About the job
Plain develops a platform that helps B2B enterprises move past reactive customer support. The team’s mission centers on building lasting business-customer relationships by making support more efficient and collaborative. Companies such as Cursor, Ashby, Vercel, and Granola rely on Plain to streamline interactions and improve workflows with AI-powered features.
This Customer Success Manager position is based in San Francisco and follows a hybrid schedule. Expect to work from the office three days a week, starting early (around 7:30-8am) to coordinate with European colleagues. The office atmosphere includes morning music and stocked coffee and tea to start the day.
Role overview
The Customer Success Manager leads onboarding and account management for Plain’s top customers. The goal is to help clients realize value quickly, remain engaged with the platform, and enjoy a consistently strong experience throughout their partnership with Plain. This role combines onboarding, account management, collecting product feedback, and close collaboration with sales, product, engineering, and support teams. Day-to-day work takes place inside the Plain platform, so your insights directly influence product development.
What you will do
- Lead onboarding for key clients: Coordinate with sales to gather background, manage onboarding from start to finish, and help customers achieve value quickly. Set the pace, clear obstacles, and demonstrate how Plain aligns with each client’s goals from the outset.
- Manage and grow key accounts: Build relationships with major customers, monitor account health, oversee renewals, and spot growth opportunities by staying close to their evolving needs.
- Foster open communication: Set clear expectations with customers, especially when handling high-volume, fast-moving communications.
Requirements
- At least 5 years of experience in customer success or post-sales roles at a B2B SaaS company
- Comfort with a hybrid schedule and early start times in San Francisco
- Strong interest in helping customers succeed and collaborating across teams

