Business Development Engineer; Web3 Security

Business Development Engineer (Web3 Security)

Vacant since : 03.09.2026 Number of jobs : 1 8050 Zürich (ZH) 100% Immediately Permanent

Chain Security is one of the leading blockchain cybersecurity companies globally. We help secure some of the most important protocols, applications, and infrastructure in Web
3. Our mission is to make the blockchain space safer and more trustworthy for users, companies, and institutions. We combine world‑class technical expertise with deep industry knowledge, and have helped shape security standards across the ecosystem. We work with leading DeFi protocols, foundations, infrastructure providers, token projects, and enterprises entering Web
3.

This is not a traditional sales role. You’ll be embedded in the most technically ambitious conversations in Web3: working directly with founders, CTOs, researchers, and institutional players shaping the next generation of blockchain systems. You’ll represent one of the most respected security brands in crypto globally, with the autonomy to identify opportunities, build trusted long‑term partnerships, and drive strategic engagements from first conversation to execution.

You’ll operate at the intersection of technical expertise, high‑stakes relationship building, and strategic deal making. Acting as a force multiplier between Chain Security’s world‑class researchers and the teams building the future of finance and crypto infrastructure. The ideal profile combines technical depth, commercial instinct, and intellectual curiosity. You should be comfortable discussing protocol architecture and attack surfaces with engineers, while also understanding incentives, stakeholder dynamics, and how strategic decisions get made.

If you want to stay close to cutting‑edge engineering while operating with the speed, autonomy, and influence of a business role, this is that position.

Expertise: deep and wide

• You enjoy solving complex problems as much as meeting people and building a network.
• You have an entrepreneurial mindset and operate with high ownership and autonomy.
• You are organized, proactive, and have a strong work ethic.

• You combine technical credibility with strong commercial instincts. You enjoy building relationships, managing deal processes, and winning deals.
• You communicate complex ideas clearly and adapt naturally to different audiences, from engineers to executives.
• You enjoy public‑facing work, both IRL and online, 1‑on‑1 or on stage.

• Technical Founder;
• or 2+ years in Web3/DeFi in a technical, research, product, protocol, or risk‑related role;
• or 2+ years experience in cybersecurity (with strong involvement or interest in Web3/DeFi);
• or 2+ years in finance or institutional markets (with strong involvement or interest in Web3/DeFi);
• or other relevant technical/financial experience.

• Fluent English
• Strong preference for candidates based in Zurich (Switzerland) or willing to relocate
• Ability to manage an international travel schedule

• Build, maintain, and grow relationships with top technical founders and engineers across Web
  3.
• Lead technical‑commercial sales processes from first conversation to signed engagement, in close collaboration with our security engineers.
• Develop long‑term trusted relationships with clients and keep them closely connected to the broader Chain Security network and ecosystem.

• Work closely with our engineers and leadership to understand client needs and design tailored security solutions.
• Translate complex technical challenges into clear strategic recommendations for clients.
• Become a trusted security advisor to leading Web3 teams
• Help improve internal processes, positioning, and the way Chain Security operates by combining deep market awareness, technical understanding, and effective use of AI tools and automation.

• Represent us at conferences and private events across the world.
• Translate our engineers’ expertise, research, and achievements into narratives and content that resonate with the…