Customer Engineer (Post-Sales) | Founding Opportunity | Cybersecurity Start-Up | London
Customer Engineer (Post-Sales) 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 engineer who can work directly with customers to solve complex infrastructure and security challenges, drive technical adoption, and help shape how the product evolves in real-world environments.
This is a foundational hire at an inflection point: established product-market fit, real customers, and meaningful upside.
What You’ll Do
* Work closely with enterprise customers across onboarding, deployment, integrations, and ongoing technical adoption
* Solve complex cloud infrastructure and cybersecurity challenges in production environments
* Act as the bridge between customers and the engineering team
* Build tooling, integrations, and scalable technical solutions to improve customer outcomes
* Influence product roadmap and prioritisation through direct customer feedback
* Help define and scale the company’s post-sales engineering function
Who You Are
* Strong software engineer with customer-facing instincts and exposure
* Experienced within cybersecurity, cloud infrastructure, DevOps, or developer tooling
* Comfortable working directly with technical stakeholders and engineering teams
* Able to troubleshoot deeply technical issues across modern cloud environments
* Strong communicator who can simplify complex concepts for customers
* Thrive in ambiguity: adaptable, proactive, and comfortable operating in early-stage environments
* Motivated by ownership, speed, and building from the ground up
Why Join
* Established enterprise customer base
* Strong product traction and growth trajectory
* Foundational, high-impact hire
* Direct exposure to customers, product strategy, and company growth
* Equity and meaningful ownership
* Opportunity to shape both the technical customer experience and the future of the platform
If you’re an engineer who enjoys solving customer problems, working closely with product and engineering teams, and building within a fast-moving cybersecurity company, let’s chat.
Customer Engineer (Post-Sales) | Founding Opportunity | Cybersecurity Start-Up | London