Senior SRE & Technical Lead Tata Consultancy Services
Embedded with Vanguard in the USA as a senior SRE and technical lead, leading observability, incident management, reliability engineering, and production support for mission-critical financial platforms. Architected a unified observability platform using Dynatrace, AppDynamics, ELK Stack, Splunk, and AWS CloudWatch, reducing MTTD by approximately 35%. Led P1/P2 incident command, established SLOs and error budgets across 15+ services, and sustained 99.9%+ availability.
Built automated remediation and self-healing workflows from more than 20 runbooks, reducing manual toil by approximately 40%. Improved performance reliability through CI/CD performance gates, JMeter and BlazeMeter frameworks, JVM profiling, and capacity planning, reducing production performance incidents by approximately 45%. Designed multi-region AWS infrastructure, Docker and Kubernetes deployment patterns, Jenkins and GitHub CI/CD pipelines, and CloudFormation IaC. Grew and mentored a team of 12+ engineers, promoted four engineers into senior or lead roles, and led chaos-engineering GameDays using AWS FIS and Gremlin.