Job Description
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.
Founding Customer Success Engineer | Cybersecurity Start-Up | London
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