Splunk Observability Expert Accor
Led the complete migration from Dynatrace to Splunk Observability Cloud for 39 digital applications (web & mobile). Defined target observability architecture including APM, RUM, Synthetic Monitoring, and infrastructure metrics. Advanced OpenTelemetry instrumentation on AWS Lambda, ECS Fargate, Apache Tomcat, Java Spring, Node.js, and Python. Automated CI/CD deployment of Splunk OTel collector using GitLab, Ansible, Docker. Audited and rationalized metrics via LeanIX & ServiceNow. Designed dashboards and alerting for SLO/KPI on application performance, Java Runtime, Node.js Runtime, Kafka, and databases. Provided architectural support for RUM flows and user journey supervision. Collaborated with Tech Leads, Architects, and Product Managers for continuous improvement. Implemented Synthetic Monitoring tests and critical incident analysis.