**Are you passionate about cybersecurity and customer success? Do you believe customers should be at the core of everything you do?** We are looking for a **Customer Success Engineer** to help organizations effectively prevent communication-based threats. In this role, you will guide our customers through their full lifecycle—from onboarding to long-term success—while taking ownership and working independently. If you enjoy solving complex problems, working closely with customers, and growing in a fast-paced environment, we’d love to hear from you. You will work at the intersection of **engineering, customer success, and sales**, helping customers maximize the value and security of our product. * Guide new customers through the full customer journey and enable them to maximize product value and security through technical demos, Proofs of Value (PoVs), email attack simulations, and onboarding. * Maintain a strong and mutually appreciated relationship with our customers and anticipate issues early on * Manage and drive satisfactory resolutions of customer issues * Interface with the customer as well as the product development team to identify customer needs and turn them into value-adding product features * Analyze problems in production to find and mitigate the root causes **You should apply if you** * Have a solid technical IT background (ideally a degree in Computer Science or similar) * Have **strong German and English skills** (spoken and written) * Bring **2+ years of relevant work experience**, ideally in a customer-facing role * Proficiency in Basic programming/scripting skills (e.g., Python, JavaScript, or Bash) * Experience with tools like Postman, Git, or similar debugging tools * Possess strong analytical and problem-solving skills * Are able to quickly learn and adapt to new technologies and environments * Enjoy working closely with customers and taking ownership * Are able to explain complex technical concepts to non-technical stakeholders **A big plus would be if you** * Understand how **email systems (SMTP)** work * Have knowledge of **email attack vectors and threat defense** * Have experience working with **Linux CLI** * Understand networking fundamentals (firewalls, VPN, SSH, HTTPS, proxies) **Bonus:** Docker, Grafana, Postfix, Go **What we offer you** * Employee shares to participate in our long-term success * A fair and transparent compensation system * High ownership and autonomy from day one * The opportunity to be part of an exciting startup journey * Hardware budget tailored to your needs * Hybrid work model (3 days/week in our Zurich office) and flexible hours * Regular team events, Tech Talks, and monthly All Hands lunches * 5 weeks of paid vacation