Enterprise Customer Success Manager

The role

You will own strategic relationships with large customers to ensure they realize value from the AI-native data security platform. You will act as a trusted advisor to security, compliance, and engineering leaders from onboarding through renewal and expansion.

What you will do

• Own the full enterprise customer journey from onboarding to expansion.
• Manage a portfolio of enterprise customers for adoption, retention, renewals, and expansion.
• Lead onboarding and early lifecycle success.
• Define and track customer success criteria and report on progress.
• Translate product usage into business value and ROI.
• Drive ongoing adoption and optimization.
• Lead executive check-ins and business reviews.
• Identify and execute expansion opportunities in partnership with Sales.
• Monitor customer health, manage risk, and coordinate escalations.
• Share customer feedback with Product and Engineering.

Required qualifications

• 5+ years of experience in Customer Success, Technical Account Management, or Consulting in enterprise B2B SaaS.
• Knowledge of endpoint deployments and AI.
• Proven success owning renewals and expansion in complex enterprise environments.
• Strong executive communication skills.
• Ability to explain technical concepts clearly.
• Organized, proactive, and comfortable operating in a fast-moving startup.
• Willingness to travel ~25% for customer meetings and onsite engagements.

Nice to have

• Experience with security, compliance, or technical platforms

About the company

Nightfall is the AI-native, unified data loss prevention and insider risk management platform that protects sensitive data across SaaS apps, GenAI tools, email, endpoint devices, and more. The company is backed by leading VC firms including Bain Capital Ventures, Venrock, WestBridge Capital, and Pear VC.