Enterprise Customer Success Manager

• As an Enterprise Customer Success Manager at Nightfall AI, you will own strategic relationships with our largest customers and ensure they realize clear, measurable value from Nightfall’s AI-native data security platform
• You’ll act as a trusted advisor to security, compliance, and engineering leaders—guiding customers from onboarding through renewal and expansion
• Own the full enterprise customer journey, from onboarding and adoption through value realization, renewal, and expansion
• Manage a portfolio of enterprise customers with accountability for adoption, retention, renewals, and expansion
• Lead onboarding and early lifecycle success, ensuring strong deployment, stakeholder alignment, and early time-to-value
• Define and track customer success criteria (adoption milestones, risk reduction, operational outcomes) and regularly report on progress
• Translate product usage and outcomes into clear business value and ROI for both technical and executive stakeholders
• Drive ongoing adoption and optimization, introducing new use cases, data sources, and workflows over time
• Lead executive check-ins and business reviews focused on outcomes, value, and roadmap alignment
• Identify and execute expansion opportunities in partnership with Sales
• Proactively monitor customer health, manage risk, and coordinate escalations when needed
• Share actionable customer feedback with Product and Engineering to influence roadmap and improvements
• Leverage AI and automation to improve efficiency and insight across customer success workflows
• Work on cutting-edge, AI-native data security technology
• Partner with sophisticated enterprise customers solving real problems
• High-ownership role with real influence on how Customer Success operates and scales

Benefits

• Competitive pay, equity, and 401k plan
• Regular, thoughtful compensation reviews
• Support for professional development
• Flexible time off
• Company wide holidays
• Flexible commuter options
• Generous parental leave policy
• Comprehensive health, vision, dental benefits
• Reimbursement for home office, fitness, and mental wellness expenses

• This role is ideal for someone who thrives in complex enterprise environments, can translate technical capabilities into business outcomes, and wants to help define how Customer Success scales at a high-growth security company
• 5+ years of experience in Customer Success, Technical Account Management, or Consulting in enterprise B2B SaaS
• Organized, proactive, and comfortable operating in a fast-moving startup
• Willingness to travel ~25% for customer meetings and onsite engagements
• Proven success owning renewals and expansion in complex enterprise environments
• Experience with security, compliance, or technical platforms strongly preferred
• Strong executive communication skills and ability to explain technical concepts clearly