Chockalingam Muthukumar

About Chockalingam Muthukumar

Azure DevOps Engineer with 4+ years of hands-on experience managing production CI/CD pipelines for Microsoft OneNote platform. Skilled in Azure DevOps, YAML pipelines, release orchestration, monitoring, and incident management. Proven track record of reducing deployment lead time, restoring production services under SLA, and improving platform reliability. Adept at Terraform, Docker, Azure Kubernetes services, Azure monitor, Log Analytics workspace, Kusto query language, Grafana, Prometheus and cloud-based deployments with strong troubleshooting and automation expertise.

Experience

1. Azure Devops Engineer Production Operations & Deployment

   Tata Consultancy Services

   Jan 2023 — Present

   Owned end-to-end deployment operations across multiple rings and data centers, including build validation, environment promotion, rollout, rollback, and post-deployment health checks.• Collaborated closely with Development, Test, and Product teams to validate builds, debug failures, and ensure smooth integration in lower environments before promoting to production.• Operated automated deployment workflows, including release pipelines, hotfix pipelines, and train cutting pipelines, ensuring reliable delivery with minimal manual intervention.• Monitor service health using Kusto, Grafana, and internal reliability dashboards, proactively identifying performance degradation, high CPU/memory alerts, QoS failures, traffic anomalies, and unhealthy nodes.• Troubleshoot live production incidents (P1/P2) using metrics, logs, traces, cluster health checks, and node-level diagnostics to pinpoint root causes and mitigate user impact.• Utilized a deep understanding of service topology across regions, rings, clusters, and pods, including dependencies between front-door, ARR, watchdog containers, back-end services, configs, and data centers.• Executed mitigations such as restarting unhealthy nodes, scaling machines, draining clusters, traffic rebalancing, and disabling failing data centers, ensuring service continuity and reliability.• Performed cluster-level investigations, including pod status, machine logs, crash loops, deployment logs, watchdog errors, xPing failures, and configuration mismatches across rings and regions.• Communicated production risks, incident details, and recovery status to engineering teams, PMs, and leadership, providing clear technical insights based on real-time telemetry and Kusto analytics.• Maintained strong understanding of distributed system behavior• Driven continuous operational improvements, refine SOPs, optimized health checks, and proactively identify recurring issues across deployments and data centers.

Education

• Shanmugha Arts, Science, Technology and Research Academy

  Bachelor of Technology, Mechanical Engineering

  2015 — 2019