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Customer Success Manager at Plain | San Francisco

PlainSan Francisco office
Hybrid Full-time

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Experience Level

Experience

Qualifications

The ideal candidate will possess over 5 years of experience in customer success or a related post-sales role within an early-stage B2B SaaS company. A genuine passion for assisting customers in achieving success is essential.

About the job

Plain builds a platform for B2B enterprises to move beyond traditional reactive customer support. The team’s focus: help businesses form real, lasting relationships with their customers by making support more efficient and collaborative.

Companies like Cursor, Ashby, Vercel, and Granola use Plain to streamline interactions, coordinate across teams, and improve workflows with AI-driven features.

Plain is a small, focused team with offices in San Francisco and London, plus distributed members throughout Europe. This Customer Success Manager role is hybrid: expect to work from the San Francisco office three days each week. Workdays start early (around 7:30-8am) to sync with European colleagues. The office stocks coffee, tea, and plays morning music to kick off the day.

Role Overview

The Customer Success Manager leads onboarding and account management for Plain’s top customers. The aim: help clients see value quickly, stay engaged with the platform, and have a consistently strong experience throughout their partnership with Plain.

This hybrid position blends onboarding, account management, gathering product feedback, and working closely with sales, product, engineering, and support teams. Daily work happens inside the Plain platform itself, so feedback from your experience directly shapes product development.

What You Will Do

  • Lead onboarding for key clients: Work with sales to collect background, manage onboarding from start to finish, and help customers reach value quickly. Set the pace, clear roadblocks, and show each client how Plain connects to their goals from day one.
  • Manage and grow key accounts: Build relationships with major customers, monitor account health, handle renewals, and identify growth opportunities by staying close to their needs and plans.
  • Foster open communication: Set clear expectations with customers, especially when dealing with high-volume, fast-moving communications.

What We Look For

  • At least 5 years of experience in customer success or post-sales roles at a B2B SaaS company
  • Comfort working in a hybrid schedule with early start times in San Francisco
  • Strong interest in helping customers succeed and collaborating across teams

About Plain

Plain is at the forefront of transforming customer support for B2B businesses. Our commitment to innovation and excellence enables companies to foster meaningful relationships with their clients through our advanced platform.

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