Customer Success Manager: Activate, Grow & Deliver Value

LettrLabs; Los Angeles (CA); On-site; USD 100,000 - 120,000; Full time

Job summary

LettrLabs in Los Angeles, CA is seeking a Customer Success Manager to own the post-sale journey, onboarding, activation, and growth for a growing book of business in an in-office setting.

In a fast-moving startup, you will drive usage, expansion, and time-to-value, coordinating with sales and product teams, leveraging AI tools, and ensuring customers mail regularly and see real results.

Qualifications

• 5–8 years in Customer Success, Onboarding, or Account Management with full lifecycle ownership.
• Proven ability to drive activation, adoption, and expansion metrics.
• Strong cross-functional collaboration and problem-solving skills.
• Comfortable in a fast-paced startup environment.

Responsibilities

• Drive activation and usage by monitoring engagement and re-engaging at-risk accounts.
• Own onboarding milestones: integration/setup, automated campaigns, and first mailing.
• Identify blockers and remove friction to enable fast time-to-value.
• Partner with Sales to spot upsell/cross-sell opportunities based on usage.
• Maintain account health scores and escalate blockers to product or data teams.
• Communicate clearly across stakeholders and coordinate across teams.

Skills

Customer Success

Onboarding

Account Management

Data-driven

Tools

Zapier

Webhooks

HubSpot

Salesforce

Google Workspace

Shopify

Klaviyo

Confluence

Job description

LettrLabs in Los Angeles, CA is seeking a Customer Success Manager to own the post-sale journey, onboarding, activation, and growth for a growing book of business in an in-office setting.

In a fast-moving startup, you will drive usage, expansion, and time-to-value, coordinating with sales and product teams, leveraging AI tools, and ensuring customers mail regularly and see real results.