Principal Cloud Architect & SRE Lead

Building
Resilient
Cloud at Scale

20+ years designing fault-tolerant, highly available architectures across AWS and Azure. Specialising in zero-trust security, SRE adoption, platform modernisation, and cost optimisation for global enterprises.

View Experience ↓ Flagship Projects The 'KIRAN' Bot
20+ Years Experience
3 Enterprise App Migrations
4 Data Centers Consolidations
200+ Apps DR-Covered
40% MTTR Reduction
30% Ops Overhead Cut
Profile Photo

Principal Cloud Architect

Core Competencies

Technical Expertise

☁️
Cloud Architecture
AWS, Azure, Hybrid Cloud, Multi-Account Landing Zones, Control Tower, Well-Architected Framework
🔁
SRE & Reliability
SLIs/SLOs, Error Budgets, Observability stacks, MTTR Reduction, self-healing systems
🏗️
Infrastructure as Code
Terraform, CloudFormation, Ansible — automated SDLC across multi-cloud environments
🛡️
Disaster Recovery
Azure Site Recovery, RTO/RPO Design, DR Runbooks, automated failover plans
⚡
High Availability
Multi-AZ, Auto Scaling Groups, ELB, Zero-Downtime Deployments, DNS-based failover
🔒
Security & Compliance
Zero-trust IAM, Checkmarx scanning, Policy Governance, Regulatory Compliance frameworks
🔄
CI/CD & Automation
Pipeline Design, Vulnerability Scanning, Deployment Automation, rollback strategies
💰
Cost Optimisation
Reserved Instances, Savings Plans, TCO Reduction, infrastructure footprint analysis
🔄
Tool Implementation
Automox, Tenable, PointFive
💰
DataCenter Consolidation
Migations, Foot Print reduction, DR

Professional Experience

Career History

Jan 2018 – Present Tata Consultancy Services (TCS)
Principal Cloud Architect & SRE Lead
  • Established SRE culture across mission-critical platforms — defined SLIs, SLOs, and error budgets enabling data-driven reliability governance.
  • Reduced operational overhead by 30% by automating SDLC workflows using Terraform and Ansible across multi-cloud environments.
  • Implemented proactive observability using Azure Monitor, CloudWatch, and OpenSearch, reducing MTTR by 40%.
  • Architected end-to-end migration of Order-to-Cash applications to AWS, covering 100+ application dependency maps.
  • Designed secure multi-account AWS landing zones using AWS Control Tower with centralised IAM, logging, and governance.
  • Led enterprise DR program covering 200+ business-critical applications using Azure Site Recovery (ASR).
  • Consolidated 4 enterprise datacenters into 2 centralised environments using VMware, EMC, Vblock, and HP BladeSystem.
Jan 2011 – Jan 2018 Infosys
Senior Cloud Infrastructure Engineer
  • Managed Azure infrastructure (compute, storage, networking) across hybrid environments ensuring SLA compliance.
  • Led hardware modernisation and SAN implementation, optimised backup windows and reduced storage footprint.
  • Supported global datacenter operations, migrations, and enterprise infrastructure transitions.
Jan 2009 – Jan 2011 HSBC
Storage & Backup Administrator
  • Managed enterprise storage and backup systems ensuring high availability and data protection across banking infrastructure.
Jan 2005 – Jan 2009 CSC (Computer Sciences Corporation)
Storage & Backup Administrator
  • Maintained enterprise backup and storage environments, supported recovery operations and system monitoring.

Flagship Architecture Projects

Key Deliverables

01 / AWS
Cloud Modernisation & Migration
Designed secure multi-account landing zones using AWS Control Tower with centralised governance and logging. Achieved zero data loss through Multi-AZ architecture and DNS sticky routing. Reduced infrastructure costs through Reserved Instances and Savings Plans optimisation.
AWS Control Tower Multi-AZ Direct Connect VPN IAM Well-Architected
02 / Azure
Enterprise Disaster Recovery Transformation
Led enterprise-wide DR program for 200+ critical applications using Azure Site Recovery with deep-tier recovery mapping. Designed automated recovery plans integrating Identity (AD / Azure AD Connect) and Backup. Achieved full regulatory compliance with clearly defined RTO/RPO for all workload tiers.
Azure Site Recovery Azure AD Connect RTO/RPO VNet Failover Automation
03 / SRE
SRE Platform Design for WNS
Architected highly available platform using Auto Scaling and Multi-AZ; achieved 99.9% availability SLA. Implemented SLI/SLO-driven monitoring with error budget governance. Built self-healing systems using Lambda and CloudWatch; reduced MTTR by 40%.
SLI/SLO Lambda CloudWatch OpenSearch Auto Scaling CI/CD

Certifications

Industry Credentials

🏅
AWS Solutions Architect — Associate
Amazon Web Services
🏅
MCSA Cloud Platform Microsoft Certified Solutions Associate
Microsoft Azure
🏅
ITIL Foundation
AXELOS

Education

Academic Background

2002 – 2005
Master of Computer Applications (MCA)
Andhra University
1999 – 2002
Bachelor of Computer Science (B.Sc)
Andhra University