LangSmith, OpenTelemetry, Grafana, Prometheus, Datadog, CloudWatch, Azure Monitor, AI Reliability Engineering, LLMOps, MLOps, Incident Response, Release Readiness. We are seeking an Overwatch Observability and Evaluation Engineer to implement telemetry, tracing, dashboards, evaluation suites, service objectives, runbooks, and release-readiness evidence for high-priority AI agent releases.