Senthilkumar Rengasamy

Experience

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  Atos Syntel

  May 2007 - May 2024

  Senior Site Reliability Engineer

  Work with multiple DevOps teams, Service Operations, and partners in Agile sprints to review the deployment and delivery tasks – especially with microservices applications migration to OpenShift PaaS and Istio Service Mesh.Ensure Enterprise and vendor teams on all the on-premises infrastructure components are patched, security updates installed, software upgrades are in line with the industry practice. Developed and implemented automated monitoring solution that reduced system downtime by 30% and improved overall system availability by 25%Implemented self-healing mechanism to reduce 10% system downtime and enhance end user experience and optimize back-office processes.Built End to End Customer Journey monitoring dashboards and alerts through OpenTelemetry tools, which helped to improve incidents mean time to resolution and reduction in mean time to detection.Prepared comprehensive Disaster Recovery plan that reduced recovery time by 40% and data loss in the event of a system failure.Implemented Chaos Engineering principles to simulate real-world failure scenarios to validate system resilience.Led the adoption of Istio Service Mesh resulting in a more resilient, auto scalable and enforce security policies.Streamline deployment process and manage release on demand business features.Automated data collection on system performance metrics and reports that provided valuable insights for capacity planning and resource allocation, resulting in a 20% cost savings.Implemented automation scripts to automate routine tasks and reduce 30% manual efforts.Ensuring that KPI’s, SLA’s and requirements are met, maintained, and exceeded. Review the SLA, SLO, and SLI metrics with the vendor providers.Managing escalations, been responsible for communicating the impacts to business and higher management and Technology leaders. Regular Service reporting – both internal and third-party service review meetings and chairing Weekly, Monthly Operational Review meetings. Show less

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  Early Warning®

  Apr 2024 - now

  Senior Site Reliability Engineer