Summary
Overview
Work History
Education
Skills
Certification
Projects And Achievements
Timeline
Generic

Sivasubramanian P A

Chennai

Summary

Seasoned IT professional with 14 years of experience in Azure cloud architecture, infrastructure design, and cybersecurity. Expertise in developing Platform & Application Landing Zones, Azure DevOps, Infrastructure as Code (IaC), and Data Hub Architecture. Proficient in creating scalable, secure, and automated solutions for enterprise environments, prioritizing efficiency and compliance.

Overview

14
14
years of professional experience
1
1
Certification

Work History

Azure and DevOps Architect

Capgemini Technology Solution
09.2024 - Current
  • Collaborated with Microsoft to design Sovereign Platform Landing Zone and Application Landing Zone using IaC Terraform
  • Architected Application Landing Zone (ALZ) with Azure-native services
  • Designed Azure governance using Management Group hierarchy, subscription strategies, and RBAC policies
  • Implemented network design with Transit Hub, Connectivity Hub, and Management Hub within the Hub-and-Spoke architecture
  • Built modularized and reusable IaC modules for ALZ adoption
  • Applied or Enforced CAF policies in modules
  • Automated deployment pipelines using Terraform and Azure DevOps
  • Designed ALZ Application Migration Plan with relevant Azure Services
  • Developed Azure Kubernetes Service (AKS) ingress and egress design using managed NGINX internal load balancer with multiple scale nodes cluster over an overlay network
  • Ensured compliance with security best practices, enabling reliable and robust infrastructure operations

Azure Architect & SME – Design and implementation

Capgemini Technology Solution
06.2022 - 09.2024
  • Designed, documented, tested, and implemented Dev, QA, and Production secured and isolated data hub infrastructure in Azure
  • Implemented secured network infrastructure with Firewalls, NSG, WAF, and Application Gateway
  • Delivered PaaS services including Storage Account (blob, sftp), Azure SQL databases
  • Integrated Microsoft Viva and SharePoint with Azure IaaS
  • Delivered OAuth Authentication and Azure AD SAML SSO integration
  • Developed and maintained Terraform modules for Infrastructure as Code (IaC)
  • Implemented monitoring and alerting using Azure Monitor and Log Analytics
  • Developed backup and disaster recovery strategies for business-critical applications
  • Delivered seamless Azure AKS cluster upgrades, ensuring zero downtime
  • Automated infrastructure provisioning through DevOps pipelines, reducing deployment time by 40%

Cloud Specialist and SQL Server Database Lead

Tata Consultancy Services
09.2015 - 06.2022
  • Led a team managing 24x7 support for 10,000+ databases and around 1000 SQL Production and Non-Production instances (SQL 2005 – 2019)
  • Administered cloud and on-premises infrastructure for a $130 billion company operating in 66 countries
  • Designed and implemented cloud infrastructure including networking, storage accounts, VMs, Load balancers, HA, DR, and auto-scaling setup
  • Executed large-scale SQL Server migrations with minimal downtime
  • Performed disaster recovery planning and testing
  • Automated database maintenance tasks using PowerShell scripts
  • Provided consultation and root cause analysis (RCA) for major incidents
  • Optimized database performance through query tuning and index maintenance

Wintel, WebApp and DB Administrator

Cognizant Technology Solutions
06.2011 - 08.2015
  • Installed, configured, maintained, and administered SQL Server 2005 to 2016 Database Environment
  • Performed performance tuning and optimization using DMV’s, Activity Monitors, SQL Profilers, and Performance tools
  • Ensured High Availability through Mirroring, AlwaysOn, and SQL Failover Cluster
  • Implemented Disaster Recovery (Log Shipping) and Replication
  • Delivered Active Directory administration and Windows Failover clustering
  • Troubleshot IIS versions 6.0 to 8.5
  • Built and managed VMs and VM snapshots
  • Implemented patch management and OS-level security hardening
  • Provided technical support and troubleshooting for large-scale enterprise systems

Education

Bachelor of Technology (B.Tech) -

SRM University
12.2015

Diploma in ECE -

Sri Sai Ram Polytechnic College
04.2011

Skills

  • Solution Design & Architecture : Solutioning Azure Sovereign Landing Zones, Application Landing Zone, Azure Data Architecture, designing highly available and scalable solutions with Azure PaaS, AKS, and hybrid cloud models, implementing cost-optimized, secure, and compliant architectures
  • Infrastructure Services: Virtual Machines (VMs), VNet, Routing, Azure Storage (Blob, File, Disk), Azure Backup & Site Recovery, Application Gateway, Traffic Manager, Load Balancer, Azure Kubernetes Service (AKS), Azure Bastion, VPN Gateway, ExpressRoute, DNS Zones, Azure AD Connect
  • Cloud Platforms: Azure PaaS, Azure AKS, Azure SQL, Azure Data Factory, Snowflake, Power Automate, Azure Redis Cache, Azure Communication Services (ACS) with SMTP, WebApp, Azure Function
  • Automation & DevOps: Terraform, CI/CD pipelines, Infrastructure as Code (IaC), Power Automate
  • Security & Compliance: WAF, RBAC, MFA, Conditional Policy, Managed Identities, Azure SSO, OAuth Authentication, Private Link, NGINX Load Balancer, AppGateway, NAT Gateway, NSG, ASG, Azure Firewall, AKS ingress & egress control
  • Data & Analytics: SQL Databases, Data Warehouse (Snowflake, Synapse), Data Engineering (Azure Data Factory), Azure Data Lake Storage Account
  • Agile Process: SAFe Agile, Scrum, Kanban, Continuous Integration & Continuous Deployment (CI/CD)
  • Other Infra Services: VMware vSphere, Hyper-V, Active Directory Domain Service, DNS, DHCP, Windows Server, Linux Servers, MS SQL Servers, IIS Web Server, Firewalls, Load Balancers

Certification

  • Microsoft Certified: Azure Solutions Architect Expert (Needs Renewal)
  • Microsoft Certified: DevOps Engineer Expert
  • 1Z0-1072 Oracle Cloud Infrastructure 2019 Architect Associate
  • AZ 104 - Azure Administrator Associate
  • 462 – Administering Microsoft SQL Server 2012/2014 Databases

Projects And Achievements

  • Automated Azure infrastructure deployments, reducing provisioning time.
  • Delivered a data hub architecture solution, streamlining data ingestion and analytics workflows.
  • Conducted knowledge-sharing sessions on Azure Solution Design & Azure DevOps best practices.
  • Successfully led the Azure migration project, reducing infrastructure costs by 20%.
  • Improved system resilience through proactive monitoring and incident management.

Timeline

Azure and DevOps Architect

Capgemini Technology Solution
09.2024 - Current

Azure Architect & SME – Design and implementation

Capgemini Technology Solution
06.2022 - 09.2024

Cloud Specialist and SQL Server Database Lead

Tata Consultancy Services
09.2015 - 06.2022

Wintel, WebApp and DB Administrator

Cognizant Technology Solutions
06.2011 - 08.2015

Diploma in ECE -

Sri Sai Ram Polytechnic College

Bachelor of Technology (B.Tech) -

SRM University

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Sivasubramanian P A