Senior Splunk & Observability Engineer **

Senior Splunk & Observability EngineerCGI is seeking an experienced Senior Splunk & Observability Engineer to support enterprise scale observability platforms within a complex, AWS based production environment. This is a senior hands-on role combining advanced Splunk administration and engineering, AWS production support, observability, and automation. The engineer will manage and support Splunk Enterprise running on AWS, working across the full data lifecycle from source onboarding and ingestion through indexing, search, dashboards, alerts, retention, and recovery. Responsibilities include developing and optimizing SPL queries, troubleshooting ingestion and performance issues, improving platform stability, supporting upgrades and vulnerability remediation, and restoring or replaying data following service interruptions. The role will also work extensively with AWS, Amazon CloudWatch, Open Telemetry, and Python based automation to improve enterprise monitoring and resiliency. The engineer will build and maintain Open Telemetry agents and collectors, support observability integrations across technology stacks, and help automate platform operations and vulnerability remediation. Required qualifications to be successful in this role include: 5+ years of hands on Splunk Enterprise administration and engineering experience in large production environments. Strong understanding of the Splunk ecosystem, including data ingestion, forwarders, indexers, search heads, indexes, dashboards, alerts, and recovery. Advanced SPL query development and performance optimization skills. Hands on experience deploying, configuring, upgrading, troubleshooting, and supporting Splunk on AWS.Strong AWS production experience, particularly with Amazon EC2, Application Load Balancer, and Amazon CloudWatch. Experience building complex Splunk dashboards for production monitoring, resiliency, incident triage, and operational use cases. Strong understanding of Open Telemetry, including agents, collectors, logs, metrics, instrumentation, and Splunk integration. Experience building or maintaining Open Telemetry agent and collector packages. Working knowledge of Python for automation and operational tooling. Experience with GitLab, Terraform Enterprise, CI/CD, GitHub, and JSON. Strong production troubleshooting skills, including ingestion failures, data volume issues, platform outages, performance problems, and data recovery. Experience with platform upgrades, patching, vulnerability remediation, and controlled production changes. Ability to lead technical troubleshooting calls, communicate findings clearly, and coordinate effectively across cloud, application, security, database, and production support teams.