Founding Customer Success Engineer | Cybersecurity Start-Up | London

Founding Customer Success Engineer | Cybersecurity Start Up | London

Founding Customer Success Engineer required for a high-growth cybersecurity start-up with an established and expanding enterprise customer base.

The product has traction. Customers are live. Revenue is growing.

The next phase requires a technically strong post‑sales leader to formalise and scale customer success, ensuring onboarding excellence, deep technical adoption, and long‑term expansion across cloud security environments.

This is a foundational hire at an inflection point: established product‑market fit, real customers, and meaningful upside.

Who You Are

• Deeply technical Customer Success Engineer who enjoys complex environments and learning new technologies
• Experienced within cybersecurity or cloud‑enabled developer tooling
• Background in software or systems engineering, now excelling in customer‑facing technical work
• Experienced building structure from scratch
• Strong in post‑sales execution
• Deep cloud security expertise
• Thrive in ambiguity – decisive, adaptable, and quick to iterate based on customer feedback

Why Join

• Established enterprise customer base
• Strong growth trajectory and product traction
• Foundational, high‑visibility hire
• Direct influence on product and go‑to‑market strategy
• Equity and meaningful ownership
• Opportunity to architect the Customer Success function at scale

If you’re a technical CSE ready to build and scale a function within a growing cybersecurity company, let’s chat.

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