Kowsalya Velusamy

Senior Observability Engineer with 10 years of IT experience and 5+ years in enterprise application and infrastructure monitoring, event correlation, production support, and incident management. Hands-on experience with Splunk, Dynatrace, distributed tracing, telemetry analysis, ServiceNow integrations, alert management, and root cause analysis (RCA). Skilled at diagnosing service degradation, coordinating cross-functional incident response, restoring production services, and improving MTTD, MTTR, and monitoring quality through dashboards, automation, and runbooks.

Senior Observability Engineer at Argyll Infotech (2025-09 – Present)

• Monitor enterprise applications, AWS infrastructure, and Kubernetes workloads using Dynatrace, Splunk, Datadog, and AppDynamics; assess service health, response time, failure rates, and application dependencies.
• Work with application, infrastructure, database, and DevOps teams to gather monitoring requirements and configure service dashboards, alerts, thresholds, and operational reports.
• Investigate production alerts and service disruptions using Dynatrace metrics and distributed traces, correlated with Splunk logs and search results to pinpoint error sources and performance bottlenecks.
• Support AppDynamics transaction performance and dependency investigations alongside Dynatrace APM to identify slow services and application issues.
• Use Quantum Metric session replay and digital experience analytics to investigate browser user journeys and correlate reported issues with APM telemetry.
• Deploy and troubleshoot Dynatrace OneAgent, ActiveGate, and Operator; verify instrumentation, ingestion, entity tagging, and agent health across cloud and Kubernetes services.
• Support real-user monitoring and synthetic health checks to detect availability and end-user experience issues; review alerts to identify missed or noisy monitoring conditions.
• Automate monitoring administration and onboarding with Python, REST APIs, Terraform, GitLab CI, and Jenkins; maintain operational procedures and troubleshooting runbooks.
• Use Davis AI event correlation, alert threshold reviews, and evaluation windows to reduce duplicate alert noise; integrate actionable problems with ServiceNow and PagerDuty incident workflows.
• Support P1 production incident triage, escalation, RCA, and post-restoration validation with application and database teams; document symptoms, investigation findings, and preventive actions.

Observability Engineer at Costco IT (2022-08 – 2025-09)

• Supported production monitoring across Azure, GCP, hybrid cloud, and Kubernetes microservices using Dynatrace, Splunk, Azure Monitor, Prometheus, Grafana, and OpenTelemetry.
• Configured OpenTelemetry Collector receivers, processors, and exporters to route logs, metrics, and traces into Prometheus/Mimir, Loki, Tempo, and Grafana monitoring stacks.
• Built Grafana service-health dashboards and alerts for latency, request throughput, HTTP errors, saturation, infrastructure utilization, and Kubernetes workload availability.
• Investigated incidents through trace IDs, Splunk log searches, metrics, and dependency mapping; helped isolate database delays, service errors, and infrastructure bottlenecks to support faster restoration.
• Configured Dynatrace OneAgent, ActiveGate, DQL queries, dashboards, alerts, and management zones; troubleshot missing instrumentation and telemetry ingestion issues.
• Integrated monitoring events with ServiceNow incident processes; supported Splunk agent configuration, log onboarding, search, and operational troubleshooting.
• Automated recurring analysis using Python, SQL, and scripts; supported Kafka and Azure Event Hubs event streaming and maintained incident troubleshooting documentation.

Senior Consultant at Infosys Limited (2016-04 – 2018-12)

• Designed digital analytics and web/mobile instrumentation across 20+ client websites; analyzed user journeys, data quality, and application behavior to improve monitoring and reporting.
• Automated performance reporting, reducing manual effort by approximately 30%; investigated data discrepancies using SQL and collaborated with engineering teams on resolution.

Software Engineer at Infosys Limited (2013-04 – 2016-03)

• Developed and supported 10+ enterprise healthcare websites using Adobe Experience Manager (AEM), including testing, deployment, application troubleshooting, and production support.
• Worked with business and engineering stakeholders on requirements, releases, documentation, and operational issue resolution.

Bachelor of Engineering in Electronics & Communication Engineering – Anna University, Chennai, India (2012)