAF configurations [Packet Analysis, Platform & Core Services Mastery].Database & PaaS Optimization: Investigate and remediate transaction deadlocks, connection pooling limits, and performance degradation in Azure SQL Managed Instance, Cosmos DB, and Azure Cache for Redis [Platform & Core Services Mastery].3. Proactive Engineering & Root Cause Analysis (RCA)Blameless RCAs: Conduct exhaustive post-incident investigations, authoring high-quality Root Cause Analysis (RCA) documents to ensure identical failures never reoccur [Root Cause Analysis (RCA) & Resilience].Infrastructure Patching: Implement emergency configuration patches by safely updating modular Infrastructure as Code (IaC) configurations using Terraform or Azure Bicep [Root Cause Analysis (RCA) & Resilience].Disaster Recovery Executions: Lead operational readiness testing and manage high-pressure, live database and VM failovers using Azure Site Recovery (ASR) during regional outages [Root Cause Analysis (RCA) & Resilience].

Skill Requirements

Core Platform Mastery: Deep, hands-on administrative command over Azure Virtual Machines, Virtual Machine Scale Sets (VMSS), Azure Storage Accounts, and Azure App Services [PaaS & Data Services, Modern App Hosting, Platform & Core Services Mastery].Advanced Networking Diagnostics: Proficient use of Azure Network Watcher, packet capture tools, Wireshark, and traffic analytics to trace distributed routing packet drops [Packet Analysis].Identity & Governance Triage: Experience diagnosing access failures, service principal expiration issues, and permission blocks within Microsoft Entra ID (Azure AD) and Azure Policy [Identity & Governance].Scripting & Automation: Strong ability to read, write, and execute troubleshooting scripts using PowerShell, Bash, or Python to automate emergency triage tasks [Automation].

Other Requirements

NA

Information at a Glance

Why HCLTech?

At HCLTech, you'll supercharge your potential. You'll find your career. And you'll find your spark. All at a place that knows that helping its customers stay on top starts by putting its people first.

HCLTech is a global technology company, home to more than 223,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud and AI, powered by a broad portfolio of technology services and products. We work with clients across all major verticals, providing industry solutions for Financial Services, Manufacturing, Life Sciences and Healthcare, Technology and Services, Telecom and Media, Retail and CPG, and Public Services. Consolidated revenues as of 12 months ending June 2026 totaled $14.8 billion.