Estuary unifies CDC, batch pipelines, and streaming into one platform. We work with modern data/platform teams needing reliable pipelines, predictable costs, and flexible deployment. Your Opportunity: As our first CSM, own post-sale relationships for data engineers, platform leads, and dependent teams. Hybrid role: relationship owner and technical problem-solver. Build the playbook for onboarding, health tracking, and expansion. What You'll Do: Build CS function from the ground up (onboarding, health monitoring, account management). Own post-sale journey from onboarding to renewal/expansion. Be primary point of contact, run substantive business reviews. Use AI tools to build dashboards and health-monitoring views. Track stakeholders and manage onboarding for role changes. Monitor health to get ahead of risk. Troubleshoot and resolve most technical issues; loop in Solutions Engineering as needed. Identify and drive expansion opportunities. Act as customer advocate to Product/Engineering. What You'll Bring: CS/TAM experience in SaaS/data infrastructure/dev tools. Builder’s instinct and self-direction. Comfort with APIs, databases, warehouses, ETL/ELT. Comfort using AI tools to build reporting/monitoring. Strong account management and communication. Proactive ownership. Nice to Have: Snowflake, Databricks, BigQuery, Kafka, Fivetran, Airbyte; early-stage experience; familiarity with CDC/streaming. Why Estuary: Build CS from the ground up reporting to CEO; collaborative team; early-stage autonomy; remote-first; quarterly offsites (Miami, Boulder, Austin); competitive salary, equity, and benefits.